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From sl...@apache.org
Subject svn commit: r1041861 - /tuscany/sca-java-2.x/trunk/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ImplementationAsyncProvider.java
Date Fri, 03 Dec 2010 15:14:31 GMT
Author: slaws
Date: Fri Dec  3 15:14:31 2010
New Revision: 1041861

URL: http://svn.apache.org/viewvc?rev=1041861&view=rev
Log:
TUSCANY-3801 - add an async implementation provider interface to allow provider to create
async invokers for the forward and response call. 

Added:
    tuscany/sca-java-2.x/trunk/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ImplementationAsyncProvider.java

Added: tuscany/sca-java-2.x/trunk/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ImplementationAsyncProvider.java
URL: http://svn.apache.org/viewvc/tuscany/sca-java-2.x/trunk/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ImplementationAsyncProvider.java?rev=1041861&view=auto
==============================================================================
--- tuscany/sca-java-2.x/trunk/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ImplementationAsyncProvider.java
(added)
+++ tuscany/sca-java-2.x/trunk/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/ImplementationAsyncProvider.java
Fri Dec  3 15:14:31 2010
@@ -0,0 +1,65 @@
+/*
+ * 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.provider;
+
+import org.apache.tuscany.sca.assembly.Endpoint;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+
+/**
+ * TUSCANY-3786 - Possibly temporary interface to describe an
+ *                async invocation. Need to make it work end to 
+ *                end before committing to this. 
+ *                
+ * A component implementation can implement this interface in order to tie 
+ * into the Tuscany runtime to process asynchronous responses. 
+ * 
+ */
+public interface ImplementationAsyncProvider extends ImplementationProvider {
+    
+    /**
+     * Create an async invoker for the component implementation in the invocation
+     * chain. The invoker will be responsible for calling the implementation
+     * logic for the given component. The only realy difference between this and 
+     * createInvoker is that the Endpoint is passed in so that the invoker can 
+     * engineer the async response
+     * 
+     * @param endpoint the endoint at the head of this invocation chain
+     * @param service The component service
+     * @param operation The operation that the interceptor will handle
+     * @return An invoker that handles the invocation logic, null should be
+     *         returned if no invoker is required
+     */
+    Invoker createAsyncInvoker(Endpoint endpoint, RuntimeComponentService service, Operation
operation);
+
+    /**
+     * Create an invoker for the asynchronous responses in the invocation
+     * chain. The invoker will be responsible for processing the async
+     * response including correlating it with the forward call using
+     * the MESAGE_ID that appears in the message header. 
+     * 
+     * @param service The component service
+     * @param operation The operation that the interceptor will handle
+     * @return An AsyncResponseHandler<T> instance
+     */
+    Invoker createAsyncResponseInvoker(Operation operation);
+
+}



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