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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.net.URI;
import org.apache.tuscany.spi.model.Operation;
import org.apache.tuscany.spi.util.UriHelper;
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 an invocation through a composite service or reference using the local binding
*
* @version $Rev$ $Date$
*/
public class LocalTargetInvoker extends AbstractLocalTargetInvoker {
private InvocationChain chain;
private URI fromAddress;
private boolean contractHasCallback;
public LocalTargetInvoker(Operation operation, Wire wire) {
assert operation != null;
chain = wire.getInvocationChains().get(operation);
assert chain != null;
if (wire.getSourceUri() != null) {
fromAddress = URI.create(UriHelper.getBaseName(wire.getSourceUri()));
}
contractHasCallback = !wire.getCallbackInvocationChains().isEmpty();
}
@Override
public LocalTargetInvoker clone() throws CloneNotSupportedException {
return (LocalTargetInvoker) super.clone();
}
public Message invoke(Message msg) throws InvocationRuntimeException {
try {
TargetInvoker invoker = chain.getTargetInvoker();
assert invoker != null;
// Pushing the from address only needs to happen in the outbound (forward) direction for callbacks
if (contractHasCallback) {
//JFM do we need this?
msg.pushCallbackUri(fromAddress);
}
return invoke(chain, invoker, msg);
} catch (Throwable e) {
Message faultMsg = new MessageImpl();
faultMsg.setBodyWithFault(e);
return faultMsg;
}
}
public boolean isOptimizable() {
return true;
}
}
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