Minor cleanup and code formatting to help readability.

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@686584 13f79535-47bb-0310-9956-ffa450edef68

11 files changed, 612 insertions, 691 deletions

diff --git a/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/BPELFactory.java b/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/BPELFactory.java
index c47888de17..9f8f9c0e9a 100644
--- a/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/BPELFactory.java
+++ b/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/BPELFactory.java
@@ -35,6 +35,7 @@ public interface BPELFactory {
 
     /**
      * Creates a new BPEL Process Definition
+     * 
      * @return
      */
     BPELProcessDefinition createBPELProcessDefinition();
diff --git a/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/BPELImplementation.java b/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/BPELImplementation.java
index 53e160dd1c..5d90f7e18d 100644
--- a/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/BPELImplementation.java
+++ b/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/BPELImplementation.java
@@ -32,35 +32,43 @@ public interface BPELImplementation extends Implementation {
 
     /**
      * Get the BPEL process Name
+     * 
+     * @return
      */
     QName getProcess();
     
     /**
      * Set the BPEL process Name
+     * 
      * @param processName process QName
      */
     void setProcess(QName processName);
     
     /**
      * Get the BPEL process definition
+     * 
      * @return
      */
     BPELProcessDefinition getProcessDefinition();
     
     /**
      * Set the BPEL process definition
+     * 
      * @param processDefinition
      */
     void setProcessDefinition(BPELProcessDefinition processDefinition);
     
     /** 
-     * Returns the componentType for this Spring implementation 
+     * Returns the componentType for this implementation.
+     * 
+     *  @return
      */
     public ComponentType getComponentType(); 
 
     /**
-     * Sets the componentType for this Spring implementation
-     * @parma componentType the component type to set
+     * Sets the componentType for this implementation
+     * 
+     * @param componentType the component type to set
      */
     public void setComponentType(ComponentType componentType); 
 }
diff --git a/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/BPELProcessDefinition.java b/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/BPELProcessDefinition.java
index 61656e2533..3fde135357 100644
--- a/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/BPELProcessDefinition.java
+++ b/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/BPELProcessDefinition.java
@@ -19,25 +19,20 @@
 
 package org.apache.tuscany.sca.implementation.bpel;
 
-import java.util.List;
-import java.util.Collection;
-
 import java.net.URI;
 import java.net.URL;
+import java.util.List;
 
-import javax.xml.namespace.QName;
 import javax.wsdl.PortType;
-
-import org.apache.tuscany.sca.interfacedef.wsdl.WSDLInterface;
+import javax.xml.namespace.QName;
 
 import org.apache.tuscany.sca.assembly.Base;
-import org.apache.tuscany.sca.implementation.bpel.xml.BPELPartnerLinkElement;
 import org.apache.tuscany.sca.implementation.bpel.xml.BPELImportElement;
-
-
+import org.apache.tuscany.sca.implementation.bpel.xml.BPELPartnerLinkElement;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLInterface;
 
 /**
- * The BPEL process definition.
+ * The model representing a BPEL process definition.
  *
  * @version $Rev$ $Date$
  */
@@ -45,70 +40,70 @@ public interface BPELProcessDefinition extends Base {
 
     /**
      * Get the BPEL process Name
+     * 
+     * @return
      */
     QName getName();
 
     /**
      * Set the BPEL process Name
+     * 
      * @param processName process QName
      */
     void setName(QName name);
 
     /**
      * Get BPEL process URI
+     * 
      * @return URI for the process
      */
     URI getURI();
 
     /**
      * Set the BPEL process URI
+     * 
      * @param uri for the process
      */
     void setURI(URI uri);
 
     /**
      * Get the URL for the process location
+     * 
      * @return
      */
     URL getLocation();
 
     /**
      * Set the URL for the process location
+     * 
      * @param url
      */
     void setLocation(URL location);
     
     /**
      * Return the list of PartnerLinks for this process
+     * 
+     * @return
      */
     List<BPELPartnerLinkElement> getPartnerLinks();
     
     /**
      * Return the list of imports for this process
+     * 
+     * @return
      */
     List<BPELImportElement> getImports();
     
     /**
-     * Set the associated collection of port types
-     * @param thePortTypes
-     */
-    public void setPortTypes( Collection<PortType> thePortTypes ) ;
-    
-    /**
      * Return the collection of associated port types
+     * 
      * @return
      */
-    public Collection<PortType> getPortTypes() ;
-    
-    /**
-     * Set the associated collection of WSDL interfaces
-     * @param theInterfaces
-     */
-    public void setInterfaces( Collection<WSDLInterface> theInterfaces ) ;
+    public List<PortType> getPortTypes() ;
     
     /**
      * Return the collection of associated WSDL interfaces
      * @return
      */
-    public Collection<WSDLInterface> getInterfaces() ;
+    public List<WSDLInterface> getInterfaces() ;
 }
diff --git a/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/DefaultBPELFactory.java b/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/DefaultBPELFactory.java
index d574f6e422..f5d5d98062 100644
--- a/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/DefaultBPELFactory.java
+++ b/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/DefaultBPELFactory.java
@@ -19,11 +19,9 @@
 
 package org.apache.tuscany.sca.implementation.bpel;
 
-import org.apache.tuscany.sca.assembly.AssemblyFactory;
 import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;
 import org.apache.tuscany.sca.implementation.bpel.impl.BPELImplementationImpl;
 import org.apache.tuscany.sca.implementation.bpel.impl.BPELProcessDefinitionImpl;
-import org.apache.tuscany.sca.interfacedef.wsdl.WSDLFactory;
 
 /**
  * A default factory for the BPEL implementation model.
@@ -32,22 +30,15 @@ import org.apache.tuscany.sca.interfacedef.wsdl.WSDLFactory;
  */
 public class DefaultBPELFactory implements BPELFactory {
     
-    private AssemblyFactory assemblyFactory;
-    private WSDLFactory wsdlFactory;
-    
     public DefaultBPELFactory(ModelFactoryExtensionPoint modelFactories) {
-        this.assemblyFactory = modelFactories.getFactory(AssemblyFactory.class);
-        this.wsdlFactory  = modelFactories.getFactory(WSDLFactory.class);
     }
 
     public BPELImplementation createBPELImplementation() {
-        return new BPELImplementationImpl(assemblyFactory, wsdlFactory);
+        return new BPELImplementationImpl();
     }
 
     public BPELProcessDefinition createBPELProcessDefinition() {
         return new BPELProcessDefinitionImpl();
     }
-    
-    
 
 }
diff --git a/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELDocumentProcessor.java b/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELDocumentProcessor.java
index 0079272521..caf9e2371d 100644
--- a/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELDocumentProcessor.java
+++ b/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELDocumentProcessor.java
@@ -82,7 +82,6 @@ public class BPELDocumentProcessor extends BaseStAXArtifactProcessor implements
     private static final QName IMPORT_ELEMENT = new QName(BPEL_NS, "import");
     private static final String LINKTYPE_NAME = "partnerLinkType";
     private static final QName LINKTYPE_ELEMENT = new QName(BPEL_PLINK_NS, LINKTYPE_NAME);
-
     public final static String NAME_ELEMENT = "name";
     
     private final static XMLInputFactory inputFactory = XMLInputFactory.newInstance();
@@ -97,49 +96,6 @@ public class BPELDocumentProcessor extends BaseStAXArtifactProcessor implements
         this.monitor = monitor;
     }
     
-    /**
-     * Report a warning.
-     * 
-     * @param problems
-     * @param message
-     * @param model
-     */
-     private void warning(String message, Object model, Object... messageParameters) {
-         if (monitor != null) {
-             Problem problem = new ProblemImpl(this.getClass().getName(), "impl-bpel-validation-messages", Severity.WARNING, model, message, (Object[])messageParameters);
-             monitor.problem(problem);
-         }
-     }
-     
-     /**
-      * Report a error.
-      * 
-      * @param problems
-      * @param message
-      * @param model
-      */
-      private void error(String message, Object model, Object... messageParameters) {
-          if (monitor != null) {
-              Problem problem = new ProblemImpl(this.getClass().getName(), "impl-bpel-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters);
-              monitor.problem(problem);
-          }
-      }
-    
-    /**
-     * Report a exception.
-     * 
-     * @param problems
-     * @param message
-     * @param model
-     */
-     private void error(String message, Object model, Exception ex) {
-         if (monitor != null) {
-             Problem problem = new ProblemImpl(this.getClass().getName(), "impl-bpel-validation-messages", Severity.ERROR, model, message, ex);
-             monitor.problem(problem);
-         }        
-     }
-            
-    
     public String getArtifactType() {
         return "*.bpel";
     }    
@@ -151,28 +107,21 @@ public class BPELDocumentProcessor extends BaseStAXArtifactProcessor implements
     public BPELProcessDefinition read(URL contributionURL, URI artifactURI, URL artifactURL) throws ContributionReadException {
         BPELProcessDefinition processDefinition = null;
         try {
-            //for now we are just using process name
-            //and relying on componentType file for service definition
-            //so it's OK to set resolved for now
-            processDefinition = indexRead2(artifactURL);
+            // for now we are just using process name
+            // and relying on componentType file for service definition
+            // so it's OK to set resolved for now
+            processDefinition = readProcessDefinition(artifactURL);
             processDefinition.setURI(artifactURI);
             processDefinition.setUnresolved(false);
         } catch (Exception e) {
-        	ContributionReadException ce = new ContributionReadException(e);
-        	error("ContributionReadException", artifactURL, ce);
-            //throw ce;
+            ContributionReadException ce = new ContributionReadException(e);
+            error("ContributionReadException", artifactURL, ce);
         }
-        
+
         return processDefinition;
     }
 
-    /**
-     * Resolve the BPEL process
-     * - one of the things that needs doing is to pin down the WSDLs that are being used by
-     * the process, in particular the partnerLinkType and the related PortType definitions
-     */
-    public void resolve(BPELProcessDefinition model, ModelResolver resolver) 
-    	throws ContributionResolveException {
+    public void resolve(BPELProcessDefinition model, ModelResolver resolver) throws ContributionResolveException {
         // FIXME - serious resolving needs to happen here
     	
     	// Step 1 is to resolve the WSDL files referenced from this BPEL process
@@ -188,30 +137,29 @@ public class BPELDocumentProcessor extends BaseStAXArtifactProcessor implements
     	// callback interface.
     	
     	List<BPELImportElement> theImports = model.getImports();
-    	for ( BPELImportElement theImport : theImports ) {
-    		// Deal with WSDL imports
-    		if ( theImport.getImportType().equals("http://schemas.xmlsoap.org/wsdl/") ) {
-    			String WSDLLocation = theImport.getLocation();
-    			String WSDLNamespace = theImport.getNamespace();
-    			
-    			// Resolve the WSDL definition
+        for (BPELImportElement theImport : theImports) {
+
+            // Deal with WSDL imports
+            if (theImport.getImportType().equals("http://schemas.xmlsoap.org/wsdl/")) {
+                String WSDLLocation = theImport.getLocation();
+                String WSDLNamespace = theImport.getNamespace();
+
+                // Resolve the WSDL definition
                 WSDLDefinition proxy = WSDLfactory.createWSDLDefinition();
                 proxy.setUnresolved(true);
                 proxy.setNamespace(WSDLNamespace);
-                if ( WSDLLocation != null ) proxy.setLocation(URI.create(WSDLLocation));
+                if (WSDLLocation != null) {
+                    proxy.setLocation(URI.create(WSDLLocation));
+                }
                 WSDLDefinition resolved = resolver.resolveModel(WSDLDefinition.class, proxy);
                 if (resolved != null && !resolved.isUnresolved()) {
-                    theImport.setWSDLDefinition( resolved );
+                    theImport.setWSDLDefinition(resolved);
                 } else {
                     error("CannotResolveWSDLReference", resolver, WSDLLocation, WSDLNamespace);
-                    //throw new ContributionResolveException("BPELDocumentProcessor:resolve -" +
-                			//" unable to resolve WSDL referenced by BPEL import" +
-                			//"WSDL location: " + WSDLLocation + " WSDLNamespace: " +
-                			//WSDLNamespace );
                     return;
-                } // end if	
-    		} // end if
-    	} // end for
+                } // end if
+            } // end if
+        } // end for
     	
     	// Fetch the sets of partner links, port types and interfaces
     	List<BPELPartnerLinkTypeElement> thePLinkTypes = getPartnerLinkTypes( theImports );
@@ -219,157 +167,140 @@ public class BPELDocumentProcessor extends BaseStAXArtifactProcessor implements
     	Collection<PortType> thePortTypes = getAllPortTypes( theImports, theInterfaces, resolver );
     	
     	// Store the Port Types and the Interfaces for later calculation of the component type...
-    	model.setPortTypes(thePortTypes);
-    	model.setInterfaces(theInterfaces);
+    	model.getPortTypes().addAll(thePortTypes);
+    	model.getInterfaces().addAll(theInterfaces);
     	
     	// Now, for each partnerLink in the BPEL process, find the related partnerLinkType
     	// element 
-    	List<BPELPartnerLinkElement> thePartnerLinks = model.getPartnerLinks();
-    	for ( BPELPartnerLinkElement thePartnerLink : thePartnerLinks ) {
-    		QName partnerLinkType = thePartnerLink.getPartnerLinkType();
-    		BPELPartnerLinkTypeElement pLinkType = 
-    			findPartnerLinkType( partnerLinkType, thePLinkTypes );
-    		if( pLinkType == null ) {
-    		    error("PartnerLinkNoMatchingType", thePartnerLink, thePartnerLink.getName());
-    		    //throw new ContributionResolveException( "PartnerLink " 
-    		        //+ thePartnerLink.getName() + " has no matching partner link type");
-    		} else    					
-    		    thePartnerLink.setPartnerLinkType(pLinkType);
-    	} // end for
+        List<BPELPartnerLinkElement> thePartnerLinks = model.getPartnerLinks();
+        for (BPELPartnerLinkElement thePartnerLink : thePartnerLinks) {
+            QName partnerLinkType = thePartnerLink.getPartnerLinkType();
+            BPELPartnerLinkTypeElement pLinkType = findPartnerLinkType(partnerLinkType, thePLinkTypes);
+            if (pLinkType == null) {
+                error("PartnerLinkNoMatchingType", thePartnerLink, thePartnerLink.getName());
+            } else
+                thePartnerLink.setPartnerLinkType(pLinkType);
+        } // end for
     	
     } // end resolve
     
-    /*
+    /**
      * Retrieve all the Partner Link types defined in the imported WSDL files
+     * 
+     * @param theImports
      */
-    private List<BPELPartnerLinkTypeElement> getPartnerLinkTypes( List<BPELImportElement> theImports )
-    	throws ContributionResolveException {
+    private List<BPELPartnerLinkTypeElement> getPartnerLinkTypes( List<BPELImportElement> theImports) throws ContributionResolveException {
     	
-    	List<BPELPartnerLinkTypeElement> thePLinks = 
-    		new ArrayList<BPELPartnerLinkTypeElement>();
-    		
-    	// We must find the partner link type elements from amongst the imported WSDLs
-    	for ( BPELImportElement theImport : theImports ){
-    		WSDLDefinition theWSDL = theImport.getWSDLDefinition();
-    		Definition WSDLDefinition = theWSDL.getDefinition();
-    		// The BPEL partnerLinkType elements are extension elements within the WSDL
-    		List<ExtensibilityElement> extensibilityElements = WSDLDefinition.getExtensibilityElements();
-    		
-    		for ( ExtensibilityElement theElement : extensibilityElements ) {
-    			QName elementType = theElement.getElementType();
-    			if ( elementType.equals( LINKTYPE_ELEMENT ) ) {
-    				BPELPartnerLinkTypeExt pLinkExt = (BPELPartnerLinkTypeExt)theElement;
-    				// Fetch the name of the partnerLinkType
-    				String name = pLinkExt.getName();
-    				QName qName = new QName( WSDLDefinition.getTargetNamespace(), name );
-    				BPELPartnerLinkTypeElement pLinkElement = new BPELPartnerLinkTypeElement( qName );
-    				
-    				// The partnerLinkType must have one and may have 2 role child elements
-    				int count = 0;
-    				for( int i = 0; i < 2; i++ ) {
-    					if(pLinkExt.getRoleName(i) == null ) continue;
-    					PortType pType = WSDLDefinition.getPortType(pLinkExt.getRolePortType(i));
-    					if ( count == 0 ) {
-    						pLinkElement.setRole1(pLinkExt.getRoleName(i),
-    								              pLinkExt.getRolePortType(i),
-    								              pType );
-    						count++;
-    					} else if (count == 1) {
-    						pLinkElement.setRole2(pLinkExt.getRoleName(i),
-						                          pLinkExt.getRolePortType(i),
-						                          pType );
-    						count++;
-    					} else {
-    						break;
-    					} // end if 
-    				} // end for
-    				if( count == 0 ) {
-    				    error("PartnerLinkTypeNoRoles", theElement, pLinkElement.getName());
-    				    throw new ContributionResolveException( "partnerLinkType " +
-    				        pLinkElement.getName() +" has no Roles defined" );
-    				} else    						                         
-    				    thePLinks.add( pLinkElement );
-    			} // end if
-    			
-    		} // end for
-    	} // end for
-    	return thePLinks;
+    	List<BPELPartnerLinkTypeElement> thePLinks = new ArrayList<BPELPartnerLinkTypeElement>();
+
+        // We must find the partner link type elements from amongst the imported
+        // WSDLs
+        for (BPELImportElement theImport : theImports) {
+            WSDLDefinition theWSDL = theImport.getWSDLDefinition();
+            Definition WSDLDefinition = theWSDL.getDefinition();
+
+            // The BPEL partnerLinkType elements are extension elements within
+            // the WSDL
+            List<ExtensibilityElement> extensibilityElements = WSDLDefinition.getExtensibilityElements();
+
+            for (ExtensibilityElement theElement : extensibilityElements) {
+                QName elementType = theElement.getElementType();
+                if (elementType.equals(LINKTYPE_ELEMENT)) {
+                    BPELPartnerLinkTypeExt pLinkExt = (BPELPartnerLinkTypeExt)theElement;
+                    // Fetch the name of the partnerLinkType
+                    String name = pLinkExt.getName();
+                    QName qName = new QName(WSDLDefinition.getTargetNamespace(), name);
+                    BPELPartnerLinkTypeElement pLinkElement = new BPELPartnerLinkTypeElement(qName);
+
+                    // The partnerLinkType must have one and may have 2 role
+                    // child elements
+                    int count = 0;
+                    for (int i = 0; i < 2; i++) {
+                        if (pLinkExt.getRoleName(i) == null)
+                            continue;
+                        PortType pType = WSDLDefinition.getPortType(pLinkExt.getRolePortType(i));
+                        if (count == 0) {
+                            pLinkElement.setRole1(pLinkExt.getRoleName(i), pLinkExt.getRolePortType(i), pType);
+                            count++;
+                        } else if (count == 1) {
+                            pLinkElement.setRole2(pLinkExt.getRoleName(i), pLinkExt.getRolePortType(i), pType);
+                            count++;
+                        } else {
+                            break;
+                        } // end if
+                    } // end for
+
+                    if (count == 0) {
+                        error("PartnerLinkTypeNoRoles", theElement, pLinkElement.getName());
+                        throw new ContributionResolveException("partnerLinkType " + pLinkElement.getName() + " has no Roles defined");
+                    } else
+                        thePLinks.add(pLinkElement);
+                } // end if
+
+            } // end for
+        } // end for
+        return thePLinks;
     } // end getPartnerLinkTypes
-    
-    protected Collection<PortType> getAllPortTypes( List<BPELImportElement> theImports,
-    												Collection<WSDLInterface> theInterfaces,
-    												ModelResolver resolver) 
-    				throws ContributionResolveException {
-    	
-    	Collection<PortType> thePortTypes = (Collection<PortType>)new ArrayList<PortType>();
-    	for ( BPELImportElement theImport : theImports ){
-    		WSDLDefinition theWSDL = theImport.getWSDLDefinition();
-    		Definition wsdlDefinition = theWSDL.getDefinition();
-    		
-    		Collection<PortType> portTypes = (Collection<PortType>)wsdlDefinition.getPortTypes().values();
-    		thePortTypes.addAll( portTypes );
-    		
-    		// Create WSDLInterface elements for each PortType found
-    		for( PortType portType : portTypes ) {
-    			WSDLObject<PortType> wsdlPortType = theWSDL.getWSDLObject(PortType.class, portType.getQName() );
-    			WSDLInterface wsdlInterface;
-                if (wsdlPortType != null) {      
+
+    /**
+     * Returns all the portTypes referenced by the process.
+     * 
+     * @param theImports
+     * @param theInterfaces
+     * @param resolver
+     * @return
+     * @throws ContributionResolveException
+     */
+    private Collection<PortType> getAllPortTypes(List<BPELImportElement> theImports,
+                                                 Collection<WSDLInterface> theInterfaces, ModelResolver resolver) throws ContributionResolveException {
+
+        Collection<PortType> thePortTypes = (Collection<PortType>)new ArrayList<PortType>();
+        for (BPELImportElement theImport : theImports) {
+            WSDLDefinition theWSDL = theImport.getWSDLDefinition();
+            Definition wsdlDefinition = theWSDL.getDefinition();
+
+            Collection<PortType> portTypes = (Collection<PortType>)wsdlDefinition.getPortTypes().values();
+            thePortTypes.addAll(portTypes);
+
+            // Create WSDLInterface elements for each PortType found
+            for (PortType portType : portTypes) {
+                WSDLObject<PortType> wsdlPortType = theWSDL.getWSDLObject(PortType.class, portType.getQName());
+                WSDLInterface wsdlInterface;
+                if (wsdlPortType != null) {
                     // Introspect the WSDL portType and add the resulting
                     // WSDLInterface to the resolver
                     try {
-                        theWSDL.setDefinition( wsdlPortType.getDefinition() );
-                        wsdlInterface = WSDLfactory.createWSDLInterface(wsdlPortType.getElement(), 
-                        		theWSDL, resolver);
+                        theWSDL.setDefinition(wsdlPortType.getDefinition());
+                        wsdlInterface = WSDLfactory.createWSDLInterface(wsdlPortType.getElement(), theWSDL, resolver);
                         wsdlInterface.setWsdlDefinition(theWSDL);
                     } catch (InvalidInterfaceException e) {
-                    	ContributionResolveException ce = new ContributionResolveException(e);
-                    	error("ContributionResolveException", resolver, ce);
+                        ContributionResolveException ce = new ContributionResolveException(e);
+                        error("ContributionResolveException", resolver, ce);
                         throw ce;
                     } // end try
                     resolver.addModel(wsdlInterface);
                     theInterfaces.add(wsdlInterface);
                 } // end if
             } // end for
-      
-    		//-----------------------
-    		
-    	} // end for
-    	
-    	return thePortTypes;
+
+            // -----------------------
+
+        } // end for
+
+        return thePortTypes;
     } // end getAllPortTypes
     
     /**
-     * Returns a QName from a string.  
-     * @param definition - a WSDL Definition
-     * @param value - the String from which to form the QName in the form "pref:localName"
-     * @return
-     */
-    protected QName getQNameValue(Definition definition, String value) {
-        if (value != null && definition != null) {
-            int index = value.indexOf(':');
-            String prefix = index == -1 ? "" : value.substring(0, index);
-            String localName = index == -1 ? value : value.substring(index + 1);
-            String ns = definition.getNamespace(prefix);
-            if (ns == null) {
-                ns = "";
-            }
-            return new QName(ns, localName, prefix);
-        } else {
-            return null;
-        }
-    } // end getQNameValue
-
-    
-    /*
-     * Method which finds a partnerLinkType definition within the WSDLs imported by the BPEL
+     * Finds a partnerLinkType definition within the WSDLs imported by the BPEL
      * process.
+     * 
      * @param partnerLinkTypeName - the name of the partnerLinkType
      * @param theImports a list of the WSDL import declarations
-     * @returns a BPELPartnerLinkTypeElement for the partnerLinkType or null if it cannot be
+     * @return a BPELPartnerLinkTypeElement for the partnerLinkType or null if it cannot be
      * found
      */
-    private BPELPartnerLinkTypeElement findPartnerLinkType( QName partnerLinkTypeName,
-    										List<BPELPartnerLinkTypeElement> thePLinkTypes) {
+    private BPELPartnerLinkTypeElement findPartnerLinkType( QName partnerLinkTypeName, 
+                                                            List<BPELPartnerLinkTypeElement> thePLinkTypes) {
     	// We must find the partner link type element from amongst the imported WSDLs
     	for ( BPELPartnerLinkTypeElement thePLinkType : thePLinkTypes ){
     		if( thePLinkType.getName().equals(partnerLinkTypeName) ) return thePLinkType;
@@ -377,9 +308,15 @@ public class BPELDocumentProcessor extends BaseStAXArtifactProcessor implements
     	return null;
     } // end findPartnerLinkType
     
-    
 
-    protected BPELProcessDefinition indexRead2(URL doc) throws Exception {
+    /**
+     * Read a process definition.
+     * 
+     * @param doc
+     * @return
+     * @throws Exception
+     */
+    private BPELProcessDefinition readProcessDefinition(URL doc) throws Exception {
         BPELProcessDefinition processDefinition = factory.createBPELProcessDefinition();
         processDefinition.setUnresolved(true);
         processDefinition.setLocation(doc);
@@ -388,137 +325,194 @@ public class BPELDocumentProcessor extends BaseStAXArtifactProcessor implements
         XMLStreamReader reader = null;
         try {
             reader = inputFactory.createXMLStreamReader(is);
+
             /*
-             * The principle here is to look for partnerLink elements, which form either services
-             * or references.  A partnerLink can be EITHER - the algorithm for deciding is:
-             * 1) Explicit marking with sca:reference or sca:service attribute
-             * 2) "first use" of the partnerLink by specific BPEL activity elements:
-             * <onEvent../>, <receive../> or <pick../> elements imply a service
-             * <invoke../> implies a reference
+             * The principle here is to look for partnerLink elements, which
+             * form either services or references. A partnerLink can be EITHER -
+             * the algorithm for deciding is: 1) Explicit marking with
+             * sca:reference or sca:service attribute 2) "first use" of the
+             * partnerLink by specific BPEL activity elements: <onEvent../>,
+             * <receive../> or <pick../> elements imply a service <invoke../>
+             * implies a reference
              */
+
             // TODO - need to handle <scope../> elements as kind of "nested" processes
-            // - and scopes introduce the possibility of partnerLinks with the same name at
-            // different levels of scope.... (yuk!!)
+            // - and scopes introduce the possibility of partnerLinks with the
+            // same name at different levels of scope.... (yuk!!)
             boolean completed = false;
             while (!completed) {
                 switch (reader.next()) {
                     case START_ELEMENT:
                         QName qname = reader.getName();
-                        //System.out.println("BPEL TypeLoader - found element with name: " + qname.toString());
-                        if (BPEL_PROCESS_DEFINITION.equals(qname) || 
-                        	BPEL_EXECUTABLE_DEFINITION.equals(qname)) {
-                            QName processName = new QName(getString(reader, org.apache.tuscany.sca.assembly.xml.Constants.TARGET_NAMESPACE), 
-                            		                      getString(reader, NAME_ELEMENT));
+                        if (BPEL_PROCESS_DEFINITION.equals(qname) || BPEL_EXECUTABLE_DEFINITION.equals(qname)) {
+                            QName processName = new QName(getString(reader, org.apache.tuscany.sca.assembly.xml.Constants.TARGET_NAMESPACE), getString(reader, NAME_ELEMENT));
                             processDefinition.setName(processName);
-                		} else if (PARTNERLINK_ELEMENT.equals(qname)) { 
-                            processDefinition.getPartnerLinks().add(processPartnerLinkElement( reader ));
-                        } else if (ONEVENT_ELEMENT.equals(qname) || 
-                        		   RECEIVE_ELEMENT.equals(qname) ||
-                        		   ONMESSAGE_ELEMENT.equals(qname) ) {
-                        	processPartnerLinkAsService( reader.getAttributeValue(null, "partnerLink"), processDefinition.getPartnerLinks() );
-                        } else if (INVOKE_ELEMENT.equals(qname)) { 
-                        	processPartnerLinkAsReference( reader.getAttributeValue(null, "partnerLink"), processDefinition.getPartnerLinks() );
+                        } else if (PARTNERLINK_ELEMENT.equals(qname)) {
+                            processDefinition.getPartnerLinks().add(processPartnerLinkElement(reader));
+                        } else if (ONEVENT_ELEMENT.equals(qname) || RECEIVE_ELEMENT.equals(qname) || ONMESSAGE_ELEMENT.equals(qname)) {
+                            processPartnerLinkAsService(reader.getAttributeValue(null, "partnerLink"), processDefinition.getPartnerLinks());
+                        } else if (INVOKE_ELEMENT.equals(qname)) {
+                            processPartnerLinkAsReference(reader.getAttributeValue(null, "partnerLink"), processDefinition.getPartnerLinks());
                         } else if (IMPORT_ELEMENT.equals(qname)) {
-                        	processDefinition.getImports().add( processImportElement( reader ) );
+                            processDefinition.getImports().add(processImportElement(reader));
                         } // end if
                         break;
                     case END_ELEMENT:
                         if (PROCESS_ELEMENT.equals(reader.getName())) {
-                            //System.out.println("BPEL TypeLoader - finished read of process file");
                             completed = true;
                             break;
                         } // end if
                 } // end switch
             } // end while
         } finally {
-            if(reader != null) reader.close();
+            if (reader != null)
+                reader.close();
             is.close();
         } // end try
-        
+
         return processDefinition;
-    } // end indexRead2
-
-	/*
-	 * Processes a partnerLink element from the BPEL process and creates a
-	 * BPELPartnerLink object
-	 */
-	private BPELPartnerLinkElement processPartnerLinkElement( XMLStreamReader reader ) 
-					throws ContributionReadException {
-		BPELPartnerLinkElement partnerLink = new BPELPartnerLinkElement(
-	    		reader.getAttributeValue(null, "name"), 
-	    		getQNameValue(reader, reader.getAttributeValue(null, "partnerLinkType") ),
-	    		reader.getAttributeValue(null, "myRole"),
-	    		reader.getAttributeValue(null, "partnerRole"));
-	    // See if there are any SCA extension attributes
-	    String scaService = reader.getAttributeValue( SCA_BPEL_NS, "service");
-	    String scaReference = reader.getAttributeValue( SCA_BPEL_NS, "reference");
-	    if( (scaService != null) && (scaReference != null) ) {
-	    	// It is incorrect to set both service & reference attributes
-	        error("PartnerLinkHasBothAttr", partnerLink, reader.getAttributeValue(null, "name"));
-	    	throw new ContributionReadException( "BPEL PartnerLink " 
-	    			+ reader.getAttributeValue(null, "name") + 
-	    			" has both sca:reference and sca:service attributes set" );
-	    }
-	    // Set the SCA type and the related name, if present
-	    if( scaService != null ) partnerLink.setAsService( scaService );
-	    else if ( scaReference != null ) partnerLink.setAsReference( scaReference );
-	    return partnerLink;
-	} // end processPartnerLinkElement
-
-	/*
-	 * Processes an <import../> element from the BPEL process and creates a 
-	 * BPELImportElement object
-	 */
-	private BPELImportElement processImportElement( XMLStreamReader reader ) {
-		return ( new BPELImportElement( reader.getAttributeValue(null, "location"),
-				                        reader.getAttributeValue(null, "importType"),
-				                        reader.getAttributeValue(null, "namespace") ));
-	} // end processImportElement
-
-	/*
-	 * Mark a named partnerLink as a Service, unless it is already marked as a Reference
-	 */
-	private void processPartnerLinkAsService( String partnerLinkName, 
-										List<BPELPartnerLinkElement> partnerLinks ) {
-		BPELPartnerLinkElement partnerLink = findPartnerLinkByName( partnerLinks, partnerLinkName );
-		if( partnerLink == null ) {
-		    warning("ReferencePartnerLinkNotInList", partnerLinkName, partnerLinkName);
-		} else {
-			// Set the type of the partnerLink to "service" if not already set...
-			if( !partnerLink.isSCATyped() ) partnerLink.setAsService( partnerLinkName );
-		} // endif
-	} // end processPartnerLinkAsReference
-
-	/*
-	 * Mark a named partnerLink as a Reference, unless it is already marked as a Service
-	 */
-	private void processPartnerLinkAsReference( String partnerLinkName, 
-			List<BPELPartnerLinkElement> partnerLinks ) {
-		BPELPartnerLinkElement partnerLink = findPartnerLinkByName( partnerLinks, partnerLinkName );
-		if( partnerLink == null ) {
-		    warning("ReferencePartnerLinkNotInList", partnerLinkName, partnerLinkName);
-		} else {
-			// Set the type of the partnerLink to "service" if not already set...
-			if( !partnerLink.isSCATyped() ) partnerLink.setAsReference( partnerLinkName );
-		} // endif
-	} // end processPartnerLinkAsReference
-
-	/*
-	 * Finds a PartnerLink by name from a List of PartnerLinks
-	 * 
-	 * returns null if there is no partnerLink with a matching name
-	 * - returns the PartnerLink with a matching name
-	 */
-	private BPELPartnerLinkElement findPartnerLinkByName( List<BPELPartnerLinkElement> partnerLinks, 
-														  String partnerLinkName ) {
-		// Scan the list looking for a partner link with the supplied name
-		Iterator<BPELPartnerLinkElement> it = partnerLinks.iterator();
-		while( it.hasNext() ) {
-			BPELPartnerLinkElement thePartnerLink = it.next();
-			if( thePartnerLink.getName().equals(partnerLinkName) ) return thePartnerLink;
-		}
-		return null;
-	} // end method findPartnerLinkByName
+    } // end readProcessDefinition
+
+    /**
+     * Processes a partnerLink element from the BPEL process and creates a
+     * BPELPartnerLink object
+     * 
+     * @param reader
+     */
+    private BPELPartnerLinkElement processPartnerLinkElement(XMLStreamReader reader) throws ContributionReadException {
+        BPELPartnerLinkElement partnerLink = new BPELPartnerLinkElement(
+                                                                        reader.getAttributeValue(null, "name"),
+                                                                        getQNameValue(reader, reader.getAttributeValue(null, "partnerLinkType")),
+                                                                        reader.getAttributeValue(null, "myRole"),
+                                                                        reader.getAttributeValue(null, "partnerRole"));
+        
+        // See if there are any SCA extension attributes
+        String scaService = reader.getAttributeValue(SCA_BPEL_NS, "service");
+        String scaReference = reader.getAttributeValue(SCA_BPEL_NS, "reference");
+        if ((scaService != null) && (scaReference != null)) {
+            // It is incorrect to set both service & reference attributes
+            error("PartnerLinkHasBothAttr", partnerLink, reader.getAttributeValue(null, "name"));
+            throw new ContributionReadException("BPEL PartnerLink " + reader.getAttributeValue(null, "name") + " has both sca:reference and sca:service attributes set");
+        }
+        
+        // Set the SCA type and the related name, if present
+        if (scaService != null)
+            partnerLink.setAsService(scaService);
+        else if (scaReference != null)
+            partnerLink.setAsReference(scaReference);
+        return partnerLink;
+        
+    } // end processPartnerLinkElement
+
+    /**
+     * Processes an <import../> element from the BPEL process and creates a
+     * BPELImportElement object
+     * 
+     * @param reader
+     */
+    private BPELImportElement processImportElement(XMLStreamReader reader) {
+        return (new BPELImportElement(reader.getAttributeValue(null, "location"),
+                                      reader.getAttributeValue(null, "importType"),
+                                      reader.getAttributeValue(null, "namespace")));
+        
+    } // end processImportElement
+
+    /**
+     * Mark a named partnerLink as a Service, unless it is already marked as a
+     * Reference
+     * 
+     * @param partnerLinkName
+     * @param partnerLinks
+     */
+    private void processPartnerLinkAsService(String partnerLinkName, List<BPELPartnerLinkElement> partnerLinks) {
+        BPELPartnerLinkElement partnerLink = findPartnerLinkByName(partnerLinks, partnerLinkName);
+        if (partnerLink == null) {
+            warning("ReferencePartnerLinkNotInList", partnerLinkName, partnerLinkName);
+        } else {
+            // Set the type of the partnerLink to "service" if not already
+            // set...
+            if (!partnerLink.isSCATyped())
+                partnerLink.setAsService(partnerLinkName);
+        } // endif
+    } // end processPartnerLinkAsReference
+
+    /**
+     * Mark a named partnerLink as a Reference, unless it is already marked as a
+     * Service
+     * 
+     * @param partnerLinkName
+     * @param partnerLinks
+     */
+    private void processPartnerLinkAsReference(String partnerLinkName, List<BPELPartnerLinkElement> partnerLinks) {
+        BPELPartnerLinkElement partnerLink = findPartnerLinkByName(partnerLinks, partnerLinkName);
+        if (partnerLink == null) {
+            warning("ReferencePartnerLinkNotInList", partnerLinkName, partnerLinkName);
+        } else {
+            // Set the type of the partnerLink to "service" if not already
+            // set...
+            if (!partnerLink.isSCATyped())
+                partnerLink.setAsReference(partnerLinkName);
+        } // endif
+    } // end processPartnerLinkAsReference
+
+    /**
+     * Finds a PartnerLink by name from a List of PartnerLinks returns null if
+     * there is no partnerLink with a matching name - returns the PartnerLink
+     * with a matching name
+     * 
+     * @param partnerLinks
+     * @param partnerLinkName
+     */
+    private BPELPartnerLinkElement findPartnerLinkByName(List<BPELPartnerLinkElement> partnerLinks, String partnerLinkName) {
+        // Scan the list looking for a partner link with the supplied name
+        Iterator<BPELPartnerLinkElement> it = partnerLinks.iterator();
+        while (it.hasNext()) {
+            BPELPartnerLinkElement thePartnerLink = it.next();
+            if (thePartnerLink.getName().equals(partnerLinkName))
+                return thePartnerLink;
+        }
+        return null;
+    } // end method findPartnerLinkByName
 
+    /**
+     * Report a warning.
+     * 
+     * @param problems
+     * @param message
+     * @param model
+     */
+    private void warning(String message, Object model, Object... messageParameters) {
+        if (monitor != null) {
+            Problem problem = new ProblemImpl(this.getClass().getName(), "impl-bpel-validation-messages", Severity.WARNING, model, message, (Object[])messageParameters);
+            monitor.problem(problem);
+        }
+    }
+
+    /**
+     * Report a error.
+     * 
+     * @param problems
+     * @param message
+     * @param model
+     */
+    private void error(String message, Object model, Object... messageParameters) {
+        if (monitor != null) {
+            Problem problem = new ProblemImpl(this.getClass().getName(), "impl-bpel-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters);
+            monitor.problem(problem);
+        }
+    }
 
+    /**
+     * Report a exception.
+     * 
+     * @param problems
+     * @param message
+     * @param model
+     */
+    private void error(String message, Object model, Exception ex) {
+        if (monitor != null) {
+            Problem problem = new ProblemImpl(this.getClass().getName(), "impl-bpel-validation-messages", Severity.ERROR, model, message, ex);
+            monitor.problem(problem);
+        }
+    }
 }
diff --git a/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELImplementationImpl.java b/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELImplementationImpl.java
index 96d8a12a36..d4b9e872de 100644
--- a/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELImplementationImpl.java
+++ b/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELImplementationImpl.java
@@ -23,7 +23,6 @@ import java.util.List;
 
 import javax.xml.namespace.QName;
 
-import org.apache.tuscany.sca.assembly.AssemblyFactory;
 import org.apache.tuscany.sca.assembly.ComponentType;
 import org.apache.tuscany.sca.assembly.ConstrainingType;
 import org.apache.tuscany.sca.assembly.Property;
@@ -32,7 +31,6 @@ import org.apache.tuscany.sca.assembly.Service;
 import org.apache.tuscany.sca.assembly.impl.ImplementationImpl;
 import org.apache.tuscany.sca.implementation.bpel.BPELImplementation;
 import org.apache.tuscany.sca.implementation.bpel.BPELProcessDefinition;
-import org.apache.tuscany.sca.interfacedef.wsdl.WSDLFactory;
 
 /**
  * The model representing a BPEL implementation in an SCA assembly model.
@@ -41,32 +39,30 @@ import org.apache.tuscany.sca.interfacedef.wsdl.WSDLFactory;
  */
 public class BPELImplementationImpl extends ImplementationImpl implements BPELImplementation {
 
-    private QName _processName;
-    private BPELProcessDefinition _processDefinition;
+    private QName processName;
+    private BPELProcessDefinition processDefinition;
     private ComponentType componentType;
 
     /**
      * Constructs a new BPEL implementation.
      */
-    public BPELImplementationImpl(AssemblyFactory assemblyFactory,
-                              WSDLFactory wsdlFactory) {
-
+    public BPELImplementationImpl() {
     }
 
     public QName getProcess() {
-        return _processName;
+        return processName;
     }
     
     public void setProcess(QName processName) {
-        _processName = processName;
+        this.processName = processName;
     }
 
     public BPELProcessDefinition getProcessDefinition() {
-        return this._processDefinition;
+        return this.processDefinition;
     }
 
     public void setProcessDefinition(BPELProcessDefinition processDefinition) {
-        this._processDefinition = processDefinition;
+        this.processDefinition = processDefinition;
     }
 
     @Override
diff --git a/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELImplementationProcessor.java b/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELImplementationProcessor.java
index e047ae3cc7..3cabbd4a72 100644
--- a/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELImplementationProcessor.java
+++ b/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELImplementationProcessor.java
@@ -86,20 +86,6 @@ public class BPELImplementationProcessor extends BaseStAXArtifactProcessor imple
         this.monitor = monitor;
     }
 
-    /**
-     * Report a error.
-     * 
-     * @param problems
-     * @param message
-     * @param model
-     */
-    private void error(String message, Object model, Object... messageParameters) {
-    	 if (monitor != null) {
-	        Problem problem = new ProblemImpl(this.getClass().getName(), "impl-bpel-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters);
-	        monitor.problem(problem);
-    	 }
-    }
-     
     public QName getArtifactType() {
         // Returns the QName of the XML element processed by this processor
         return IMPLEMENTATION_BPEL_QNAME;
@@ -137,43 +123,29 @@ public class BPELImplementationProcessor extends BaseStAXArtifactProcessor imple
         return implementation;
     }
 
-    public void resolve(BPELImplementation impl, ModelResolver resolver) throws ContributionResolveException {
+    public void resolve(BPELImplementation implementation, ModelResolver resolver) throws ContributionResolveException {
         
-    	if( impl != null && impl.isUnresolved()) 
+    	if( implementation != null && implementation.isUnresolved()) 
     	{
-            BPELProcessDefinition processDefinition = resolveBPELProcessDefinition(impl, resolver);
+            BPELProcessDefinition processDefinition = resolveBPELProcessDefinition(implementation, resolver);
             if(processDefinition.isUnresolved()) {
-            	error("BPELProcessNotFound", impl, processDefinition.getName());
-                //throw new ContributionResolveException("Can't find BPEL Process : " + processDefinition.getName());
+            	error("BPELProcessNotFound", implementation, processDefinition.getName());
             } else {            
-                impl.setProcessDefinition(processDefinition);
+                implementation.setProcessDefinition(processDefinition);
             
                 // Get the component type from the process definition
-                generateComponentType( impl );
+                generateComponentType( implementation );
             
                 //resolve component type
-                mergeComponentType(resolver, impl);
+                mergeComponentType(resolver, implementation);
                         
                 //set current implementation resolved 
-                impl.setUnresolved(false);
+                implementation.setUnresolved(false);
             }
         }
         
     } // end resolve
 
-    /*
-     * Write out the XML representation of the BPEL implementation
-     * <implementation.bpel process="..." />
-     * 
-     * One complexity here is that the value of the process attribute is a QName
-     * In this implementation, the QName is written out in XML Namespaces recommendation format,
-     * as described in the documentation of the getAttributeValueNS method:
-     * 
-     * ie:  {http://example.com/somenamespace}SomeName
-     * 
-     * This may well NOT be the format in which the attribute was originally read from the
-     * composite file.
-     */
     public void write( BPELImplementation bpelImplementation, 
     		           XMLStreamWriter writer ) throws ContributionWriteException, XMLStreamException {
         //FIXME Deal with policy processing...
@@ -199,43 +171,40 @@ public class BPELImplementationProcessor extends BaseStAXArtifactProcessor imple
         return resolver.resolveModel(BPELProcessDefinition.class, processDefinition);
     } // end resolveBPELProcessDefinition
     
-    // Calculates the component type of the supplied implementation and attaches it to the
-    // implementation
-    private void generateComponentType(BPELImplementation impl ) 
-    	throws ContributionResolveException {
+    /**
+     * Calculates the component type of the supplied implementation and attaches it to the
+     * implementation.
+     * 
+     * @param impl
+     * @throws ContributionResolveException
+     */
+    private void generateComponentType(BPELImplementation impl) throws ContributionResolveException {
+
         // Create a ComponentType and mark it unresolved
         ComponentType componentType = assemblyFactory.createComponentType();
         componentType.setUnresolved(true);
         impl.setComponentType(componentType);
-        
-        // Each partner link in the process represents either a service or a reference
+
+        // Each partner link in the process represents either a service or a
+        // reference
         // - or both, in the sense of involving a callback
         BPELProcessDefinition theProcess = impl.getProcessDefinition();
         List<BPELPartnerLinkElement> partnerLinks = theProcess.getPartnerLinks();
-        
-        for( BPELPartnerLinkElement pLink : partnerLinks ) {
-        	// check that the partner link has been designated as service or reference in SCA terms
-        	if ( pLink.isSCATyped() ) {
-        		String SCAName = pLink.getSCAName(); 
-        		if( pLink.querySCAType().equals("reference") ) {
-        			componentType.getReferences().add(
-	        			generateReference( SCAName, 
-	        					           pLink.getMyRolePortType(), 
-	        					           pLink.getPartnerRolePortType(),
-		        					       theProcess.getInterfaces() )
-        			);
-        		} else {
-        			componentType.getServices().add(
-	        			generateService( SCAName, 
-	        					         pLink.getMyRolePortType(), 
-	        					         pLink.getPartnerRolePortType(),
-	        					         theProcess.getInterfaces() ) 
-        			);
-        		} // end if
-        	} // end if
+
+        for (BPELPartnerLinkElement pLink : partnerLinks) {
+
+            // check that the partner link has been designated as service or
+            // reference in SCA terms
+            if (pLink.isSCATyped()) {
+                String SCAName = pLink.getSCAName();
+                if (pLink.querySCAType().equals("reference")) {
+                    componentType.getReferences().add(generateReference(SCAName, pLink.getMyRolePortType(), pLink.getPartnerRolePortType(), theProcess.getInterfaces()));
+                } else {
+                    componentType.getServices().add(generateService(SCAName, pLink.getMyRolePortType(), pLink.getPartnerRolePortType(), theProcess.getInterfaces()));
+                } // end if
+            } // end if
         } // end for
-        
-    	
+
     } // end getComponentType
     
     /**
@@ -247,70 +216,69 @@ public class BPELImplementationProcessor extends BaseStAXArtifactProcessor imple
      * @return
      */
     private Reference generateReference( String name, PortType myRolePT, 
-    		PortType partnerRolePT, Collection<WSDLInterface> theInterfaces  ) 
-    		throws ContributionResolveException {
+    		PortType partnerRolePT, Collection<WSDLInterface> theInterfaces) throws ContributionResolveException {
+        
         Reference reference = assemblyFactory.createReference();
         WSDLInterfaceContract interfaceContract = wsdlFactory.createWSDLInterfaceContract();
         reference.setInterfaceContract(interfaceContract);
-        
-        // Establish whether there is just a call interface or a call + callback interface
+
+        // Establish whether there is just a call interface or a call + callback
+        // interface
         PortType callPT = null;
         PortType callbackPT = null;
-        if( myRolePT != null ) {
-        	callPT = myRolePT;
-        	// If the 2 port types are not the same one, there is a callback...
-        	if( partnerRolePT != null ) {
-        		if( !myRolePT.getQName().equals(partnerRolePT.getQName()) ){
-        			callbackPT = partnerRolePT;
-        		} // end if
-        	} // end if
-        } else if ( partnerRolePT != null ) {
-        	callPT = partnerRolePT;
+        if (myRolePT != null) {
+            callPT = myRolePT;
+            // If the 2 port types are not the same one, there is a callback...
+            if (partnerRolePT != null) {
+                if (!myRolePT.getQName().equals(partnerRolePT.getQName())) {
+                    callbackPT = partnerRolePT;
+                } // end if
+            } // end if
+        } else if (partnerRolePT != null) {
+            callPT = partnerRolePT;
         } // end if
-        // No interfaces mean an error - throw an exception
-        if( callPT == null && callbackPT == null ) {
-        	error("MyRolePartnerRoleNull", theInterfaces);
-        	throw new ContributionResolveException("Error: myRole and partnerRole port types are both null");
-        } // end if 
-        
-        // Set the name of the reference to the supplied name and the multiplicity of the reference
-        // to 1..1 
-        // TODO: support other multiplicities 
+
+        // No interfaces mean an error
+        if (callPT == null && callbackPT == null) {
+            error("MyRolePartnerRoleNull", theInterfaces);
+        } // end if
+
+        // Set the name of the reference to the supplied name and the
+        // multiplicity of the reference
+        // to 1..1
+        // TODO: support other multiplicities
         reference.setName(name);
         reference.setMultiplicity(Multiplicity.ONE_ONE);
-        
-        if ( callPT != null ) {
+
+        if (callPT != null) {
             // Set the call interface and, if present, the callback interface
             WSDLInterface callInterface = null;
-            for( WSDLInterface anInterface : theInterfaces ) {
-        	    if( anInterface.getPortType().getQName().equals(callPT.getQName())) callInterface = anInterface;
+            for (WSDLInterface anInterface : theInterfaces) {
+                if (anInterface.getPortType().getQName().equals(callPT.getQName()))
+                    callInterface = anInterface;
             } // end for
-            // Throw an exception if no interface is found
-            if( callInterface == null ) {
-        	    error("NoInterfaceForPortType", theInterfaces, callPT.getQName().toString());
-        	    throw new ContributionResolveException("Interface not found for port type " +
-        			    callPT.getQName().toString() );
+            if (callInterface == null) {
+                error("NoInterfaceForPortType", theInterfaces, callPT.getQName().toString());
             } else
                 reference.getInterfaceContract().setInterface(callInterface);
         }
- 
-        // There is a callback if the partner role is not null and if the partner role port type
+
+        // There is a callback if the partner role is not null and if the
+        // partner role port type
         // is not the same as the port type for my role
-        if ( callbackPT != null ) {
+        if (callbackPT != null) {
             WSDLInterface callbackInterface = null;
-            for( WSDLInterface anInterface : theInterfaces ) {
-            	if( anInterface.getPortType().getQName().equals(callbackPT.getQName())) callbackInterface = anInterface;
+            for (WSDLInterface anInterface : theInterfaces) {
+                if (anInterface.getPortType().getQName().equals(callbackPT.getQName()))
+                    callbackInterface = anInterface;
             } // end for
-            // Throw an exception if no interface is found
-            if( callbackInterface == null ) {
-            	error("NoInterfaceForPortType", theInterfaces, callbackPT.getQName().toString());
-            	throw new ContributionResolveException("Interface not found for port type " +
-            			callbackPT.getQName().toString() );
-            } else 
+            if (callbackInterface == null) {
+                error("NoInterfaceForPortType", theInterfaces, callbackPT.getQName().toString());
+            } else
                 reference.getInterfaceContract().setCallbackInterface(callbackInterface);
         } // end if
-    	
-    	return reference;
+
+        return reference;
     } // end generateReference
     
     /**
@@ -327,62 +295,60 @@ public class BPELImplementationProcessor extends BaseStAXArtifactProcessor imple
         Service service = assemblyFactory.createService();
         WSDLInterfaceContract interfaceContract = wsdlFactory.createWSDLInterfaceContract();
         service.setInterfaceContract(interfaceContract);
-        
-        // Set the name of the service to the supplied name 
+
+        // Set the name of the service to the supplied name
         service.setName(name);
-        
-        // Establish whether there is just a call interface or a call + callback interface
+
+        // Establish whether there is just a call interface or a call + callback
+        // interface
         PortType callPT = null;
         PortType callbackPT = null;
-        if( myRolePT != null ) {
-        	callPT = myRolePT;
-        	// If the 2 port types are not the same one, there is a callback...
-        	if( partnerRolePT != null ) {
-        		if( !myRolePT.getQName().equals(partnerRolePT.getQName()) ){
-        			callbackPT = partnerRolePT;
-        		} // end if
-        	} // end if
-        } else if ( partnerRolePT != null ) {
-        	callPT = partnerRolePT;
+        if (myRolePT != null) {
+            callPT = myRolePT;
+            // If the 2 port types are not the same one, there is a callback...
+            if (partnerRolePT != null) {
+                if (!myRolePT.getQName().equals(partnerRolePT.getQName())) {
+                    callbackPT = partnerRolePT;
+                } // end if
+            } // end if
+        } else if (partnerRolePT != null) {
+            callPT = partnerRolePT;
         } // end if
-        // No interfaces mean an error - throw an exception
-        if( callPT == null && callbackPT == null ) {
-        	error("MyRolePartnerRoleNull", theInterfaces);
-        	throw new ContributionResolveException("Error: myRole and partnerRole port types are both null");
+
+        // No interfaces mean an error
+        if (callPT == null && callbackPT == null) {
+            error("MyRolePartnerRoleNull", theInterfaces);
         } // end if
 
-        if ( callPT != null ) {
+        if (callPT != null) {
             // Set the call interface and, if present, the callback interface
             WSDLInterface callInterface = null;
-            for( WSDLInterface anInterface : theInterfaces ) {
-        	    if( anInterface.getPortType().getQName().equals(callPT.getQName())) callInterface = anInterface;
+            for (WSDLInterface anInterface : theInterfaces) {
+                if (anInterface.getPortType().getQName().equals(callPT.getQName()))
+                    callInterface = anInterface;
             } // end for
-            // Throw an exception if no interface is found
-            if( callInterface == null ) {
-        	    error("NoInterfaceForPortType", theInterfaces, callPT.getQName().toString());
-        	    throw new ContributionResolveException("Interface not found for port type " +
-        			    callPT.getQName().toString() );
+            if (callInterface == null) {
+                error("NoInterfaceForPortType", theInterfaces, callPT.getQName().toString());
             } else
                 service.getInterfaceContract().setInterface(callInterface);
         } // end if
-        
-        // There is a callback if the partner role is not null and if the partner role port type
+
+        // There is a callback if the partner role is not null and if the
+        // partner role port type
         // is not the same as the port type for my role
-        if ( callbackPT != null ) {
+        if (callbackPT != null) {
             WSDLInterface callbackInterface = null;
-            for( WSDLInterface anInterface : theInterfaces ) {
-            	if( anInterface.getPortType().getQName().equals(callbackPT.getQName())) callbackInterface = anInterface;
+            for (WSDLInterface anInterface : theInterfaces) {
+                if (anInterface.getPortType().getQName().equals(callbackPT.getQName()))
+                    callbackInterface = anInterface;
             } // end for
-            // Throw an exception if no interface is found
-            if( callbackInterface == null ) {
-            	error("NoInterfaceForPortType", theInterfaces, callbackPT.getQName().toString());
-            	throw new ContributionResolveException("Interface not found for port type " +
-            			callbackPT.getQName().toString() );
-            } else 
+            if (callbackInterface == null) {
+                error("NoInterfaceForPortType", theInterfaces, callbackPT.getQName().toString());
+            } else
                 service.getInterfaceContract().setCallbackInterface(callbackInterface);
         } // end if
-    	
-    	return service;
+
+        return service;
     } // end generateService
     
     /**
@@ -395,26 +361,30 @@ public class BPELImplementationProcessor extends BaseStAXArtifactProcessor imple
      * @param impl
      */
     private void mergeComponentType(ModelResolver resolver, BPELImplementation impl) {
-    	// Load the component type from a component type file, if any
+
+        // Load the component type from a component type file, if any
         ComponentType componentType = getComponentType(resolver, impl);
         if (componentType != null && !componentType.isUnresolved()) {
-            
-        	// References...
+
+            // References...
             Map<String, Reference> refMap = new HashMap<String, Reference>();
             for (Reference reference : componentType.getReferences()) {
-            	reference.getInterfaceContract().getInterface().resetDataBinding(DOMDataBinding.NAME);
+                reference.getInterfaceContract().getInterface().resetDataBinding(DOMDataBinding.NAME);
                 refMap.put(reference.getName(), reference);
             } // end for
 
-            // For the present, overwrite anything arising from the component type sidefile if
+            // For the present, overwrite anything arising from the component
+            // type sidefile if
             // equivalent services are defined in the implementation.
-            // TODO - a more careful merge must be done, using the implementation introspection data
-            // as the master but adding any additional and non-conflicting information from the
+            // TODO - a more careful merge must be done, using the
+            // implementation introspection data
+            // as the master but adding any additional and non-conflicting
+            // information from the
             // sidefile
             for (Reference ref : impl.getReferences()) {
-            	ref.getInterfaceContract().getInterface().resetDataBinding(DOMDataBinding.NAME);
+                ref.getInterfaceContract().getInterface().resetDataBinding(DOMDataBinding.NAME);
                 refMap.put(ref.getName(), ref);
-            } // end for 
+            } // end for
 
             impl.getReferences().clear();
             impl.getReferences().addAll(refMap.values());
@@ -422,18 +392,21 @@ public class BPELImplementationProcessor extends BaseStAXArtifactProcessor imple
             // Services.....
             Map<String, Service> serviceMap = new HashMap<String, Service>();
             for (Service service : componentType.getServices()) {
-                service.getInterfaceContract().getInterface().resetDataBinding(DOMDataBinding.NAME);               
+                service.getInterfaceContract().getInterface().resetDataBinding(DOMDataBinding.NAME);
                 serviceMap.put(service.getName(), service);
             } // end for
-            
-            // For the present, overwrite anything arising from the component type sidefile if
+
+            // For the present, overwrite anything arising from the component
+            // type sidefile if
             // equivalent services are defined in the implementation.
-            // TODO - a more careful merge must be done, using the implementation introspection data
-            // as the master but adding any additional and non-conflicting information from the
+            // TODO - a more careful merge must be done, using the
+            // implementation introspection data
+            // as the master but adding any additional and non-conflicting
+            // information from the
             // sidefile
             for (Service svc : impl.getServices()) {
                 svc.getInterfaceContract().getInterface().resetDataBinding(DOMDataBinding.NAME);
-                serviceMap.put(svc.getName(), svc);    
+                serviceMap.put(svc.getName(), svc);
             } // end for
 
             impl.getServices().clear();
@@ -442,10 +415,11 @@ public class BPELImplementationProcessor extends BaseStAXArtifactProcessor imple
             // Properties
             Map<String, Property> propMap = new HashMap<String, Property>();
             for (Property property : componentType.getProperties()) {
-            	propMap.put(property.getName(), property);
+                propMap.put(property.getName(), property);
             } // end for
 
-            // A simple overwrite of any equivalent properties from the component type sidefile
+            // A simple overwrite of any equivalent properties from the
+            // component type sidefile
             for (Property prop : impl.getProperties()) {
                 propMap.put(prop.getName(), prop);
             }
@@ -495,44 +469,54 @@ public class BPELImplementationProcessor extends BaseStAXArtifactProcessor imple
     private QName getAttributeValueNS(XMLStreamReader reader, String attribute) {
         String fullValue = reader.getAttributeValue(null, attribute);
         if (fullValue == null) {
-        	error("AttributeProcessMissing", reader);
-        	return null;
+            error("AttributeProcessMissing", reader);
+            return null;
         }
-        
+
         // Deal with the attribute in the XML Namespaces recommendation format
-        // - trim off any leading/trailing spaces and check that the first character is '{'
-        if( fullValue.trim().charAt(0) == '{' ) {
-        	try {
-        		// Attempt conversion to a QName object
-        		QName theProcess = QName.valueOf( fullValue );
-        		return theProcess;
-        	} catch ( IllegalArgumentException e ) {
-        		// This exception happens if the attribute begins with '{' but doesn't conform
-        		// to the XML Namespaces recommendation format
-        		error("AttributeWithoutNamespace", reader, attribute, fullValue);
-        		return null;
-        		//throw new BPELProcessException("Attribute " + attribute + " with value " + fullValue +
-                //" in your composite should be of the form {namespaceURI}localname");
-        	}
+        // - trim off any leading/trailing spaces and check that the first
+        // character is '{'
+        if (fullValue.trim().charAt(0) == '{') {
+            try {
+                // Attempt conversion to a QName object
+                QName theProcess = QName.valueOf(fullValue);
+                return theProcess;
+            } catch (IllegalArgumentException e) {
+                // This exception happens if the attribute begins with '{' but
+                // doesn't conform
+                // to the XML Namespaces recommendation format
+                error("AttributeWithoutNamespace", reader, attribute, fullValue);
+                return null;
+            }
         } // endif
-        
+
         // Deal with the attribute in the local name + prefix format
         if (fullValue.indexOf(":") < 0) {
-        	error("AttributeWithoutPrefix", reader, attribute, fullValue);
-        	return null;
-            //throw new BPELProcessException("Attribute " + attribute + " with value " + fullValue +
-                    //" in your composite should be prefixed (process=\"prefix:name\").");
+            error("AttributeWithoutPrefix", reader, attribute, fullValue);
+            return null;
         }
         String prefix = fullValue.substring(0, fullValue.indexOf(":"));
         String name = fullValue.substring(fullValue.indexOf(":") + 1);
         String nsUri = reader.getNamespaceContext().getNamespaceURI(prefix);
         if (nsUri == null) {
-        	error("AttributeUnrecognizedNamespace", reader, attribute, fullValue);
-        	return null;
-            //throw new BPELProcessException("Attribute " + attribute + " with value " + fullValue +
-                    //" in your composite has an unrecognized namespace prefix.");
-        } 
+            error("AttributeUnrecognizedNamespace", reader, attribute, fullValue);
+            return null;
+        }
         return new QName(nsUri, name, prefix);
     }
 
+    /**
+     * Report a error.
+     * 
+     * @param problems
+     * @param message
+     * @param model
+     */
+    private void error(String message, Object model, Object... messageParameters) {
+         if (monitor != null) {
+                Problem problem = new ProblemImpl(this.getClass().getName(), "impl-bpel-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters);
+                monitor.problem(problem);
+         }
+    }
+     
 }
diff --git a/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELProcessDefinitionImpl.java b/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELProcessDefinitionImpl.java
index 83e70ec959..1372b94eee 100644
--- a/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELProcessDefinitionImpl.java
+++ b/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/impl/BPELProcessDefinitionImpl.java
@@ -23,16 +23,14 @@ import java.net.URI;
 import java.net.URL;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Collection;
 
-import javax.xml.namespace.QName;
 import javax.wsdl.PortType;
-
-import org.apache.tuscany.sca.interfacedef.wsdl.WSDLInterface;
+import javax.xml.namespace.QName;
 
 import org.apache.tuscany.sca.implementation.bpel.BPELProcessDefinition;
 import org.apache.tuscany.sca.implementation.bpel.xml.BPELImportElement;
 import org.apache.tuscany.sca.implementation.bpel.xml.BPELPartnerLinkElement;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLInterface;
 
 /**
  * The BPEL process definition implementation.
@@ -40,14 +38,14 @@ import org.apache.tuscany.sca.implementation.bpel.xml.BPELPartnerLinkElement;
  * @version $Rev$ $Date$
  */
 public class BPELProcessDefinitionImpl implements BPELProcessDefinition {
-    private QName   name;
-    private URI     uri;
-    private URL     location;
+    private QName name;
+    private URI uri;
+    private URL location;
     private boolean unresolved;
     private List<BPELPartnerLinkElement> partnerLinks = new ArrayList<BPELPartnerLinkElement>();
     private List<BPELImportElement> imports = new ArrayList<BPELImportElement>();
-    private Collection<PortType> thePortTypes = null;
-    private Collection<WSDLInterface> theInterfaces = null;
+    private List<PortType> thePortTypes = new ArrayList<PortType>();
+    private List<WSDLInterface> theInterfaces = new ArrayList<WSDLInterface>();
     
     public QName getName() {
         return name;
@@ -81,65 +79,22 @@ public class BPELProcessDefinitionImpl implements BPELProcessDefinition {
         this.unresolved = undefined;
     }  
     
-    /**
-     * Return the list of PartnerLinks for this process
-     * @return List<BPELPartnerLinkElement> the list of Partner Links
-     */
     public List<BPELPartnerLinkElement> getPartnerLinks() {
     	return partnerLinks;
     }
     
-    /**
-     * Return the list of imports for this process
-     * @return List<BPELImportElement> the list of Import elements
-     */
     public List<BPELImportElement> getImports() {
     	return imports;
     }
     
-    public void setPortTypes( Collection<PortType> thePortTypes ) {
-    	this.thePortTypes = thePortTypes;
-    }
-    
-    public Collection<PortType> getPortTypes() {
+    public List<PortType> getPortTypes() {
     	return thePortTypes;
     }
     
-    /**
-     * Set the associated collection of WSDL interfaces
-     * @param theInterfaces
-     */
-    public void setInterfaces( Collection<WSDLInterface> theInterfaces ) {
-    	this.theInterfaces = theInterfaces;
-    } // end setInterfaces
-    
-    /**
-     * Return the collection of associated WSDL interfaces
-     * @return
-     */
-    public Collection<WSDLInterface> getInterfaces() {
+    public List<WSDLInterface> getInterfaces() {
     	return theInterfaces;
-    } // end getInterfaces
-    
-    public void compile() {
-        /*
-        String bpelFile = reader.getAttributeValue(null, "file");  // FIXME: 
-
-        // Resolving the BPEL file and compiling it
-        URL bpelURL = getClass().getClassLoader().getResource(bpelFile);
-        if (bpelURL == null)
-            throw new ODEProcessException("Couldn't find referenced bpel file " + bpelFile);
-        BpelC bpelc = BpelC.newBpelCompiler();
-        ByteArrayOutputStream compiledProcess = new ByteArrayOutputStream();
-        bpelc.setOutputStream(compiledProcess);
-        try {
-            bpelc.compile(new File(bpelURL.getFile()));
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
-        */
     }
-
+    
     @Override
     public int hashCode() {
         return String.valueOf(getName()).hashCode();
diff --git a/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/xml/BPELImportElement.java b/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/xml/BPELImportElement.java
index 75a46f9bc3..bf0020323c 100644
--- a/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/xml/BPELImportElement.java
+++ b/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/xml/BPELImportElement.java
@@ -31,14 +31,12 @@ import org.apache.tuscany.sca.interfacedef.wsdl.WSDLDefinition;
  */

 public class BPELImportElement {

 	

-	private String location;

+    private String location;

     private String importType;

     private String namespace;

     private WSDLDefinition theWSDL = null;

-    

-    public BPELImportElement( String location, 

-    						  String importType,

-    						  String namespace  ) {

+

+    public BPELImportElement(String location, String importType, String namespace) {

         this.location = location;

         this.importType = importType;

         this.namespace = namespace;

@@ -51,17 +49,17 @@ public class BPELImportElement {
     public String getLocation() {

         return location;

     }

-    

+

     public String getNamespace() {

-    	return namespace;

+        return namespace;

     }

-    

-    public void setWSDLDefinition( WSDLDefinition theDefinition) {

-    	theWSDL = theDefinition;

+

+    public void setWSDLDefinition(WSDLDefinition theDefinition) {

+        theWSDL = theDefinition;

     }

-    

+

     public WSDLDefinition getWSDLDefinition() {

-    	return theWSDL;

+        return theWSDL;

     }

-    

+

 } // end class BPELImportElement

diff --git a/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/xml/BPELPartnerLinkElement.java b/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/xml/BPELPartnerLinkElement.java
index 4ea0e5e49e..b7f5d1d3f2 100644
--- a/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/xml/BPELPartnerLinkElement.java
+++ b/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/xml/BPELPartnerLinkElement.java
@@ -40,8 +40,8 @@ public class BPELPartnerLinkElement {
 

     private String 	REFERENCE_TYPE = "reference";

     private String 	SERVICE_TYPE = "service";

-	private String 	name;

-	private QName	partnerLinkType;

+    private String 	name;

+    private QName	partnerLinkType;

     private BPELPartnerLinkTypeElement 	pLinkType = null;

     private String 	myRole;

     private String 	partnerRole;

@@ -78,15 +78,15 @@ public class BPELPartnerLinkElement {
     }

     

     private PortType getRolePortType( String theRole ) {

-    	if( theRole == null || theRole.length() == 0 ) {

-    		return null;

-    	} //end if

-    	if ( theRole.equals( pLinkType.getRole1Name() ) ) {

-    		return pLinkType.getRole1pType();

-    	} else if ( theRole.equals( pLinkType.getRole2Name() ) ) {

-    		return pLinkType.getRole2pType();

-    	} // end if 

-    	return null;

+    	if (theRole == null || theRole.length() == 0) {

+            return null;

+        } // end if

+        if (theRole.equals(pLinkType.getRole1Name())) {

+            return pLinkType.getRole1pType();

+        } else if (theRole.equals(pLinkType.getRole2Name())) {

+            return pLinkType.getRole2pType();

+        } // end if

+        return null;

     } // end getRolePortType

 

     public String getName() {

diff --git a/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/xml/BPELPartnerLinkTypeElement.java b/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/xml/BPELPartnerLinkTypeElement.java
index e013215f5e..fdaf98a97f 100644
--- a/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/xml/BPELPartnerLinkTypeElement.java
+++ b/java/sca/modules/implementation-bpel/src/main/java/org/apache/tuscany/sca/implementation/bpel/xml/BPELPartnerLinkTypeElement.java
@@ -39,75 +39,74 @@
  */

 public class BPELPartnerLinkTypeElement implements ExtensibilityElement {

 	

-	private QName name;

-	private String Role1name = null;

-	private QName  Role1porttype = null;

-	private PortType	Role1pType = null;

-	private String Role2name = null;

-	private QName  Role2porttype = null;

-	private PortType	Role2pType = null;

+    private QName name;

+    private String Role1name = null;

+    private QName Role1porttype = null;

+    private PortType Role1pType = null;

+    private String Role2name = null;

+    private QName Role2porttype = null;

+    private PortType Role2pType = null;

+    private QName elementType = null;

+    private Boolean required = false;

+

+    public BPELPartnerLinkTypeElement(QName name) {

+        this.name = name;

+    }

+

+    public QName getName() {

+        return name;

+    }

+

+    public void setRole1(String name, QName portType, PortType pType) {

+        Role1name = name;

+        Role1porttype = portType;

+        Role1pType = pType;

+    }

+

+    public void setRole2(String name, QName portType, PortType pType) {

+        Role2name = name;

+        Role2porttype = portType;

+        Role2pType = pType;

+    }

+

+    public String getRole1Name() {

+        return Role1name;

+    }

+

+    public String getRole2Name() {

+        return Role2name;

+    }

+

+    public QName getRole1PortType() {

+        return Role1porttype;

+    }

+

+    public QName getRole2PortType() {

+        return Role2porttype;

+    }

+

+    public PortType getRole1pType() {

+        return Role1pType;

+    }

+

+    public PortType getRole2pType() {

+        return Role2pType;

+    }

+

+    public QName getElementType() {

+        return elementType;

+    }

 

-	

-	private QName  elementType = null;

-	private Boolean required = false;

-	

-	public BPELPartnerLinkTypeElement( QName name ) {

-		this.name = name;

-	}

-	

-	public QName getName(){

-		return name;

-	}

-	

-	public void setRole1( String name, QName portType, PortType pType ) {

-		Role1name = name;

-		Role1porttype = portType;

-		Role1pType = pType;

-	}

-	

-	public void setRole2( String name, QName portType, PortType pType ) {

-		Role2name = name;

-		Role2porttype = portType;

-		Role2pType = pType;

-	}

-	

-	public String getRole1Name() {

-		return Role1name;

-	}

-	public String getRole2Name() {

-		return Role2name;

-	}

-	

-	public QName getRole1PortType() {

-		return Role1porttype;

-	}

-	

-	public QName getRole2PortType() {

-		return Role2porttype;

-	}

-	

-	public PortType getRole1pType() {

-		return Role1pType;

-	}

-	

-	public PortType getRole2pType() {

-		return Role2pType;

-	}

-	

-	public QName getElementType() {

-		return elementType;

-	}

-	

     public Boolean getRequired() {

-    	return required;

+        return required;

     }

-    

+

     public void setElementType(QName elementType) {

-    	this.elementType = elementType;

+        this.elementType = elementType;

     }

-    

+

     public void setRequired(java.lang.Boolean required) {

-    	this.required = required;

+        this.required = required;

     }

-    

+

 } // end BPELPartnerLinkType