/*
* 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.node.launcher;
import org.apache.tuscany.sca.node.SCANode;
import org.apache.tuscany.sca.node.SCANodeFactory;
/**
* Bootstrap class for the SCA node daemon.
*
* @version $Rev: 692615 $ $Date: 2008-09-06 07:08:56 +0100 (Sat, 06 Sep 2008) $
*/
public class NodeImplementationDaemonBootstrap {
private SCANode node;
/**
* A node wrappering an instance of a node daemon.
*/
public static class NodeFacade implements SCANode {
private ClassLoader threadContextClassLoader;
private ClassLoader runtimeClassLoader;
private SCANode daemon;
private NodeFacade() {
runtimeClassLoader = Thread.currentThread().getContextClassLoader();
}
public void start() {
threadContextClassLoader = Thread.currentThread().getContextClassLoader();
boolean started = false;
try {
Thread.currentThread().setContextClassLoader(runtimeClassLoader);
SCANodeFactory factory = SCANodeFactory.newInstance();
daemon = factory.createSCANodeFromClassLoader("NodeDaemon.composite", threadContextClassLoader);
started = true;
} finally {
if (!started) {
Thread.currentThread().setContextClassLoader(threadContextClassLoader);
}
}
}
public void stop() {
try {
Thread.currentThread().setContextClassLoader(runtimeClassLoader);
daemon.stop();
} finally {
Thread.currentThread().setContextClassLoader(threadContextClassLoader);
}
}
}
/**
* Constructs a new daemon bootstrap.
*/
public NodeImplementationDaemonBootstrap() throws Exception {
node = new NodeFacade();
}
/**
* Returns the node representing the daemon.
* @return
*/
public SCANode getNode() {
return node;
}
}