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Diffstat (limited to 'branches/sca-java-integration/sca/kernel/core/src/main/java/org/apache/tuscany/core/binding/local/LocalTargetInvoker.java')
-rw-r--r-- | branches/sca-java-integration/sca/kernel/core/src/main/java/org/apache/tuscany/core/binding/local/LocalTargetInvoker.java | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/branches/sca-java-integration/sca/kernel/core/src/main/java/org/apache/tuscany/core/binding/local/LocalTargetInvoker.java b/branches/sca-java-integration/sca/kernel/core/src/main/java/org/apache/tuscany/core/binding/local/LocalTargetInvoker.java new file mode 100644 index 0000000000..5b564c93b8 --- /dev/null +++ b/branches/sca-java-integration/sca/kernel/core/src/main/java/org/apache/tuscany/core/binding/local/LocalTargetInvoker.java @@ -0,0 +1,73 @@ +/* + * 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 org.apache.tuscany.spi.model.Operation; +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.OutboundInvocationChain; +import org.apache.tuscany.spi.wire.OutboundWire; +import org.apache.tuscany.spi.wire.TargetInvoker; + +/** + * Dispatches an invocation through a composite service or reference using the local binding + * + * @version $Rev$ $Date$ + */ +public class LocalTargetInvoker extends AbstractLocalTargetInvoker { + private OutboundInvocationChain chain; + private Object fromAddress; + private boolean contractHasCallback; + + public LocalTargetInvoker(Operation operation, OutboundWire outboundWire) { + assert operation != null; + chain = outboundWire.getInvocationChains().get(operation); + assert chain != null; + fromAddress = (outboundWire.getContainer() == null) ? null : outboundWire.getContainer().getName(); + contractHasCallback = outboundWire.getServiceContract().getCallbackClass() != null; + } + + @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) { + msg.pushFromAddress(fromAddress); + } + + return invoke(chain, invoker, msg); + } catch (Throwable e) { + Message faultMsg = new MessageImpl(); + faultMsg.setBodyWithFault(e); + return faultMsg; + } + } + + + public boolean isOptimizable() { + return true; + } +} |