1 files changed, 187 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-bpel-runtime/src/main/java/org/apache/tuscany/sca/implementation/bpel/ode/provider/BPELImplementationProvider.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-bpel-runtime/src/main/java/org/apache/tuscany/sca/implementation/bpel/ode/provider/BPELImplementationProvider.java
new file mode 100644
index 0000000000..b3824bffe1
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-bpel-runtime/src/main/java/org/apache/tuscany/sca/implementation/bpel/ode/provider/BPELImplementationProvider.java
@@ -0,0 +1,187 @@
+/*
+ * 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.implementation.bpel.ode.provider;
+
+import java.io.File;
+import java.net.URI;
+
+import javax.transaction.TransactionManager;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.ode.dao.jpa.ProcessDAOImpl;
+import org.apache.openjpa.persistence.PersistenceProviderImpl;
+import org.apache.tuscany.sca.assembly.Endpoint;
+import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.assembly.Reference;
+import org.apache.tuscany.sca.assembly.Service;
+import org.apache.tuscany.sca.databinding.xml.DOMDataBinding;
+import org.apache.tuscany.sca.extensibility.ClassLoaderContext;
+import org.apache.tuscany.sca.implementation.bpel.BPELImplementation;
+import org.apache.tuscany.sca.implementation.bpel.ode.EmbeddedODEServer;
+import org.apache.tuscany.sca.implementation.bpel.ode.ODEDeployment;
+import org.apache.tuscany.sca.implementation.bpel.ode.ODEInitializationException;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.provider.ImplementationProvider;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+import org.apache.tuscany.sca.runtime.RuntimeEndpoint;
+import org.apache.tuscany.sca.runtime.RuntimeEndpointReference;
+
+/**
+ * BPEL Implementation provider
+ *
+ * @version $Rev$ $Date$
+ */
+public class BPELImplementationProvider implements ImplementationProvider {
+    private final Log __log = LogFactory.getLog(getClass());
+
+    private RuntimeComponent component;
+    private BPELImplementation implementation;
+
+    private EmbeddedODEServer odeServer;
+    private TransactionManager txMgr;
+    
+    private ODEDeployment deployment;
+
+    /**
+     * Constructs a new BPEL Implementation.
+     */
+    public BPELImplementationProvider(RuntimeComponent component,
+                                      BPELImplementation implementation,
+                                      EmbeddedODEServer odeServer,
+                                      TransactionManager txMgr) {
+        this.component = component;
+        this.implementation = implementation;
+        this.odeServer = odeServer;
+        this.txMgr = txMgr;
+
+        // Configure the service and reference interfaces to use a DOM databinding
+        // as it's what ODE expects
+        for(Service service: implementation.getServices() ){
+            service.getInterfaceContract().getInterface().resetDataBinding(DOMDataBinding.NAME);
+        } // end for
+        
+        for(Reference reference: implementation.getReferences() ) {
+            reference.getInterfaceContract().getInterface().resetDataBinding(DOMDataBinding.NAME);
+        } // end for
+
+       for (Service service: component.getServices()) {
+        	//TODO - MJE, 06/06/2009 - we can eventually remove the reset of the service interface
+        	// contract and leave it to the Endpoints only
+            service.getInterfaceContract().getInterface().resetDataBinding(DOMDataBinding.NAME);
+            for( Endpoint endpoint : service.getEndpoints() ) {
+                RuntimeEndpoint ep = (RuntimeEndpoint) endpoint;
+                if (ep.getComponentTypeServiceInterfaceContract() != null) {
+                    ep.getComponentTypeServiceInterfaceContract().getInterface().resetDataBinding(DOMDataBinding.NAME);
+                }
+            } // end for
+        } // end for
+
+        for (Reference reference : component.getReferences()) {
+            reference.getInterfaceContract().getInterface().resetDataBinding(DOMDataBinding.NAME);
+            for (EndpointReference endpointReference : reference.getEndpointReferences()) {
+                RuntimeEndpointReference epr = (RuntimeEndpointReference)endpointReference;
+                if (epr.getComponentTypeReferenceInterfaceContract() != null) {
+                    epr.getComponentTypeReferenceInterfaceContract().getInterface().resetDataBinding(DOMDataBinding.NAME);
+                }
+            } // end for */
+        } // end for
+
+    }
+
+    public Invoker createInvoker(RuntimeComponentService service, Operation operation) {
+        BPELInvoker invoker = new BPELInvoker(component, service, operation, odeServer, txMgr);
+        return invoker;
+    }
+
+    public boolean supportsOneWayInvocation() {
+        return false;
+    }
+
+    public void start() {
+        if(__log.isInfoEnabled()) {
+            __log.info("Starting " + component.getName());
+        } // end if
+        
+		// Switch TCCL - use a classloader that can find classes related to the non-OSGi services
+        // referenced from the implementation-bpel module which include the Persistence provider (OpenJPA) and
+        // the JPA DAO implementation contained in the ODE project
+    	ClassLoader tccl = ClassLoaderContext.setContextClassLoader(EmbeddedODEServer.class.getClassLoader(),
+    			              PersistenceProviderImpl.class.getClassLoader(),
+           					  ProcessDAOImpl.class.getClassLoader() );
+
+        try {
+    		if (!odeServer.isInitialized()) {
+                // start ode server
+                odeServer.init();
+            }
+
+            String location = this.implementation.getProcessDefinition().getLocation();
+            URI deployURI = new URI(null, location, null);
+
+            File deploymentDir = new File(deployURI).getParentFile();
+
+            if(__log.isInfoEnabled()) {
+                __log.info(">>> Deploying : " + deploymentDir.toString());
+            }
+
+            // Deploy the BPEL process
+            if (odeServer.isInitialized()) {
+            	deployment = new ODEDeployment( deploymentDir );
+                try {
+                    odeServer.registerTuscanyRuntimeComponent(implementation.getProcess(), component);
+
+                    odeServer.deploy(deployment, implementation, component );
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+            }
+
+        } catch (ODEInitializationException inite) {
+            throw new RuntimeException("BPEL Component Type Implementation : Error initializing embedded ODE server " + inite.getMessage(), inite);
+        } catch(Exception e) {
+            throw new RuntimeException("BPEL Component Type Implementation initialization failure : " + e.getMessage(), e);
+        } finally {
+            // Restore the TCCL if we changed it
+            if( tccl != null ) Thread.currentThread().setContextClassLoader(tccl);
+        } // end try
+    } // end method start()
+
+    public void stop() {
+        if(__log.isInfoEnabled()) {
+            __log.info("Stopping " + component.getName());
+        }
+
+        odeServer.undeploy(deployment);
+        
+        if (odeServer.isInitialized()) {
+            // stop ode server
+            odeServer.stop();
+        }
+
+        txMgr = null;
+
+        if(__log.isInfoEnabled()) {
+            __log.info("Stopped !!!");
+        }
+    } // end method stop()
+
+}