Intial cut at changing the jms binding to use the jms host for the service listener

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@738502 13f79535-47bb-0310-9956-ffa450edef68

2 files changed, 21 insertions, 176 deletions

diff --git a/branches/sca-java-1.x/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSBindingProviderFactory.java b/branches/sca-java-1.x/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSBindingProviderFactory.java
index a96e53d9e1..c9a11dc41e 100644
--- a/branches/sca-java-1.x/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSBindingProviderFactory.java
+++ b/branches/sca-java-1.x/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSBindingProviderFactory.java
@@ -21,14 +21,14 @@ package org.apache.tuscany.sca.binding.jms.provider;
 
 import org.apache.tuscany.sca.binding.jms.impl.JMSBinding;
 import org.apache.tuscany.sca.core.ExtensionPointRegistry;
-import org.apache.tuscany.sca.core.UtilityExtensionPoint;
+import org.apache.tuscany.sca.host.jms.JMSHostExtensionPoint;
+import org.apache.tuscany.sca.host.jms.JMSServiceListenerFactory;
 import org.apache.tuscany.sca.provider.BindingProviderFactory;
 import org.apache.tuscany.sca.provider.ReferenceBindingProvider;
 import org.apache.tuscany.sca.provider.ServiceBindingProvider;
 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.work.WorkScheduler;
 
 /**
  * A factory from creating the JMS binding provider.
@@ -37,20 +37,21 @@ import org.apache.tuscany.sca.work.WorkScheduler;
  */
 public class JMSBindingProviderFactory implements BindingProviderFactory<JMSBinding> {
 
-    private WorkScheduler workScheduler;
     private ExtensionPointRegistry extensionPoints;
     private JMSResourceFactoryExtensionPoint jmsRFEP;
+    private JMSServiceListenerFactory serviceListenerFactory;
 
     public JMSBindingProviderFactory(ExtensionPointRegistry extensionPoints) {
         this.extensionPoints = extensionPoints;
-        UtilityExtensionPoint utilities = extensionPoints.getExtensionPoint(UtilityExtensionPoint.class);
-        workScheduler = utilities.getUtility(WorkScheduler.class);
 
         jmsRFEP = (JMSResourceFactoryExtensionPoint)extensionPoints.getExtensionPoint(JMSResourceFactoryExtensionPoint.class);
         if (jmsRFEP == null) {
             jmsRFEP = new DefaultJMSResourceFactoryExtensionPoint();
             extensionPoints.addExtensionPoint(jmsRFEP);
         }
+
+        JMSHostExtensionPoint jmsHostExtensionPoint = (JMSHostExtensionPoint)extensionPoints.getExtensionPoint(JMSHostExtensionPoint.class);
+        serviceListenerFactory = jmsHostExtensionPoint.getJMSServiceListenerFactory();
     }
 
     public ReferenceBindingProvider createReferenceBindingProvider(RuntimeComponent component, RuntimeComponentReference reference, JMSBinding binding) {
@@ -60,7 +61,7 @@ public class JMSBindingProviderFactory implements BindingProviderFactory<JMSBind
 
     public ServiceBindingProvider createServiceBindingProvider(RuntimeComponent component, RuntimeComponentService service, JMSBinding binding) {
         JMSResourceFactory jmsRF = jmsRFEP.createJMSResourceFactory(binding);
-        return new JMSBindingServiceBindingProvider(component, service, binding, binding, workScheduler, extensionPoints, jmsRF);
+        return new JMSBindingServiceBindingProvider(component, service, binding, binding, serviceListenerFactory, extensionPoints, jmsRF);
     }
 
     public Class<JMSBinding> getModelType() {
diff --git a/branches/sca-java-1.x/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSBindingServiceBindingProvider.java b/branches/sca-java-1.x/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSBindingServiceBindingProvider.java
index 0aabc9a7a5..dd0a2c0b3e 100644
--- a/branches/sca-java-1.x/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSBindingServiceBindingProvider.java
+++ b/branches/sca-java-1.x/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSBindingServiceBindingProvider.java
@@ -19,18 +19,13 @@
 
 package org.apache.tuscany.sca.binding.jms.provider;
 
-import java.util.logging.Level;
 import java.util.logging.Logger;
 
 import javax.jms.Destination;
 import javax.jms.JMSException;
-import javax.jms.Message;
-import javax.jms.MessageConsumer;
 import javax.jms.MessageListener;
 import javax.jms.Queue;
-import javax.jms.Session;
 import javax.jms.Topic;
-import javax.naming.NamingException;
 
 import org.apache.tuscany.sca.assembly.Binding;
 import org.apache.tuscany.sca.binding.jms.impl.JMSBinding;
@@ -39,6 +34,8 @@ import org.apache.tuscany.sca.binding.jms.impl.JMSBindingException;
 import org.apache.tuscany.sca.binding.jms.transport.TransportServiceInterceptor;
 import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;
 import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.host.jms.JMSServiceListener;
+import org.apache.tuscany.sca.host.jms.JMSServiceListenerFactory;
 import org.apache.tuscany.sca.interfacedef.InterfaceContract;
 import org.apache.tuscany.sca.invocation.InvocationChain;
 import org.apache.tuscany.sca.invocation.MessageFactory;
@@ -52,7 +49,6 @@ import org.apache.tuscany.sca.provider.WireFormatProviderFactory;
 import org.apache.tuscany.sca.runtime.RuntimeComponent;
 import org.apache.tuscany.sca.runtime.RuntimeComponentService;
 import org.apache.tuscany.sca.runtime.RuntimeWire;
-import org.apache.tuscany.sca.work.WorkScheduler;
 
 /**
  * Implementation of the JMS service binding provider.
@@ -66,11 +62,8 @@ public class JMSBindingServiceBindingProvider implements ServiceBindingProviderR
     private Binding targetBinding;
     private JMSBinding jmsBinding;
     private JMSResourceFactory jmsResourceFactory;
-    private MessageConsumer consumer;
-    private WorkScheduler workScheduler;
-    private boolean running;
-
-    private Destination destination;
+    private JMSServiceListenerFactory serviceListenerFactory;
+    private JMSServiceListener serviceListener;
 
     private ExtensionPointRegistry extensionPoints;
 
@@ -92,11 +85,11 @@ public class JMSBindingServiceBindingProvider implements ServiceBindingProviderR
     private WireFormatProviderFactory responseWireFormatProviderFactory;
     private WireFormatProvider responseWireFormatProvider;
 
-    public JMSBindingServiceBindingProvider(RuntimeComponent component, RuntimeComponentService service, Binding targetBinding, JMSBinding binding, WorkScheduler workScheduler, ExtensionPointRegistry extensionPoints, JMSResourceFactory jmsResourceFactory) {
+    public JMSBindingServiceBindingProvider(RuntimeComponent component, RuntimeComponentService service, Binding targetBinding, JMSBinding binding, JMSServiceListenerFactory serviceListenerFactory, ExtensionPointRegistry extensionPoints, JMSResourceFactory jmsResourceFactory) {
         this.component = component;
         this.service = service;
         this.jmsBinding = binding;
-        this.workScheduler = workScheduler;
+        this.serviceListenerFactory = serviceListenerFactory;
         this.targetBinding = targetBinding;
         this.extensionPoints = extensionPoints;
         this.jmsResourceFactory = jmsResourceFactory;
@@ -143,176 +136,27 @@ public class JMSBindingServiceBindingProvider implements ServiceBindingProviderR
     }
 
     public void start() {
-        this.running = true;
-
         try {
-            registerListerner();
+
+            MessageListener listener = new RRBJMSBindingListener(jmsBinding, jmsResourceFactory, service, targetBinding, messageFactory);
+            this.serviceListener = serviceListenerFactory.createJMSServiceListener(service.getName(), service.isCallback(), jmsBinding, listener);
+            serviceListener.start();
+            
         } catch (Exception e) {
             throw new JMSBindingException("Error starting JMSServiceBinding", e);
         }
     }
 
     public void stop() {
-        this.running = false;
         try {
-            consumer.close();
-            jmsResourceFactory.closeConnection();
+            serviceListener.stop();
         } catch (Exception e) {
-            // if using an embedded broker then when shutting down Tuscany the broker may get closed
-            // before this stop method is called. I can't see how to detect that so for now just
-            // ignore the exception if the message is that the transport is already disposed
-            if (!"Transport disposed.".equals(e.getMessage())) {
-                throw new JMSBindingException("Error stopping JMSServiceBinding", e);
-            }
-        }
-    }
-
-    private void registerListerner() throws NamingException, JMSException {
-
-        Session session = jmsResourceFactory.createSession();
-        destination = lookupDestinationQueue();
-        if (destination == null) {
-            destination = session.createTemporaryQueue();
-        }
-
-        if (jmsBinding.getJMSSelector() != null) {
-            consumer = session.createConsumer(destination, jmsBinding.getJMSSelector());
-        } else {
-            consumer = session.createConsumer(destination);
-        }
-
-        MessageListener tmpListener = null;
-        
-        /*
-         * TODO turn on RRB version of JMS binding
-         */
-        tmpListener = new RRBJMSBindingListener(jmsBinding, jmsResourceFactory, service, targetBinding, messageFactory);
-        //tmpListener = new DefaultJMSBindingListener(jmsBinding, jmsResourceFactory, service, targetBinding);
-    
-        final MessageListener listener = tmpListener;
-        
-        try {
-
-            consumer.setMessageListener(listener);
-            jmsResourceFactory.startConnection();
-
-        } catch (javax.jms.IllegalStateException e) {
-
-            // setMessageListener not allowed in JEE container so use Tuscany threads
-
-            jmsResourceFactory.startConnection();
-            workScheduler.scheduleWork(new Runnable() {
-                public void run() {
-                    try {
-                        while (running) {
-                            final Message msg = consumer.receive();
-                            workScheduler.scheduleWork(new Runnable() {
-                                public void run() {
-                                    try {
-                                        listener.onMessage(msg);
-                                    } catch (Exception e) {
-                                        e.printStackTrace();
-                                    }
-                                }
-                            });
-                        }
-                    } catch (Exception e) {
-                        e.printStackTrace();
-                    }
-                }
-            });
+            throw new JMSBindingException("Error stopping JMSServiceBinding", e);
         }
-        logger.log(Level.INFO, "JMS " + (service.isCallback() ? "callback service" : "service")
-            + " '"
-            + service.getName()
-            + "' listening on destination "
-            + ((destination instanceof Queue) ? ((Queue)destination).getQueueName() : ((Topic)destination).getTopicName()));
-    }
-
-    /**
-     * Looks up the Destination Queue for the JMS Binding.
-     * <p>
-     * What happens in the look up will depend on the create mode specified for the JMS Binding:
-     * <ul>
-     * <li>always - the JMS queue is always created. It is an error if the queue already exists
-     * <li>ifnotexist - the JMS queue is created if it does not exist. It is not an error if the queue already exists
-     * <li>never - the JMS queue is never created. It is an error if the queue does not exist
-     * </ul>
-     * See the SCA JMS Binding specification for more information.
-     * <p>
-     * 
-     * @return The Destination queue.
-     * @throws NamingException Failed to lookup JMS queue
-     * @throws JMSBindingException Failed to lookup JMS Queue. Probable cause is that the JMS queue's current existence/non-existence is not
-     *                 compatible with the create mode specified on the binding
-     */
-    private Destination lookupDestinationQueue() throws NamingException, JMSBindingException {
-
-        if (service.isCallback() && JMSBindingConstants.DEFAULT_DESTINATION_NAME.equals(jmsBinding.getDestinationName())) {
-            // if its a callback service returning null indicates to use a temporary queue
-            return null;
-        }
-
-        Destination destination = jmsResourceFactory.lookupDestination(jmsBinding.getDestinationName());
-
-        String qCreateMode = jmsBinding.getDestinationCreate();
-        if (qCreateMode.equals(JMSBindingConstants.CREATE_ALWAYS)) {
-            // In this mode, the queue must not already exist as we are creating it
-            if (destination != null) {
-                throw new JMSBindingException("JMS Destination " + jmsBinding.getDestinationName()
-                    + " already exists but has create mode of \""
-                    + qCreateMode
-                    + "\" while registering service "
-                    + service.getName()
-                    + " listener");
-            }
-
-            // Create the queue
-            destination = jmsResourceFactory.createDestination(jmsBinding.getDestinationName());
-
-        } else if (qCreateMode.equals(JMSBindingConstants.CREATE_IF_NOT_EXIST)) {
-            // In this mode, the queue may nor may not exist. It will be created if it does not exist
-            if (destination == null) {
-                destination = jmsResourceFactory.createDestination(jmsBinding.getDestinationName());
-            }
-
-        } else if (qCreateMode.equals(JMSBindingConstants.CREATE_NEVER)) {
-            // In this mode, the queue must have already been created.
-            if (destination == null) {
-                throw new JMSBindingException("JMS Destination " + jmsBinding.getDestinationName()
-                    + " not found but create mode of \""
-                    + qCreateMode
-                    + "\" while registering service "
-                    + service.getName()
-                    + " listener");
-            }
-        }
-
-        // Make sure we ended up with a queue
-        if (destination == null) {
-            throw new JMSBindingException("JMS Destination " + jmsBinding.getDestinationName()
-                + " not found with create mode of \""
-                + qCreateMode
-                + "\" while registering service "
-                + service.getName()
-                + " listener");
-        }
-
-        return destination;
     }
 
     public String getDestinationName() {
-        try {
-            if (destination instanceof Queue) {
-                return ((Queue)destination).getQueueName();
-            } else if (destination instanceof Topic) {
-                return ((Topic)destination).getTopicName();
-            } else {
-                return null;
-            }
-        } catch (JMSException e) {
-            throw new JMSBindingException(e);
-        }
+        return serviceListener.getDestinationName();
     }
     
     /*