diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0-Beta2-RC1/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/impl/JDKCallbackInvocationHandler.java')
-rw-r--r-- | sca-java-2.x/tags/2.0-Beta2-RC1/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/impl/JDKCallbackInvocationHandler.java | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta2-RC1/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/impl/JDKCallbackInvocationHandler.java b/sca-java-2.x/tags/2.0-Beta2-RC1/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/impl/JDKCallbackInvocationHandler.java deleted file mode 100644 index 9b51aefe39..0000000000 --- a/sca-java-2.x/tags/2.0-Beta2-RC1/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/impl/JDKCallbackInvocationHandler.java +++ /dev/null @@ -1,137 +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.invocation.impl; - -import java.lang.reflect.InvocationTargetException; -import java.lang.reflect.Method; - -import org.apache.tuscany.sca.context.ThreadMessageContext; -import org.apache.tuscany.sca.core.context.impl.CallbackServiceReferenceImpl; -import org.apache.tuscany.sca.core.invocation.Constants; -import org.apache.tuscany.sca.interfacedef.Operation; -import org.apache.tuscany.sca.invocation.InvocationChain; -import org.apache.tuscany.sca.invocation.Invoker; -import org.apache.tuscany.sca.invocation.Message; -import org.apache.tuscany.sca.invocation.MessageFactory; -import org.apache.tuscany.sca.runtime.Invocable; -import org.apache.tuscany.sca.runtime.RuntimeEndpointReference; -import org.oasisopen.sca.ServiceReference; -import org.oasisopen.sca.ServiceRuntimeException; - -/** - * Responsible for dispatching to a callback through a wire. <p/> TODO cache - * target invoker - * - * @version $Rev$ $Date$ - */ -public class JDKCallbackInvocationHandler extends JDKInvocationHandler { - private static final long serialVersionUID = -3350283555825935609L; - - public JDKCallbackInvocationHandler(MessageFactory messageFactory, ServiceReference<?> ref) { - super(messageFactory, ref); - this.fixedWire = false; - } - - @Override - @SuppressWarnings( {"unchecked", "rawtypes"}) - public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { - - if (Object.class == method.getDeclaringClass()) { - return invokeObjectMethod(method, args); - } - - // obtain a dedicated wire to be used for this callback invocation - RuntimeEndpointReference wire = ((CallbackServiceReferenceImpl)callableReference).getCallbackEPR(); - if (wire == null) { - //FIXME: need better exception - throw new ServiceRuntimeException("No callback wire found"); - } - - setEndpoint(((CallbackServiceReferenceImpl)callableReference).getResolvedEndpoint()); - - InvocationChain chain = getInvocationChain(method, wire); - if (chain == null) { - throw new IllegalArgumentException("No matching operation is found: " + method); - } - - try { - String msgID = ((CallbackServiceReferenceImpl)callableReference).getMsgID(); - return invoke(chain, args, wire, msgID ); - } catch (InvocationTargetException e) { - Throwable t = e.getCause(); - throw t; - } finally { - // allow the cloned wire to be reused by subsequent callbacks - } - } - - /** - * Invoke the chain - * @param chain - the chain - * @param args - arguments to the invocation as an array of Objects - * @param source - the Endpoint or EndpointReference to which the chain relates - * @param msgID - ID of the message to which this invovation is a callback - ID ends up in "RELATES_TO" header - * @return - the Response message from the invocation - * @throws Throwable - if any exception occurs during the invocation - */ - @Override - protected Object invoke(InvocationChain chain, Object[] args, Invocable source, String msgID) - throws Throwable { - Message msg = messageFactory.createMessage(); - if (source instanceof RuntimeEndpointReference) { - msg.setFrom((RuntimeEndpointReference)source); - } - if (target != null) { - msg.setTo(target); - } else { - if (source instanceof RuntimeEndpointReference) { - msg.setTo(((RuntimeEndpointReference)source).getTargetEndpoint()); - } - } - Invoker headInvoker = chain.getHeadInvoker(); - Operation operation = chain.getTargetOperation(); - msg.setOperation(operation); - msg.setBody(args); - - Message msgContext = ThreadMessageContext.getMessageContext(); - - // Deal with header information that needs to be copied from the message context to the new message... - transferMessageHeaders( msg, msgContext); - - ThreadMessageContext.setMessageContext(msg); - - // If there is a supplied message ID, place its value into the Message Header under "RELATES_TO" - if( msgID != null ){ - msg.getHeaders().put(Constants.RELATES_TO, msgID); - } // end if - - try { - // dispatch the source down the chain and get the response - Message resp = headInvoker.invoke(msg); - Object body = resp.getBody(); - if (resp.isFault()) { - throw (Throwable)body; - } - return body; - } finally { - ThreadMessageContext.setMessageContext(msgContext); - } - } // end method invoke - -} |