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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.node.launcher;
import org.apache.tuscany.sca.node.Client;
import org.apache.tuscany.sca.node.Contribution;
import org.apache.tuscany.sca.node.Node;
import org.apache.tuscany.sca.node.NodeFactory;
import org.oasisopen.sca.CallableReference;
import org.oasisopen.sca.ServiceReference;
/**
* Bootstrap class for standalone SCA nodes.
*
* @version $Rev$ $Date$
*/
public class NodeImplementationLauncherBootstrap {
private Node node;
/**
* A node facade.
*/
public static class NodeFacade implements Node, Client {
private ClassLoader threadContextClassLoader;
private ClassLoader runtimeClassLoader;
private Node delegate;
private NodeFacade(Node delegate) {
runtimeClassLoader = Thread.currentThread().getContextClassLoader();
this.delegate = delegate;
}
public void start() {
threadContextClassLoader = Thread.currentThread().getContextClassLoader();
boolean started = false;
try {
Thread.currentThread().setContextClassLoader(runtimeClassLoader);
delegate.start();
started = true;
} finally {
if (!started) {
Thread.currentThread().setContextClassLoader(threadContextClassLoader);
}
}
}
public void stop() {
try {
Thread.currentThread().setContextClassLoader(runtimeClassLoader);
delegate.stop();
} finally {
Thread.currentThread().setContextClassLoader(threadContextClassLoader);
}
}
public void destroy() {
try {
Thread.currentThread().setContextClassLoader(runtimeClassLoader);
delegate.destroy();
} finally {
Thread.currentThread().setContextClassLoader(threadContextClassLoader);
}
}
public <B, R extends CallableReference<B>> R cast(B target) throws IllegalArgumentException {
return (R)((Client)delegate).cast(target);
}
public <B> B getService(Class<B> businessInterface, String serviceName) {
return (B)((Client)delegate).getService(businessInterface, serviceName);
}
public <B> ServiceReference<B> getServiceReference(Class<B> businessInterface, String referenceName) {
return (ServiceReference<B>)((Client)delegate).getServiceReference(businessInterface, referenceName);
}
}
/**
* Bootstrap a new SCA node.
*
* @param configurationURI
*/
public NodeImplementationLauncherBootstrap(String configurationURI) throws Exception {
NodeFactory nodeFactory = NodeFactory.newInstance();
node = new NodeFacade(nodeFactory.createNode(configurationURI));
}
/**
* Bootstrap a new SCA node.
*
* @param compositeURI
* @param uris
* @param locations
*/
public NodeImplementationLauncherBootstrap(String compositeURI, String[] uris, String[] locations) throws Exception {
NodeFactory nodeFactory = NodeFactory.newInstance();
Contribution[] contributions = new Contribution[uris.length];
for (int i = 0; i < uris.length; i++) {
contributions[i] = new Contribution(uris[i], locations[i]);
}
node = new NodeFacade(nodeFactory.createNode(compositeURI, contributions));
}
/**
* Bootstrap a new SCA node.
*
* @param compositeURI
* @param uris
* @param locations
*/
public NodeImplementationLauncherBootstrap(String compositeURI, String compositeContent, String[] uris, String[] locations) throws Exception {
NodeFactory nodeFactory = NodeFactory.newInstance();
Contribution[] contributions = new Contribution[uris.length];
for (int i = 0; i < uris.length; i++) {
contributions[i] = new Contribution(uris[i], locations[i]);
}
node = new NodeFacade(nodeFactory.createNode(compositeURI, compositeContent, contributions));
}
/**
* Returns the SCA node.
*
* @return
*/
public Node getNode() {
return node;
}
}
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