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author | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-11 23:06:50 +0000 |
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committer | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-11 23:06:50 +0000 |
commit | 0f3f9b59b310833f31ba234ee4aefa808649833c (patch) | |
tree | 4f8b3354beb0643151424eb978eece9e55038c90 /sca-java-1.x/branches/sca-java-0.91/samples/implementation-crud-extension/src/main/java/crud/provider/CRUDInvoker.java | |
parent | f860c2f35b2f94e379d2ff7d5c13f54cd4a3132a (diff) |
Moving 1.x branches
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@835120 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sca-java-1.x/branches/sca-java-0.91/samples/implementation-crud-extension/src/main/java/crud/provider/CRUDInvoker.java')
-rw-r--r-- | sca-java-1.x/branches/sca-java-0.91/samples/implementation-crud-extension/src/main/java/crud/provider/CRUDInvoker.java | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-0.91/samples/implementation-crud-extension/src/main/java/crud/provider/CRUDInvoker.java b/sca-java-1.x/branches/sca-java-0.91/samples/implementation-crud-extension/src/main/java/crud/provider/CRUDInvoker.java new file mode 100644 index 0000000000..f09922e965 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-0.91/samples/implementation-crud-extension/src/main/java/crud/provider/CRUDInvoker.java @@ -0,0 +1,77 @@ +/* + * 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 crud.provider; + +import java.lang.reflect.InvocationTargetException; + +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; + +import crud.backend.ResourceManager; + +/** + * Implements a target invoker for CRUD component implementations. + * + * The target invoker is responsible for dispatching invocations to the particular + * component implementation logic. In this example we are simply delegating the + * CRUD operation invocations to the corresponding methods on our fake + * resource manager. + */ +public class CRUDInvoker implements Invoker { + private Operation operation; + private ResourceManager resourceManager; + + public CRUDInvoker(Operation operation, ResourceManager resourceManager) { + this.operation = operation; + this.resourceManager = resourceManager; + } + + public Message invoke(Message msg) { + try { + Object[] args = msg.getBody(); + Object resp = doTheWork(args); + msg.setBody(resp); + } catch (InvocationTargetException e) { + msg.setFaultBody(e.getCause()); + } + return msg; + } + + public Object doTheWork(Object[] args) throws InvocationTargetException { + if (operation.getName().equals("create")) { + return resourceManager.createResource(args[0]); + + } else if (operation.getName().equals("retrieve")) { + return resourceManager.retrieveResource((String)args[0]); + + } else if (operation.getName().equals("update")) { + return resourceManager.updateResource((String)args[0], args[1]); + + } else if (operation.getName().equals("delete")) { + resourceManager.deleteResource((String)args[0]); + return null; + + } else { + return null; + } + } + +} |