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Diffstat (limited to 'sca-java-2.x/tags/2.0-Beta2-RC1/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/SCABindingLocalInvocationInterceptor.java')
-rw-r--r--sca-java-2.x/tags/2.0-Beta2-RC1/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/SCABindingLocalInvocationInterceptor.java109
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diff --git a/sca-java-2.x/tags/2.0-Beta2-RC1/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/SCABindingLocalInvocationInterceptor.java b/sca-java-2.x/tags/2.0-Beta2-RC1/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/SCABindingLocalInvocationInterceptor.java
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--- a/sca-java-2.x/tags/2.0-Beta2-RC1/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/SCABindingLocalInvocationInterceptor.java
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@@ -1,109 +0,0 @@
-/*
- * 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.binding.sca.provider;
-
-import java.util.logging.Level;
-import java.util.logging.Logger;
-
-import org.apache.tuscany.sca.core.invocation.AsyncResponseInvoker;
-import org.apache.tuscany.sca.core.invocation.InterceptorAsyncImpl;
-import org.apache.tuscany.sca.invocation.Invoker;
-import org.apache.tuscany.sca.invocation.InvokerAsyncResponse;
-import org.apache.tuscany.sca.invocation.Message;
-import org.apache.tuscany.sca.runtime.RuntimeEndpointReference;
-
-/**
- * Interceptor used by the SCA Binding on the service side chain to provide a mechanism for optimising
- * invocations when the reference and the service involved are both in the same JVM, and thus the need
- * to use a transport of any kind is unnecessary.
- *
- */
-public class SCABindingLocalInvocationInterceptor extends InterceptorAsyncImpl {
- private static final Logger logger = Logger.getLogger(SCABindingLocalInvocationInterceptor.class.getName());
-
- private Invoker next;
-
- private boolean skipPrevious;
-
- public SCABindingLocalInvocationInterceptor() {
- super();
- } // end constructor
-
- public Message invoke(Message msg) {
- return next.invoke(msg);
- } // end method invoke
-
- public Invoker getNext() {
- return next;
- } // end method getNext
-
- public void setNext(Invoker next) {
- this.next = next;
- } // end method setNext
-
- /**
- * Process request method is simply a passthrough
- */
- public Message processRequest(Message msg) {
- return msg ;
- } // end method processRequest
-
-
- /**
- * Handle an async response
- * - deals with the local SCA binding case only (at present)
- * - in this case, extract the async response invoker from the message header and call the EPR
- * that is present in the invoker, which is in fact the local EPR from which the original forward
- * request came
- */
- public void invokeAsyncResponse(Message msg) {
- @SuppressWarnings("unchecked")
- AsyncResponseInvoker<?> respInvoker =
- (AsyncResponseInvoker<?>)msg.getHeaders().get("ASYNC_RESPONSE_INVOKER");
- if( respInvoker != null && "SCA_LOCAL".equals(respInvoker.getBindingType()) ) {
- // Handle the locally optimised case
- RuntimeEndpointReference responseEPR = (RuntimeEndpointReference)respInvoker.getResponseTargetAddress();
- msg.setFrom(responseEPR);
- // Handle async response Relates_To message ID value
- String msgID = respInvoker.getRelatesToMsgID();
- msg.getHeaders().put("RELATES_TO", msgID);
-
- // Call the processing on the reference chain directly
- responseEPR.invokeAsyncResponse(msg);
-
- // Prevent the response being processed by the rest of the service chain
- return;
- } else {
- // Carry on processing the response by the rest of the service chain
- InvokerAsyncResponse thePrevious = (InvokerAsyncResponse)getPrevious();
- if (thePrevious != null ) thePrevious.invokeAsyncResponse(msg);
- return;
- } // end if
-
- } // end method invokeAsyncResponse
-
- /**
- * processResponse is not called during async response handling (all handled by invokeAsyncResponse)
- * - this version is a dummy which does nothing.
- */
- public Message processResponse(Message msg) {
- return msg;
- } // end method processResponse
-
-} // end class