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/*
* 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()
}
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