/*
* 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.core.wire.jdk;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.util.Map;
import org.apache.tuscany.spi.component.WorkContext;
import static org.apache.tuscany.spi.idl.java.JavaIDLUtils.findOperation;
import org.apache.tuscany.spi.model.Operation;
import org.apache.tuscany.spi.wire.AbstractOutboundInvocationHandler;
import org.apache.tuscany.spi.wire.InboundWire;
import org.apache.tuscany.spi.wire.OutboundInvocationChain;
import org.apache.tuscany.spi.wire.TargetInvoker;
import org.apache.tuscany.spi.wire.WireInvocationHandler;
/**
* Responsible for invoking on an outbound wire associated with a callback. The handler retrieves the correct outbound
* callback wire from the work context.
* <p/>
* TODO cache target invoker
*
* @version $Rev: 453364 $ $Date: 2006-10-05 13:27:10 -0700 (Thu, 05 Oct 2006) $
*/
public class JDKCallbackInvocationHandler extends AbstractOutboundInvocationHandler
implements WireInvocationHandler, InvocationHandler {
private WorkContext context;
private InboundWire inboundWire;
private Object messageId;
private Object correlationId;
public JDKCallbackInvocationHandler(WorkContext context, InboundWire inboundWire) {
this.context = context;
this.inboundWire = inboundWire;
}
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
messageId = context.getCurrentMessageId();
context.setCurrentMessageId(null);
correlationId = context.getCurrentCorrelationId();
context.setCurrentCorrelationId(null);
Object targetAddress = inboundWire.retrieveMapping(correlationId);
if (targetAddress == null) {
throw new AssertionError("No from address associated with message id [" + correlationId + "]");
}
//TODO optimize as this is slow in local invocations
Map<Operation<?>, OutboundInvocationChain> sourceCallbackInvocationChains =
inboundWire.getSourceCallbackInvocationChains(targetAddress);
Operation operation = findOperation(method, sourceCallbackInvocationChains.keySet());
OutboundInvocationChain chain = sourceCallbackInvocationChains.get(operation);
TargetInvoker invoker = chain.getTargetInvoker();
return invoke(chain, invoker, args);
}
public Object invoke(Method method, Object[] args) throws Throwable {
return invoke(null, method, args);
}
protected Object getFromAddress() {
return (inboundWire.getContainer() == null) ? null : inboundWire.getContainer().getName();
}
protected Object getMessageId() {
return messageId;
}
protected Object getCorrelationId() {
return correlationId;
}
}