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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.core.binding.local;
import java.util.Map;
import org.apache.tuscany.spi.model.Operation;
import org.apache.tuscany.spi.wire.InvocationChain;
import org.apache.tuscany.spi.wire.InvocationRuntimeException;
import org.apache.tuscany.spi.wire.Message;
import org.apache.tuscany.spi.wire.MessageImpl;
import org.apache.tuscany.spi.wire.TargetInvoker;
import org.apache.tuscany.spi.wire.Wire;
/**
* Dispatches a callback invocation to the callback instance
*
* @version $Rev$ $Date$
*/
public class LocalCallbackTargetInvoker extends AbstractLocalTargetInvoker {
private Operation operation;
private Wire wire;
public LocalCallbackTargetInvoker(Operation operation, Wire wire) {
assert operation != null : "Operation method cannot be null";
this.operation = operation;
this.wire = wire;
}
public Message invoke(Message msg) throws InvocationRuntimeException {
try {
return invoke(operation, msg);
} catch (Throwable e) {
Message faultMsg = new MessageImpl();
faultMsg.setBodyWithFault(e);
return faultMsg;
}
}
private Message invoke(Operation operation, Message msg) throws Throwable {
//TODO optimize as this is slow in local invocations
Map<Operation<?>, InvocationChain> chains = wire.getCallbackInvocationChains();
InvocationChain chain = chains.get(operation);
TargetInvoker invoker = chain.getTargetInvoker();
return invoke(chain, invoker, msg);
}
@Override
public LocalCallbackTargetInvoker clone() throws CloneNotSupportedException {
return (LocalCallbackTargetInvoker) super.clone();
}
}
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