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/*
* 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.implementation.bpel.impl;
import org.apache.tuscany.sca.runtime.RuntimeComponent;
/**
* Class for tuneling a RuntimeComponent for invocation of a BPEL process
* This is used for BPEL to invoke references
*
* @version $Rev$ $Date$
*/
public class ThreadRuntimeComponentContext {
private static final ThreadLocal<RuntimeComponent> CONTEXT = new ThreadLocal<RuntimeComponent>();
private ThreadRuntimeComponentContext() {
}
/**
* Set the RuntimeComponentContext for the current thread.
* The current runtime component context is returned and must be restored after the invocation is complete.
* Typical usage would be:
* <pre>
* RuntimeComponent old = ThreadRuntimeComponentContext.setRuntimeComponent(newContext);
* try {
* ... invoke user code ...
* } finally {
* ThreadRuntimeComponentContext.setThreadWorkContext(old);
* }
* </pre>
* @param context
* @return the current work context for the thread; this must be restored after the invocation is made
*/
public static RuntimeComponent setRuntimeComponent(RuntimeComponent runtimeComponent) {
RuntimeComponent old = CONTEXT.get();
CONTEXT.set(runtimeComponent);
return old;
}
/**
* Returns the RuntimeComponentContext for the current thread.
*
* @return the RuntimeComponentContext for the current thread
*/
public static RuntimeComponent getRuntimeComponent() {
return CONTEXT.get();
}
}
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