diff options
author | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-11 23:26:33 +0000 |
---|---|---|
committer | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-11 23:26:33 +0000 |
commit | a40e527938d76ba71f211da7e327adb50384ba69 (patch) | |
tree | cb8f99f1727122b040a3f0fbb6649292b6a74302 /sca-java-1.x/tags/1.3.2/modules/extension-helper/src/main/java/org/apache/tuscany/sca/extension/helper/impl/ImplementationImplementationProvider.java | |
parent | 968721109881107520d7aefa91d7fcc0519d7739 (diff) |
Moving 1.x tags
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@835157 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sca-java-1.x/tags/1.3.2/modules/extension-helper/src/main/java/org/apache/tuscany/sca/extension/helper/impl/ImplementationImplementationProvider.java')
-rw-r--r-- | sca-java-1.x/tags/1.3.2/modules/extension-helper/src/main/java/org/apache/tuscany/sca/extension/helper/impl/ImplementationImplementationProvider.java | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.3.2/modules/extension-helper/src/main/java/org/apache/tuscany/sca/extension/helper/impl/ImplementationImplementationProvider.java b/sca-java-1.x/tags/1.3.2/modules/extension-helper/src/main/java/org/apache/tuscany/sca/extension/helper/impl/ImplementationImplementationProvider.java new file mode 100644 index 0000000000..f7c65acb3d --- /dev/null +++ b/sca-java-1.x/tags/1.3.2/modules/extension-helper/src/main/java/org/apache/tuscany/sca/extension/helper/impl/ImplementationImplementationProvider.java @@ -0,0 +1,99 @@ +/* + * 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.extension.helper.impl; + +import java.util.ArrayList; +import java.util.List; + +import org.apache.tuscany.sca.assembly.Implementation; +import org.apache.tuscany.sca.extension.helper.ImplementationActivator; +import org.apache.tuscany.sca.extension.helper.InvokerFactory; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; +import org.apache.tuscany.sca.provider.ImplementationProvider; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; + +/** + * The ImplementationProvider createInvoker method is called before the start method + * but the runtime isn't properly setup until the start method is called. This means + * that Invoker's can't initialize things like the services, references and properties + * until start is called. This class tries to get around that by using an Invoker + * proxy that delays creating the real Invoker till start is called. + * + * @version $Rev$ $Date$ + */ +public class ImplementationImplementationProvider implements ImplementationProvider { + + ImplementationActivator implementationActivator; + RuntimeComponent runtimeComponent; + Implementation impl; + Object userImpl; + InvokerFactory factory; + + List<InvokerProxy> invokers = new ArrayList<InvokerProxy>(); + + public ImplementationImplementationProvider(ImplementationActivator implementationActivator, + RuntimeComponent rc, + Implementation impl, + Object userImpl) { + this.implementationActivator = implementationActivator; + this.runtimeComponent = rc; + this.impl = impl; + this.userImpl = userImpl; + } + + public Invoker createInvoker(RuntimeComponentService arg0, final Operation op) { + InvokerProxy invoker = new InvokerProxy(op); + return invoker; + } + + public boolean supportsOneWayInvocation() { + return false; + } + + public void start() { + factory = implementationActivator.createInvokerFactory(runtimeComponent, impl, userImpl); + } + + public void stop() { + } + + class InvokerProxy implements Invoker { + Invoker invoker; + Operation op; + + InvokerProxy(Operation op) { + this.op = op; + } + + public Message invoke(Message msg) { + init(); + return invoker.invoke(msg); + } + + public synchronized void init() { + if (invoker == null) { + invoker = factory.createInvoker(op); + } + } + } +} |