diff options
author | jsdelfino <jsdelfino@13f79535-47bb-0310-9956-ffa450edef68> | 2010-08-29 02:55:29 +0000 |
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committer | jsdelfino <jsdelfino@13f79535-47bb-0310-9956-ffa450edef68> | 2010-08-29 02:55:29 +0000 |
commit | 88bf2a256b02e1858993bf097f4dc743d389e3f0 (patch) | |
tree | 298073eb40da33624a95f820e576e049c279e463 /sandbox/sebastien/java/extend/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/impl/JDKCallbackInvocationHandler.java | |
parent | 490374326cf57b0161d053aea3a9f0cedd7d2228 (diff) |
Sandbox to experiment and extend the runtime.
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@990479 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sandbox/sebastien/java/extend/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/impl/JDKCallbackInvocationHandler.java')
-rw-r--r-- | sandbox/sebastien/java/extend/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/impl/JDKCallbackInvocationHandler.java | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/sandbox/sebastien/java/extend/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/impl/JDKCallbackInvocationHandler.java b/sandbox/sebastien/java/extend/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/impl/JDKCallbackInvocationHandler.java new file mode 100644 index 0000000000..168af952db --- /dev/null +++ b/sandbox/sebastien/java/extend/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/impl/JDKCallbackInvocationHandler.java @@ -0,0 +1,77 @@ +/* + * 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.core.context.impl.CallbackServiceReferenceImpl; +import org.apache.tuscany.sca.invocation.InvocationChain; +import org.apache.tuscany.sca.invocation.MessageFactory; +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"}) + 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 { + return invoke(chain, args, wire); + } catch (InvocationTargetException e) { + Throwable t = e.getCause(); + throw t; + } finally { + // allow the cloned wire to be reused by subsequent callbacks + } + } + +} |