Refactor CompositeActivator, ComponentContext and other related interfaces into core-spi module

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@819009 13f79535-47bb-0310-9956-ffa450edef68

37 files changed, 124 insertions, 216 deletions

diff --git a/java/sca/itest/builder/src/test/java/org/apache/tuscany/sca/itest/builder/CustomCompositeBuilder.java b/java/sca/itest/builder/src/test/java/org/apache/tuscany/sca/itest/builder/CustomCompositeBuilder.java
index 2e06c845f2..c2ce5f87f2 100644
--- a/java/sca/itest/builder/src/test/java/org/apache/tuscany/sca/itest/builder/CustomCompositeBuilder.java
+++ b/java/sca/itest/builder/src/test/java/org/apache/tuscany/sca/itest/builder/CustomCompositeBuilder.java
@@ -25,7 +25,6 @@ import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
 import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint;
 import org.apache.tuscany.sca.core.ExtensionPointRegistry;
 import org.apache.tuscany.sca.core.UtilityExtensionPoint;
-import org.apache.tuscany.sca.core.assembly.CompositeActivator;
 import org.apache.tuscany.sca.monitor.Monitor;
 import org.apache.tuscany.sca.monitor.MonitorFactory;
 import org.apache.tuscany.sca.node.Contribution;
@@ -33,6 +32,7 @@ import org.apache.tuscany.sca.node.ContributionLocationHelper;
 import org.apache.tuscany.sca.node.Node;
 import org.apache.tuscany.sca.node.NodeFactory;
 import org.apache.tuscany.sca.node.impl.NodeImpl;
+import org.apache.tuscany.sca.runtime.CompositeActivator;
 
 
 public class CustomCompositeBuilder {
diff --git a/java/sca/itest/properties/pom.xml b/java/sca/itest/properties/pom.xml
index 958c1b1a55..ec04cdba99 100644
--- a/java/sca/itest/properties/pom.xml
+++ b/java/sca/itest/properties/pom.xml
@@ -66,41 +66,9 @@
         
         <dependency>
             <groupId>org.apache.tuscany.sca</groupId>
-            <artifactId>tuscany-databinding-sdo</artifactId>
-            <version>2.0-SNAPSHOT</version>
-            <scope>compile</scope>
-        </dependency>
-
-        <dependency>
-            <groupId>org.apache.tuscany.sca</groupId>
             <artifactId>tuscany-databinding-jaxb</artifactId>
             <version>2.0-SNAPSHOT</version>
             <scope>compile</scope>
         </dependency>
     </dependencies>
-    <build>
-        <plugins>
-		    <plugin>
-                <groupId>org.apache.tuscany.sdo</groupId>
-                <artifactId>tuscany-sdo-plugin</artifactId>
-                <version>1.1.1</version>
-                <executions>
-                    <execution>
-                        <id>generate-customer-sdo</id>
-                        <phase>generate-sources</phase>
-                        <configuration>
-                            <schemaFile>${basedir}/src/main/resources/customer.xsd</schemaFile>
-                            <javaPackage>com.example.customer.sdo</javaPackage>
-                            <noNotification>true</noNotification>
-                            <noContainer>true</noContainer>
-                            <noUnsettable>true</noUnsettable>
-                        </configuration>
-                        <goals>
-                            <goal>generate</goal>
-                        </goals>
-                    </execution>
-                </executions>
-            </plugin>
-		</plugins>
-    </build>
 </project>
diff --git a/java/sca/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/Composite.java b/java/sca/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/Composite.java
index 6b2f16732d..64a55f1b44 100644
--- a/java/sca/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/Composite.java
+++ b/java/sca/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/Composite.java
@@ -30,6 +30,10 @@ import org.apache.tuscany.sca.policy.PolicySubject;
  * @version $Rev$ $Date$
  */
 public interface Composite extends Implementation, Extensible, Cloneable, PolicySubject {
+    /**
+     * Special name for the domain composite
+     */
+    QName DOMAIN_COMPOSITE = new QName(SCA11_NS, "");
     QName TYPE = new QName(SCA11_NS, "implementation.composite");
 
     /**
diff --git a/java/sca/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/BaseBuilderImpl.java b/java/sca/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/BaseBuilderImpl.java
index 4e8159b70c..cb74572fa9 100644
--- a/java/sca/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/BaseBuilderImpl.java
+++ b/java/sca/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/BaseBuilderImpl.java
@@ -107,7 +107,7 @@ public abstract class BaseBuilderImpl implements CompositeBuilder {
      * @param message
      * @param model
      */
-    protected void warning(Monitor monitor, String message, Object model, String... messageParameters) {
+    protected void warning(Monitor monitor, String message, Object model, Object... messageParameters) {
         if (monitor != null) {
             Problem problem =
                 monitor.createProblem(this.getClass().getName(),
@@ -115,7 +115,7 @@ public abstract class BaseBuilderImpl implements CompositeBuilder {
                                       Severity.WARNING,
                                       model,
                                       message,
-                                      (Object[])messageParameters);
+                                      messageParameters);
             monitor.problem(problem);
         }
     }
@@ -128,7 +128,7 @@ public abstract class BaseBuilderImpl implements CompositeBuilder {
      * @param message
      * @param model
      */
-    protected void error(Monitor monitor, String message, Object model, String... messageParameters) {
+    protected void error(Monitor monitor, String message, Object model, Object... messageParameters) {
         if (monitor != null) {
             Problem problem =
                 monitor.createProblem(this.getClass().getName(),
@@ -136,7 +136,7 @@ public abstract class BaseBuilderImpl implements CompositeBuilder {
                                       Severity.ERROR,
                                       model,
                                       message,
-                                      (Object[])messageParameters);
+                                      messageParameters);
             monitor.problem(problem);
         }
     }
diff --git a/java/sca/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/CompositeCloneBuilderImpl.java b/java/sca/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/CompositeCloneBuilderImpl.java
index 808ecf1993..57a87a7a0f 100644
--- a/java/sca/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/CompositeCloneBuilderImpl.java
+++ b/java/sca/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/CompositeCloneBuilderImpl.java
@@ -42,7 +42,22 @@ public class CompositeCloneBuilderImpl implements CompositeBuilder {
 
     public Composite build(Composite composite, Definitions definitions, Monitor monitor)
         throws CompositeBuilderException {
-        // Clone the includes 
+
+        if (Composite.DOMAIN_COMPOSITE.equals(composite.getName())) {
+            // Try to avoid clone for top-level composites that are added to the domain composite
+            for (Composite included : composite.getIncludes()) {
+                cloneIncludes(included);
+            }
+        } else {
+            // Clone the includes 
+            cloneIncludes(composite);
+        }
+
+        cloneCompositeImplementations(composite);
+        return composite;
+    }
+
+    private void cloneIncludes(Composite composite) {
         List<Composite> includes = new ArrayList<Composite>();
         for (Composite included : composite.getIncludes()) {
             try {
@@ -53,9 +68,6 @@ public class CompositeCloneBuilderImpl implements CompositeBuilder {
         }
         composite.getIncludes().clear();
         composite.getIncludes().addAll(includes);
-
-        cloneCompositeImplementations(composite);
-        return composite;
     }
 
     public String getID() {
diff --git a/java/sca/modules/assembly/src/main/resources/assembly-validation-messages.properties b/java/sca/modules/assembly/src/main/resources/assembly-validation-messages.properties
index 4ef4101c37..05b36005a6 100644
--- a/java/sca/modules/assembly/src/main/resources/assembly-validation-messages.properties
+++ b/java/sca/modules/assembly/src/main/resources/assembly-validation-messages.properties
@@ -49,7 +49,6 @@ NoSCABindingAvailableForUnresolvedService = A local service cannot be found for
 NoMatchingBinding = Component reference {0} does not have a binding which matches the bindings of service {1}
 NoMatchingCallbackBinding = Component reference {0} does not have a callback binding which matches the callback bindings of service {1}
 ReferenceEndPointMixWithTarget = Composite {0} Component {1} Reference {2} must not specify endpoints using both target attribute and with binding uri attribute
-PolicyRelatedException = Policy Related Exception occured due to : {0}
 CompositeAlreadyIncluded = Composite {0} has already been included.
 ComponentReferenceMoreWire = Component reference {0} has more than one wires
 WireTargetNotFound = Wire target not found : {0}
@@ -66,4 +65,7 @@ IllegalCompositeIncusion = Local Composite {0} cannot include a non-local compos
 PropertySourceNotFound = The property source {0} for property {1} in component {2} cannot be resolved to a composite property
 PropertySourceValueInvalid = The property source {0} for property {1} in component {2} has an invalid value. It should start with $ followed by the name of a composite property
 PropertySourceXPathInvalid = The property source {0} for property {1} in component {2} has an invalid XPath expression. The following error was returned while processing the XPath expression: {3}
-PropertySourceXPathInvalid = The property file {0} for property {1} in component {2} is an invalid value. The following error was returned while processing the file name: {3}
\ No newline at end of file
+PropertySourceXPathInvalid = The property file {0} for property {1} in component {2} is an invalid value. The following error was returned while processing the file name: {3}
+PolicyRelatedException = Policy Related Exception occured due to : {0}
+IntentNotFound = Intent {0} is not defined in SCA definitions
+MutuallyExclusiveIntents = Intent {0} and {1} are mutually exclusive [POL40009]
\ No newline at end of file
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/CompositeContext.java b/java/sca/modules/core-spi/src/main/java/org/apache/tuscany/sca/context/CompositeContext.java
index 46643f643b..98a20d27d5 100644
--- a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/CompositeContext.java
+++ b/java/sca/modules/core-spi/src/main/java/org/apache/tuscany/sca/context/CompositeContext.java
@@ -17,7 +17,7 @@
  * under the License.    
  */
 
-package org.apache.tuscany.sca.core.context;
+package org.apache.tuscany.sca.context;
 
 import java.io.IOException;
 import java.io.Reader;
@@ -32,13 +32,12 @@ import org.apache.tuscany.sca.assembly.ComponentReference;
 import org.apache.tuscany.sca.assembly.ComponentService;
 import org.apache.tuscany.sca.assembly.Endpoint;
 import org.apache.tuscany.sca.core.ExtensionPointRegistry;
-import org.apache.tuscany.sca.core.assembly.CompositeActivator;
-import org.apache.tuscany.sca.core.invocation.ProxyFactory;
-import org.apache.tuscany.sca.core.invocation.ThreadMessageContext;
 import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
-import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
 import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.runtime.CompositeActivator;
+import org.apache.tuscany.sca.runtime.EndpointRegistry;
 import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentContext;
 import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
 import org.apache.tuscany.sca.runtime.RuntimeComponentService;
 import org.oasisopen.sca.ServiceRuntimeException;
@@ -161,7 +160,7 @@ public abstract class CompositeContext {
     public static CompositeActivator getCurrentCompositeActivator() {
         RuntimeComponent component = getCurrentComponent();
         if (component != null) {
-            ComponentContextExt context = (ComponentContextExt)component.getComponentContext();
+            RuntimeComponentContext context = component.getComponentContext();
             return context.getCompositeActivator();
         }
         return null;
@@ -208,15 +207,9 @@ public abstract class CompositeContext {
     public abstract ExtensionPointRegistry getExtensionPointRegistry();
 
     /**
-     * Get the java interface factory
+     * Get the EndpointRegistry
      * @return
      */
-    public abstract JavaInterfaceFactory getJavaInterfaceFactory();
-
-    /**
-     * Get the proxy factory
-     * @return
-     */
-    public abstract ProxyFactory getProxyFactory();
+    public abstract EndpointRegistry getEndpointRegistry();
 
 }
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/ThreadMessageContext.java b/java/sca/modules/core-spi/src/main/java/org/apache/tuscany/sca/context/ThreadMessageContext.java
index 13ce6510ae..d6237b7ce3 100644
--- a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/ThreadMessageContext.java
+++ b/java/sca/modules/core-spi/src/main/java/org/apache/tuscany/sca/context/ThreadMessageContext.java
@@ -16,9 +16,8 @@
  * specific language governing permissions and limitations
  * under the License.    
  */
-package org.apache.tuscany.sca.core.invocation;
+package org.apache.tuscany.sca.context;
 
-import org.apache.tuscany.sca.core.invocation.impl.MessageImpl;
 import org.apache.tuscany.sca.invocation.Message;
 
 /**
@@ -28,34 +27,11 @@ import org.apache.tuscany.sca.invocation.Message;
  */
 public final class ThreadMessageContext {
 
-    private static final ThreadLocal<Message> CONTEXT = new ThreadLocal<Message>() {
-        @Override
-        protected synchronized Message initialValue() {
-            //Message msg =  new MessageImpl();
-            // TODO - EPR - What to set as default?
-            //msg.setFrom(new EndpointReferenceImpl("/"));
-            return null;//msg;
-        }
-    };
+    private static final ThreadLocal<Message> CONTEXT = new ThreadLocal<Message>();
 
     private ThreadMessageContext() {
     }
 
-    /**
-     * Set the WorkContext for the current thread.
-     * The current work context is returned and must be restored after the invocation is complete.
-     * Typical usage would be:
-     * <pre>
-     *   WorkContext old = PojoWorkContextTunnel.setThreadWorkContext(newContext);
-     *   try {
-     *      ... invoke user code ...
-     *   } finally {
-     *     PojoWorkContextTunnel.setThreadWorkContext(old);
-     *   }
-     * </pre>
-     * @param context
-     * @return the current work context for the thread; this must be restored after the invocation is made
-     */
     public static Message setMessageContext(Message context) {
         Message old = CONTEXT.get();
         CONTEXT.set(context);
@@ -70,12 +46,12 @@ public final class ThreadMessageContext {
     public static Message getMessageContext() {
         return CONTEXT.get();
     }
-    
+
     /**
      * Removes and state from the current thread to ensure that
      * any associated classloaders can be GCd
      */
     public static void removeMessageContext() {
         CONTEXT.remove();
-    }    
+    }
 }
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/ActivationException.java b/java/sca/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/ActivationException.java
index c86c876075..b015891e93 100644
--- a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/ActivationException.java
+++ b/java/sca/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/ActivationException.java
@@ -16,7 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package org.apache.tuscany.sca.core.assembly;
+package org.apache.tuscany.sca.runtime;
 
 
 /**
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/CompositeActivator.java b/java/sca/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/CompositeActivator.java
index c8518650fb..a80a14f7f2 100644
--- a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/CompositeActivator.java
+++ b/java/sca/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/CompositeActivator.java
@@ -17,14 +17,11 @@
  * under the License.    
  */
 
-package org.apache.tuscany.sca.core.assembly;
+package org.apache.tuscany.sca.runtime;
 
 import org.apache.tuscany.sca.assembly.Component;
 import org.apache.tuscany.sca.assembly.Composite;
-import org.apache.tuscany.sca.core.context.CompositeContext;
-import org.apache.tuscany.sca.runtime.RuntimeComponent;
-import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
-import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+import org.apache.tuscany.sca.context.CompositeContext;
 
 /**
  * Start/stop a composite
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/EndpointSerializer.java b/java/sca/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/EndpointSerializer.java
index b9c9c7032b..c56869170a 100644
--- a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/EndpointSerializer.java
+++ b/java/sca/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/EndpointSerializer.java
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.apache.tuscany.sca.core.assembly;
+package org.apache.tuscany.sca.runtime;
 
 import java.io.IOException;
 
diff --git a/java/sca/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeComponentContext.java b/java/sca/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeComponentContext.java
index 236a143fb3..eadfccf064 100644
--- a/java/sca/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeComponentContext.java
+++ b/java/sca/modules/core-spi/src/main/java/org/apache/tuscany/sca/runtime/RuntimeComponentContext.java
@@ -25,6 +25,7 @@ import java.io.Writer;
 
 import org.apache.tuscany.sca.assembly.ComponentService;
 import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.context.CompositeContext;
 import org.apache.tuscany.sca.core.ExtensionPointRegistry;
 import org.oasisopen.sca.ComponentContext;
 import org.oasisopen.sca.ServiceReference;
@@ -102,4 +103,6 @@ public interface RuntimeComponentContext extends ComponentContext {
     <B> ServiceReference<B> createSelfReference(Class<B> businessInterface, ComponentService service);
     
     ExtensionPointRegistry getExtensionPointRegistry();
+    CompositeActivator getCompositeActivator();
+    CompositeContext getCompositeContext();
 }
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/CompositeActivatorImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/CompositeActivatorImpl.java
index 50db444c2a..fd0302829d 100644
--- a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/CompositeActivatorImpl.java
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/CompositeActivatorImpl.java
@@ -37,24 +37,18 @@ import org.apache.tuscany.sca.assembly.Implementation;
 import org.apache.tuscany.sca.assembly.Reference;
 import org.apache.tuscany.sca.assembly.Service;
 import org.apache.tuscany.sca.context.ComponentContextFactory;
+import org.apache.tuscany.sca.context.CompositeContext;
 import org.apache.tuscany.sca.context.ContextFactoryExtensionPoint;
-import org.apache.tuscany.sca.context.PropertyValueFactory;
-import org.apache.tuscany.sca.context.RequestContextFactory;
 import org.apache.tuscany.sca.core.ExtensionPointRegistry;
 import org.apache.tuscany.sca.core.FactoryExtensionPoint;
 import org.apache.tuscany.sca.core.UtilityExtensionPoint;
-import org.apache.tuscany.sca.core.assembly.ActivationException;
-import org.apache.tuscany.sca.core.assembly.CompositeActivator;
-import org.apache.tuscany.sca.core.context.CompositeContext;
 import org.apache.tuscany.sca.core.context.impl.CompositeContextImpl;
 import org.apache.tuscany.sca.core.invocation.ExtensibleWireProcessor;
-import org.apache.tuscany.sca.core.invocation.ProxyFactory;
 import org.apache.tuscany.sca.core.scope.ScopeContainer;
 import org.apache.tuscany.sca.core.scope.ScopeRegistry;
 import org.apache.tuscany.sca.core.scope.ScopedRuntimeComponent;
 import org.apache.tuscany.sca.interfacedef.InterfaceContract;
 import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper;
-import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
 import org.apache.tuscany.sca.invocation.MessageFactory;
 import org.apache.tuscany.sca.provider.BindingProviderFactory;
 import org.apache.tuscany.sca.provider.ImplementationProvider;
@@ -64,6 +58,8 @@ import org.apache.tuscany.sca.provider.PolicyProviderFactory;
 import org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint;
 import org.apache.tuscany.sca.provider.ReferenceBindingProvider;
 import org.apache.tuscany.sca.provider.ServiceBindingProvider;
+import org.apache.tuscany.sca.runtime.ActivationException;
+import org.apache.tuscany.sca.runtime.CompositeActivator;
 import org.apache.tuscany.sca.runtime.EndpointRegistry;
 import org.apache.tuscany.sca.runtime.RuntimeComponent;
 import org.apache.tuscany.sca.runtime.RuntimeComponentContext;
@@ -90,10 +86,6 @@ public class CompositeActivatorImpl implements CompositeActivator {
     private final ProviderFactoryExtensionPoint providerFactories;
 
     private final ComponentContextFactory componentContextFactory;
-    private final RequestContextFactory requestContextFactory;
-    private final ProxyFactory proxyFactory;
-    private final JavaInterfaceFactory javaInterfaceFactory;
-    private final PropertyValueFactory propertyValueFactory;
     private final EndpointRegistry endpointRegistry;
 
     private final CompositeContext compositeContext;
@@ -102,23 +94,19 @@ public class CompositeActivatorImpl implements CompositeActivator {
 
     public CompositeActivatorImpl(ExtensionPointRegistry extensionPoints) {
         this.extensionPoints = extensionPoints;
-        this.compositeContext = new CompositeContextImpl(extensionPoints);
+        UtilityExtensionPoint utilities = extensionPoints.getExtensionPoint(UtilityExtensionPoint.class);
+        this.endpointRegistry = utilities.getUtility(EndpointRegistry.class);
+        this.compositeContext = new CompositeContextImpl(extensionPoints, endpointRegistry);
         FactoryExtensionPoint factories = extensionPoints.getExtensionPoint(FactoryExtensionPoint.class);
         this.assemblyFactory = factories.getFactory(AssemblyFactory.class);
         this.messageFactory = factories.getFactory(MessageFactory.class);
-        UtilityExtensionPoint utilities = extensionPoints.getExtensionPoint(UtilityExtensionPoint.class);
         this.interfaceContractMapper = utilities.getUtility(InterfaceContractMapper.class);
         this.scopeRegistry = utilities.getUtility(ScopeRegistry.class);
         this.workScheduler = utilities.getUtility(WorkScheduler.class);
         this.wireProcessor = new ExtensibleWireProcessor(extensionPoints.getExtensionPoint(RuntimeWireProcessorExtensionPoint.class));
         this.providerFactories = extensionPoints.getExtensionPoint(ProviderFactoryExtensionPoint.class);
-        this.javaInterfaceFactory = compositeContext.getJavaInterfaceFactory();
-        this.propertyValueFactory = factories.getFactory(PropertyValueFactory.class);
         ContextFactoryExtensionPoint contextFactories = extensionPoints.getExtensionPoint(ContextFactoryExtensionPoint.class);
         this.componentContextFactory = contextFactories.getFactory(ComponentContextFactory.class);
-        this.requestContextFactory = contextFactories.getFactory(RequestContextFactory.class);
-        proxyFactory = compositeContext.getProxyFactory();
-        this.endpointRegistry = utilities.getUtility(EndpointRegistry.class);
     }
 
     //=========================================================================
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/EndpointSerializerImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/EndpointSerializerImpl.java
index f4cc957f26..c2fa113d5f 100644
--- a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/EndpointSerializerImpl.java
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/EndpointSerializerImpl.java
@@ -34,7 +34,7 @@ import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
 import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint;
 import org.apache.tuscany.sca.core.ExtensionPointRegistry;
 import org.apache.tuscany.sca.core.FactoryExtensionPoint;
-import org.apache.tuscany.sca.core.assembly.EndpointSerializer;
+import org.apache.tuscany.sca.runtime.EndpointSerializer;
 
 public class EndpointSerializerImpl implements EndpointSerializer {
     private XMLInputFactory inputFactory;
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/RuntimeEndpointImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/RuntimeEndpointImpl.java
index 3876776846..357d19091b 100644
--- a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/RuntimeEndpointImpl.java
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/RuntimeEndpointImpl.java
@@ -27,7 +27,7 @@ import java.io.ObjectOutput;
 import org.apache.tuscany.sca.assembly.impl.EndpointImpl;
 import org.apache.tuscany.sca.core.ExtensionPointRegistry;
 import org.apache.tuscany.sca.core.UtilityExtensionPoint;
-import org.apache.tuscany.sca.core.assembly.EndpointSerializer;
+import org.apache.tuscany.sca.runtime.EndpointSerializer;
 
 /**
  * Runtime model for Endpoint that supports java serialization
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/RuntimeEndpointReferenceImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/RuntimeEndpointReferenceImpl.java
index 5543ec1225..2b1c85b95a 100644
--- a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/RuntimeEndpointReferenceImpl.java
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/impl/RuntimeEndpointReferenceImpl.java
@@ -27,7 +27,7 @@ import java.io.ObjectOutput;
 import org.apache.tuscany.sca.assembly.impl.EndpointReferenceImpl;
 import org.apache.tuscany.sca.core.ExtensionPointRegistry;
 import org.apache.tuscany.sca.core.UtilityExtensionPoint;
-import org.apache.tuscany.sca.core.assembly.EndpointSerializer;
+import org.apache.tuscany.sca.runtime.EndpointSerializer;
 
 /**
  * Runtime model for Endpoint that supports java serialization
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/ComponentContextExt.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/ComponentContextExt.java
deleted file mode 100644
index 6db3af213d..0000000000
--- a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/ComponentContextExt.java
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- * 
- *   http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.    
- */
-
-package org.apache.tuscany.sca.core.context;
-
-import org.apache.tuscany.sca.core.assembly.CompositeActivator;
-import org.apache.tuscany.sca.runtime.RuntimeComponentContext;
-
-/**
- * Extended ComponentContext
- */
-public interface ComponentContextExt extends RuntimeComponentContext {
-    CompositeActivator getCompositeActivator();
-    CompositeContext getCompositeContext();
-}
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/ServiceReferenceExt.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/ServiceReferenceExt.java
index d590e0118c..9b60415132 100644
--- a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/ServiceReferenceExt.java
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/ServiceReferenceExt.java
@@ -20,14 +20,10 @@
 package org.apache.tuscany.sca.core.context;
 
 import java.io.Externalizable;
-import java.io.IOException;
 
-import javax.xml.stream.XMLStreamException;
 import javax.xml.stream.XMLStreamReader;
 
 import org.apache.tuscany.sca.assembly.EndpointReference;
-import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
-import org.apache.tuscany.sca.contribution.processor.ContributionWriteException;
 import org.apache.tuscany.sca.runtime.RuntimeWire;
 import org.oasisopen.sca.ServiceReference;
 
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/CallableReferenceImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/CallableReferenceImpl.java
index 86c3d2e199..d6a029cd55 100644
--- a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/CallableReferenceImpl.java
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/CallableReferenceImpl.java
@@ -42,22 +42,24 @@ import org.apache.tuscany.sca.assembly.EndpointReference;
 import org.apache.tuscany.sca.assembly.Service;
 import org.apache.tuscany.sca.assembly.builder.BindingBuilder;
 import org.apache.tuscany.sca.assembly.builder.BuilderExtensionPoint;
+import org.apache.tuscany.sca.context.CompositeContext;
 import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
 import org.apache.tuscany.sca.contribution.processor.ContributionWriteException;
 import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
 import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint;
 import org.apache.tuscany.sca.core.ExtensionPointRegistry;
 import org.apache.tuscany.sca.core.FactoryExtensionPoint;
-import org.apache.tuscany.sca.core.assembly.CompositeActivator;
 import org.apache.tuscany.sca.core.assembly.RuntimeAssemblyFactory;
 import org.apache.tuscany.sca.core.assembly.impl.ReferenceParametersImpl;
-import org.apache.tuscany.sca.core.context.ComponentContextExt;
-import org.apache.tuscany.sca.core.context.CompositeContext;
 import org.apache.tuscany.sca.core.context.ServiceReferenceExt;
 import org.apache.tuscany.sca.core.factory.ObjectCreationException;
+import org.apache.tuscany.sca.core.invocation.ExtensibleProxyFactory;
 import org.apache.tuscany.sca.core.invocation.ProxyFactory;
+import org.apache.tuscany.sca.core.invocation.ProxyFactoryExtensionPoint;
 import org.apache.tuscany.sca.interfacedef.Interface;
 import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+import org.apache.tuscany.sca.runtime.CompositeActivator;
 import org.apache.tuscany.sca.runtime.ReferenceParameters;
 import org.apache.tuscany.sca.runtime.RuntimeComponent;
 import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
@@ -200,7 +202,7 @@ public class CallableReferenceImpl<B> implements ServiceReferenceExt<B> {
             this.component = (RuntimeComponent)wire.getEndpointReference().getComponent();
             this.reference = (RuntimeComponentReference)wire.getEndpointReference().getReference();
             this.endpointReference = wire.getEndpointReference();
-            this.compositeActivator = ((ComponentContextExt)component.getComponentContext()).getCompositeActivator();
+            this.compositeActivator = component.getComponentContext().getCompositeActivator();
             initCallbackID();
         }
     }
@@ -415,9 +417,11 @@ public class CallableReferenceImpl<B> implements ServiceReferenceExt<B> {
                             return Thread.currentThread().getContextClassLoader();
                         }
                     });
+                    
                     javaInterface.setJavaClass(classLoader.loadClass(javaInterface.getName()));
-                    compositeActivator.getCompositeContext().getJavaInterfaceFactory()
-                        .createJavaInterface(javaInterface, javaInterface.getJavaClass());
+                    JavaInterfaceFactory javaInterfaceFactory = getJavaInterfaceFactory(compositeActivator);
+                    
+                    javaInterfaceFactory.createJavaInterface(javaInterface, javaInterface.getJavaClass());
                     //FIXME: If the interface needs XSDs to be loaded (e.g., for static SDO),
                     // this needs to be done here.  We usually search for XSDs in the current
                     // contribution at resolve time.  Is it possible to locate the current
@@ -434,14 +438,27 @@ public class CallableReferenceImpl<B> implements ServiceReferenceExt<B> {
                 }
             }
 
-            this.proxyFactory = compositeActivator.getCompositeContext().getProxyFactory();       
+            this.proxyFactory = getProxyFactory(this.compositeActivator);       
         } else if (compositeActivator == null) {
             this.compositeActivator = CompositeContext.getCurrentCompositeActivator();
             if (this.compositeActivator != null) {
-                this.proxyFactory = this.compositeActivator.getCompositeContext().getProxyFactory();
+                this.proxyFactory = getProxyFactory(this.compositeActivator);
             }
         }       
     }
+
+    private JavaInterfaceFactory getJavaInterfaceFactory(CompositeActivator activator) {
+        ExtensionPointRegistry extensionPointRegistry = activator.getCompositeContext().getExtensionPointRegistry();
+        FactoryExtensionPoint factories = extensionPointRegistry.getExtensionPoint(FactoryExtensionPoint.class);
+        JavaInterfaceFactory javaInterfaceFactory = factories.getFactory(JavaInterfaceFactory.class);
+        return javaInterfaceFactory;
+    }
+    
+    private ProxyFactory getProxyFactory(CompositeActivator activator) {
+        ExtensionPointRegistry extensionPointRegistry = activator.getCompositeContext().getExtensionPointRegistry();
+        ProxyFactoryExtensionPoint proxyFactories = extensionPointRegistry.getExtensionPoint(ProxyFactoryExtensionPoint.class);
+        return new ExtensibleProxyFactory(proxyFactories);
+    }
     
     // ==================================================================================
 
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/CallbackServiceReferenceImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/CallbackServiceReferenceImpl.java
index 31db699063..5218a7fd01 100644
--- a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/CallbackServiceReferenceImpl.java
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/CallbackServiceReferenceImpl.java
@@ -24,9 +24,9 @@ import java.util.List;
 import org.apache.tuscany.sca.assembly.Binding;
 import org.apache.tuscany.sca.assembly.Endpoint;
 import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.context.ThreadMessageContext;
 import org.apache.tuscany.sca.core.assembly.impl.RuntimeWireImpl;
 import org.apache.tuscany.sca.core.invocation.ProxyFactory;
-import org.apache.tuscany.sca.core.invocation.ThreadMessageContext;
 import org.apache.tuscany.sca.invocation.Message;
 import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
 import org.apache.tuscany.sca.runtime.RuntimeWire;
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/ComponentContextImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/ComponentContextImpl.java
index 21f907608c..fa8c1a4dfa 100644
--- a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/ComponentContextImpl.java
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/ComponentContextImpl.java
@@ -37,15 +37,13 @@ import org.apache.tuscany.sca.assembly.OptimizableBinding;
 import org.apache.tuscany.sca.assembly.Reference;
 import org.apache.tuscany.sca.assembly.Service;
 import org.apache.tuscany.sca.assembly.builder.EndpointReferenceBuilder;
+import org.apache.tuscany.sca.context.CompositeContext;
 import org.apache.tuscany.sca.context.ContextFactoryExtensionPoint;
 import org.apache.tuscany.sca.context.PropertyValueFactory;
 import org.apache.tuscany.sca.context.RequestContextFactory;
 import org.apache.tuscany.sca.core.ExtensionPointRegistry;
 import org.apache.tuscany.sca.core.FactoryExtensionPoint;
 import org.apache.tuscany.sca.core.UtilityExtensionPoint;
-import org.apache.tuscany.sca.core.assembly.CompositeActivator;
-import org.apache.tuscany.sca.core.context.ComponentContextExt;
-import org.apache.tuscany.sca.core.context.CompositeContext;
 import org.apache.tuscany.sca.core.invocation.ExtensibleProxyFactory;
 import org.apache.tuscany.sca.core.invocation.ProxyFactory;
 import org.apache.tuscany.sca.core.invocation.ProxyFactoryExtensionPoint;
@@ -57,7 +55,9 @@ import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
 import org.apache.tuscany.sca.monitor.Monitor;
 import org.apache.tuscany.sca.monitor.MonitorFactory;
 import org.apache.tuscany.sca.monitor.Problem;
+import org.apache.tuscany.sca.runtime.CompositeActivator;
 import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentContext;
 import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
 import org.apache.tuscany.sca.runtime.RuntimeComponentService;
 import org.oasisopen.sca.RequestContext;
@@ -70,7 +70,7 @@ import org.oasisopen.sca.ServiceRuntimeException;
  *
  * @version $Rev$ $Date$
  */
-public class ComponentContextImpl implements ComponentContextExt {
+public class ComponentContextImpl implements RuntimeComponentContext {
     private final RuntimeComponent component;
 
     private final CompositeActivator compositeActivator;
@@ -87,8 +87,11 @@ public class ComponentContextImpl implements ComponentContextExt {
         FactoryExtensionPoint factories = registry.getExtensionPoint(FactoryExtensionPoint.class);
         this.assemblyFactory = factories.getFactory(AssemblyFactory.class);
         this.javaInterfaceFactory = factories.getFactory(JavaInterfaceFactory.class);
+        
+        // FIXME: We need to have node-specific compositeActivator
         UtilityExtensionPoint utilities = registry.getExtensionPoint(UtilityExtensionPoint.class);
         this.compositeActivator = utilities.getUtility(CompositeActivator.class);
+        
         this.requestContextFactory =
             registry.getExtensionPoint(ContextFactoryExtensionPoint.class).getFactory(RequestContextFactory.class);
         this.proxyFactory = new ExtensibleProxyFactory(registry.getExtensionPoint(ProxyFactoryExtensionPoint.class));
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/CompositeContextImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/CompositeContextImpl.java
index 1fa976cfb7..b26861aa79 100644
--- a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/CompositeContextImpl.java
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/CompositeContextImpl.java
@@ -44,23 +44,23 @@ import org.apache.tuscany.sca.assembly.Multiplicity;
 import org.apache.tuscany.sca.assembly.OptimizableBinding;
 import org.apache.tuscany.sca.assembly.Reference;
 import org.apache.tuscany.sca.assembly.Service;
+import org.apache.tuscany.sca.context.CompositeContext;
+import org.apache.tuscany.sca.context.ThreadMessageContext;
 import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
 import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint;
 import org.apache.tuscany.sca.core.ExtensionPointRegistry;
 import org.apache.tuscany.sca.core.FactoryExtensionPoint;
-import org.apache.tuscany.sca.core.UtilityExtensionPoint;
-import org.apache.tuscany.sca.core.assembly.CompositeActivator;
-import org.apache.tuscany.sca.core.context.CompositeContext;
 import org.apache.tuscany.sca.core.invocation.ExtensibleProxyFactory;
 import org.apache.tuscany.sca.core.invocation.ProxyFactory;
 import org.apache.tuscany.sca.core.invocation.ProxyFactoryExtensionPoint;
-import org.apache.tuscany.sca.core.invocation.ThreadMessageContext;
 import org.apache.tuscany.sca.interfacedef.Interface;
 import org.apache.tuscany.sca.interfacedef.InterfaceContract;
 import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
 import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
 import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
 import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.runtime.CompositeActivator;
+import org.apache.tuscany.sca.runtime.EndpointRegistry;
 import org.apache.tuscany.sca.runtime.RuntimeComponent;
 import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
 import org.apache.tuscany.sca.runtime.RuntimeComponentService;
@@ -71,25 +71,27 @@ import org.oasisopen.sca.ServiceRuntimeException;
  */
 public class CompositeContextImpl extends CompositeContext {
     private final ExtensionPointRegistry extensionPointRegistry;
-    private final UtilityExtensionPoint utilityExtensionPoint;
+    private final EndpointRegistry endpointRegistry;
     private final AssemblyFactory assemblyFactory;
     private final JavaInterfaceFactory javaInterfaceFactory;
     private final StAXArtifactProcessorExtensionPoint staxProcessors;
     private final XMLInputFactory xmlInputFactory;
     private final XMLOutputFactory xmlOutputFactory;
-    private final ProxyFactory proxyFactory;
 
-    public CompositeContextImpl(ExtensionPointRegistry registry) {
+    public CompositeContextImpl(ExtensionPointRegistry registry, EndpointRegistry endpointRegistry) {
         this.extensionPointRegistry = registry;
-        this.utilityExtensionPoint = extensionPointRegistry.getExtensionPoint(UtilityExtensionPoint.class);
+        this.endpointRegistry = endpointRegistry;
         FactoryExtensionPoint factories = registry.getExtensionPoint(FactoryExtensionPoint.class);
         this.xmlInputFactory = factories.getFactory(XMLInputFactory.class);
         this.xmlOutputFactory = factories.getFactory(XMLOutputFactory.class);
         this.assemblyFactory = factories.getFactory(AssemblyFactory.class);
         this.javaInterfaceFactory = factories.getFactory(JavaInterfaceFactory.class);
         this.staxProcessors = registry.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class);
+    }
+
+    private ProxyFactory getProxyFactory() {
         ProxyFactoryExtensionPoint proxyFactories = extensionPointRegistry.getExtensionPoint(ProxyFactoryExtensionPoint.class);
-        this.proxyFactory = new ExtensibleProxyFactory(proxyFactories);
+        return new ExtensibleProxyFactory(proxyFactories);
     }
     
     /**
@@ -331,20 +333,8 @@ public class CompositeContextImpl extends CompositeContext {
         return extensionPointRegistry;
     }
 
-    /**
-     * Get the java interface factory
-     * @return
-     */
-    public JavaInterfaceFactory getJavaInterfaceFactory() {
-        return javaInterfaceFactory;
-    }
-
-    /**
-     * Get the proxy factory
-     * @return
-     */
-    public ProxyFactory getProxyFactory() {
-        return proxyFactory;
+    public EndpointRegistry getEndpointRegistry() {
+        return endpointRegistry;
     }
 
 }
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/RequestContextImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/RequestContextImpl.java
index a4ea709fa1..e8a1254dc9 100644
--- a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/RequestContextImpl.java
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/RequestContextImpl.java
@@ -23,11 +23,11 @@ import java.util.List;
 import javax.security.auth.Subject;
 
 import org.apache.tuscany.sca.assembly.Endpoint;
+import org.apache.tuscany.sca.context.ThreadMessageContext;
 import org.apache.tuscany.sca.core.ExtensionPointRegistry;
 import org.apache.tuscany.sca.core.invocation.ExtensibleProxyFactory;
 import org.apache.tuscany.sca.core.invocation.ProxyFactory;
 import org.apache.tuscany.sca.core.invocation.ProxyFactoryExtensionPoint;
-import org.apache.tuscany.sca.core.invocation.ThreadMessageContext;
 import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
 import org.apache.tuscany.sca.invocation.Message;
 import org.apache.tuscany.sca.runtime.RuntimeComponent;
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/ServiceReferenceImpl.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/ServiceReferenceImpl.java
index edd11aacc5..20b607ce74 100644
--- a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/ServiceReferenceImpl.java
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/context/impl/ServiceReferenceImpl.java
@@ -21,8 +21,8 @@ package org.apache.tuscany.sca.core.context.impl;
 import javax.xml.stream.XMLStreamReader;
 
 import org.apache.tuscany.sca.assembly.EndpointReference;
-import org.apache.tuscany.sca.core.assembly.CompositeActivator;
 import org.apache.tuscany.sca.core.invocation.ProxyFactory;
+import org.apache.tuscany.sca.runtime.CompositeActivator;
 import org.apache.tuscany.sca.runtime.RuntimeComponent;
 import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
 import org.apache.tuscany.sca.runtime.RuntimeWire;
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/NonBlockingInterceptor.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/NonBlockingInterceptor.java
index b08ded18c4..ec2f0a0664 100644
--- a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/NonBlockingInterceptor.java
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/NonBlockingInterceptor.java
@@ -26,6 +26,7 @@ import java.util.logging.Logger;
 
 import org.apache.tuscany.sca.assembly.Endpoint;
 import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.context.ThreadMessageContext;
 import org.apache.tuscany.sca.interfacedef.Operation;
 import org.apache.tuscany.sca.invocation.Interceptor;
 import org.apache.tuscany.sca.invocation.Invoker;
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/RuntimeWireInvoker.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/RuntimeWireInvoker.java
index 7901a7fa55..0b50cbb2d3 100644
--- a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/RuntimeWireInvoker.java
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/RuntimeWireInvoker.java
@@ -22,6 +22,7 @@ package org.apache.tuscany.sca.core.invocation;
 import java.lang.reflect.InvocationTargetException;
 
 import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.context.ThreadMessageContext;
 import org.apache.tuscany.sca.core.factory.InstanceWrapper;
 import org.apache.tuscany.sca.interfacedef.Operation;
 import org.apache.tuscany.sca.invocation.InvocationChain;
diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/impl/JDKInvocationHandler.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/impl/JDKInvocationHandler.java
index 5e36d724f5..148749922e 100644
--- a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/impl/JDKInvocationHandler.java
+++ b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/impl/JDKInvocationHandler.java
@@ -29,9 +29,9 @@ import java.util.Map;
 
 import org.apache.tuscany.sca.assembly.Endpoint;
 import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.context.ThreadMessageContext;
 import org.apache.tuscany.sca.core.context.ServiceReferenceExt;
 import org.apache.tuscany.sca.core.factory.InstanceWrapper;
-import org.apache.tuscany.sca.core.invocation.ThreadMessageContext;
 import org.apache.tuscany.sca.core.scope.TargetResolutionException;
 import org.apache.tuscany.sca.interfacedef.DataType;
 import org.apache.tuscany.sca.interfacedef.Operation;
diff --git a/java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.conversation.ConversationManager b/java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.conversation.ConversationManager
deleted file mode 100644
index 67cec934b4..0000000000
--- a/java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.conversation.ConversationManager
+++ /dev/null
@@ -1,18 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one

-# or more contributor license agreements.  See the NOTICE file

-# distributed with this work for additional information

-# regarding copyright ownership.  The ASF licenses this file

-# to you under the Apache License, Version 2.0 (the

-# "License"); you may not use this file except in compliance

-# with the License.  You may obtain a copy of the License at

-# 

-#   http://www.apache.org/licenses/LICENSE-2.0

-# 

-# Unless required by applicable law or agreed to in writing,

-# software distributed under the License is distributed on an

-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

-# KIND, either express or implied.  See the License for the

-# specific language governing permissions and limitations

-# under the License.

-

-org.apache.tuscany.sca.core.conversation.impl.ConversationManagerImpl

diff --git a/java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.assembly.CompositeActivator b/java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.runtime.CompositeActivator
index d5e13292d2..d5e13292d2 100644
--- a/java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.assembly.CompositeActivator
+++ b/java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.runtime.CompositeActivator
diff --git a/java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.assembly.EndpointSerializer b/java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.runtime.EndpointSerializer
index cc3306b325..cc3306b325 100644
--- a/java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.assembly.EndpointSerializer
+++ b/java/sca/modules/core/src/main/resources/META-INF/services/org.apache.tuscany.sca.runtime.EndpointSerializer
diff --git a/java/sca/modules/endpoint-wrapper/src/test/java/org/apace/tuscany/sca/binding/sca/EndpointTestCase.java b/java/sca/modules/endpoint-wrapper/src/test/java/org/apace/tuscany/sca/binding/sca/EndpointTestCase.java
index 79fd678922..51c02d544f 100644
--- a/java/sca/modules/endpoint-wrapper/src/test/java/org/apace/tuscany/sca/binding/sca/EndpointTestCase.java
+++ b/java/sca/modules/endpoint-wrapper/src/test/java/org/apace/tuscany/sca/binding/sca/EndpointTestCase.java
@@ -45,10 +45,10 @@ import org.apache.tuscany.sca.core.ExtensionPointRegistry;
 import org.apache.tuscany.sca.core.FactoryExtensionPoint;

 import org.apache.tuscany.sca.core.ModuleActivatorExtensionPoint;

 import org.apache.tuscany.sca.core.UtilityExtensionPoint;

-import org.apache.tuscany.sca.core.assembly.CompositeActivator;

 import org.apache.tuscany.sca.core.assembly.RuntimeAssemblyFactory;

 import org.apache.tuscany.sca.monitor.Monitor;

 import org.apache.tuscany.sca.monitor.MonitorFactory;

+import org.apache.tuscany.sca.runtime.CompositeActivator;

 import org.junit.Assert;

 import org.junit.BeforeClass;

 import org.junit.Ignore;

diff --git a/java/sca/modules/endpoint/src/main/java/org/apache/tuscany/sca/endpoint/impl/EndpointReferenceBuilderImpl.java b/java/sca/modules/endpoint/src/main/java/org/apache/tuscany/sca/endpoint/impl/EndpointReferenceBuilderImpl.java
index 58285d3e03..8fb02d40a3 100644
--- a/java/sca/modules/endpoint/src/main/java/org/apache/tuscany/sca/endpoint/impl/EndpointReferenceBuilderImpl.java
+++ b/java/sca/modules/endpoint/src/main/java/org/apache/tuscany/sca/endpoint/impl/EndpointReferenceBuilderImpl.java
@@ -33,8 +33,6 @@ import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper;
 import org.apache.tuscany.sca.monitor.Monitor;
 import org.apache.tuscany.sca.monitor.MonitorFactory;
 import org.apache.tuscany.sca.monitor.Problem;
-import org.apache.tuscany.sca.policy.Intent;
-import org.apache.tuscany.sca.policy.PolicySet;
 import org.apache.tuscany.sca.runtime.EndpointRegistry;
 
 /**
@@ -223,9 +221,15 @@ public class EndpointReferenceBuilderImpl implements EndpointReferenceBuilder {
         
         return problem;
     }
-    
+
+    // FIXME: [rfeng] This implementation is wrong. It is the responsibility of the policy language
+    // to compare the reference and service side setting to determine if they are compatible. Some of
+    // policies apply to the reference side only, some of the policies apply to the service side only, 
+    // while others apply to both sides. Even for those policies that apply to both side, they can be 
+    // independent or related. 
     private boolean haveMatchingPolicy(EndpointReference endpointReference, Endpoint endpoint){
         
+        /*
         // if no policy sets or intents are present then they match
         if ((endpointReference.getRequiredIntents().size() == 0) &&
             (endpoint.getRequiredIntents().size() == 0) &&
@@ -290,6 +294,7 @@ public class EndpointReferenceBuilderImpl implements EndpointReferenceBuilder {
                 return false;
             }
         }
+        */
         
         return true;
     }
diff --git a/java/sca/modules/endpoint/src/test/java/org/apace/tuscany/sca/binding/sca/EndpointTestCase.java b/java/sca/modules/endpoint/src/test/java/org/apace/tuscany/sca/binding/sca/EndpointTestCase.java
index 7faefefc24..12a915c5db 100644
--- a/java/sca/modules/endpoint/src/test/java/org/apace/tuscany/sca/binding/sca/EndpointTestCase.java
+++ b/java/sca/modules/endpoint/src/test/java/org/apace/tuscany/sca/binding/sca/EndpointTestCase.java
@@ -29,8 +29,8 @@ import javax.xml.stream.XMLOutputFactory;
 import org.apache.tuscany.sca.assembly.AssemblyFactory;
 import org.apache.tuscany.sca.assembly.ComponentReference;
 import org.apache.tuscany.sca.assembly.Composite;
-import org.apache.tuscany.sca.assembly.builder.CompositeBuilder;
 import org.apache.tuscany.sca.assembly.builder.BuilderExtensionPoint;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilder;
 import org.apache.tuscany.sca.contribution.Contribution;
 import org.apache.tuscany.sca.contribution.processor.ExtensibleStAXArtifactProcessor;
 import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
@@ -45,10 +45,10 @@ import org.apache.tuscany.sca.core.ExtensionPointRegistry;
 import org.apache.tuscany.sca.core.FactoryExtensionPoint;
 import org.apache.tuscany.sca.core.ModuleActivatorExtensionPoint;
 import org.apache.tuscany.sca.core.UtilityExtensionPoint;
-import org.apache.tuscany.sca.core.assembly.CompositeActivator;
 import org.apache.tuscany.sca.core.assembly.RuntimeAssemblyFactory;
 import org.apache.tuscany.sca.monitor.Monitor;
 import org.apache.tuscany.sca.monitor.MonitorFactory;
+import org.apache.tuscany.sca.runtime.CompositeActivator;
 import org.junit.Assert;
 import org.junit.BeforeClass;
 import org.junit.Ignore;
diff --git a/java/sca/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/ConversationIDObjectFactory.java b/java/sca/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/ConversationIDObjectFactory.java
index 4bf55e3a72..956225b9e6 100644
--- a/java/sca/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/ConversationIDObjectFactory.java
+++ b/java/sca/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/ConversationIDObjectFactory.java
@@ -18,8 +18,8 @@
  */
 package org.apache.tuscany.sca.implementation.java.injection;
 
+import org.apache.tuscany.sca.context.ThreadMessageContext;
 import org.apache.tuscany.sca.core.factory.ObjectFactory;
-import org.apache.tuscany.sca.core.invocation.ThreadMessageContext;
 
 /**
  * Object Factory that is used to retrieve the ConversationID from the
diff --git a/java/sca/modules/node-impl/META-INF/MANIFEST.MF b/java/sca/modules/node-impl/META-INF/MANIFEST.MF
index 11f988243c..4ec6d5c84d 100644
--- a/java/sca/modules/node-impl/META-INF/MANIFEST.MF
+++ b/java/sca/modules/node-impl/META-INF/MANIFEST.MF
@@ -25,6 +25,7 @@ Import-Package: javax.management,
  org.apache.tuscany.sca.assembly.xml;version="2.0.0",

  org.apache.tuscany.sca.common.java.io;version="2.0.0",

  org.apache.tuscany.sca.common.xml.stax;version="2.0.0",

+ org.apache.tuscany.sca.context;version="2.0.0",

  org.apache.tuscany.sca.contribution;version="2.0.0",

  org.apache.tuscany.sca.contribution.processor;version="2.0.0",

  org.apache.tuscany.sca.contribution.resolver;version="2.0.0",

diff --git a/java/sca/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeFactoryImpl.java b/java/sca/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeFactoryImpl.java
index 54277a5fc6..7978f9c256 100644
--- a/java/sca/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeFactoryImpl.java
+++ b/java/sca/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeFactoryImpl.java
@@ -541,7 +541,7 @@ public class NodeFactoryImpl extends NodeFactory {
         // Create a top level composite to host our composite
         // This is temporary to make the activator happy
         Composite domainComposite = assemblyFactory.createComposite();
-        domainComposite.setName(new QName(Base.SCA11_NS, ""));
+        domainComposite.setName(Composite.DOMAIN_COMPOSITE);
         domainComposite.setURI(Base.SCA11_NS);
 
         for (Contribution contribution : contributions) {
diff --git a/java/sca/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeImpl.java b/java/sca/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeImpl.java
index fa9c2dcc1f..cd279f9fcd 100644
--- a/java/sca/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeImpl.java
+++ b/java/sca/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeImpl.java
@@ -37,20 +37,20 @@ import org.apache.tuscany.sca.assembly.Endpoint;
 import org.apache.tuscany.sca.assembly.Implementation;
 import org.apache.tuscany.sca.assembly.Service;
 import org.apache.tuscany.sca.common.java.io.IOHelper;
+import org.apache.tuscany.sca.context.ThreadMessageContext;
 import org.apache.tuscany.sca.contribution.Contribution;
 import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
 import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint;
 import org.apache.tuscany.sca.core.ExtensionPointRegistry;
 import org.apache.tuscany.sca.core.UtilityExtensionPoint;
-import org.apache.tuscany.sca.core.assembly.ActivationException;
-import org.apache.tuscany.sca.core.assembly.CompositeActivator;
 import org.apache.tuscany.sca.core.invocation.ProxyFactory;
-import org.apache.tuscany.sca.core.invocation.ThreadMessageContext;
 import org.apache.tuscany.sca.node.Client;
 import org.apache.tuscany.sca.node.Node;
 import org.apache.tuscany.sca.node.NodeFinder;
 import org.apache.tuscany.sca.node.configuration.NodeConfiguration;
 import org.apache.tuscany.sca.node.management.NodeManager;
+import org.apache.tuscany.sca.runtime.ActivationException;
+import org.apache.tuscany.sca.runtime.CompositeActivator;
 import org.apache.tuscany.sca.runtime.RuntimeComponent;
 import org.apache.tuscany.sca.runtime.RuntimeComponentContext;
 import org.apache.tuscany.sca.runtime.RuntimeComponentService;