diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0-Beta1-RC2/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/node/osgi/impl/NodeActivator.java')
-rw-r--r-- | sca-java-2.x/tags/2.0-Beta1-RC2/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/node/osgi/impl/NodeActivator.java | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta1-RC2/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/node/osgi/impl/NodeActivator.java b/sca-java-2.x/tags/2.0-Beta1-RC2/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/node/osgi/impl/NodeActivator.java new file mode 100644 index 0000000000..36feb6526a --- /dev/null +++ b/sca-java-2.x/tags/2.0-Beta1-RC2/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/node/osgi/impl/NodeActivator.java @@ -0,0 +1,129 @@ +/* + * 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.node.osgi.impl; + +import static org.apache.tuscany.sca.node.osgi.impl.NodeManager.isSCABundle; + +import java.util.logging.Level; +import java.util.logging.Logger; + +import org.apache.tuscany.sca.osgi.remoteserviceadmin.impl.RemoteServiceAdminImpl; +import org.apache.tuscany.sca.osgi.remoteserviceadmin.impl.TopologyManagerImpl; +import org.apache.tuscany.sca.osgi.service.discovery.impl.DiscoveryActivator; +import org.osgi.framework.Bundle; +import org.osgi.framework.BundleActivator; +import org.osgi.framework.BundleContext; +import org.osgi.framework.BundleEvent; +import org.osgi.framework.SynchronousBundleListener; + +/** + * Bundle activator to receive the BundleContext + */ +public class NodeActivator implements BundleActivator, SynchronousBundleListener { + private final static Logger logger = Logger.getLogger(NodeActivator.class.getName()); + private static BundleContext bundleContext; + private boolean inited; + private NodeManager manager; + + private DiscoveryActivator discoveryActivator = new DiscoveryActivator(); + private RemoteServiceAdminImpl remoteAdmin; + private TopologyManagerImpl controller; + + private void init() { + synchronized (this) { + if (inited) { + return; + } + manager = new NodeManager(bundleContext); + manager.start(); + bundleContext.addBundleListener(manager); + inited = true; + } + } + + public void start(BundleContext context) throws Exception { + try { + bundleContext = context; + + // FIXME: We should try to avoid aggressive initialization + init(); + + remoteAdmin = new RemoteServiceAdminImpl(context); + remoteAdmin.start(); + + discoveryActivator.start(context); + + controller = new TopologyManagerImpl(context); + controller.start(); + + boolean found = false; + for (Bundle b : context.getBundles()) { + if (isSCABundle(b)) { + found = true; + break; + } + } + + if (found) { + init(); + } else { + context.addBundleListener(this); + } + } catch (Exception e) { + logger.log(Level.SEVERE, e.getMessage(), e); + throw e; + } + } + + public void stop(BundleContext context) throws Exception { + if (inited) { + context.removeBundleListener(this); + controller.stop(); + controller = null; + + discoveryActivator.stop(context); + discoveryActivator = null; + + remoteAdmin.stop(); + remoteAdmin = null; + + manager.stop(); + bundleContext.removeBundleListener(manager); + manager = null; + bundleContext = null; + inited = false; + } + } + + public static BundleContext getBundleContext() { + return bundleContext; + } + + public void bundleChanged(BundleEvent event) { + if (event.getType() == BundleEvent.STARTING) { + if (isSCABundle(event.getBundle())) { + bundleContext.removeBundleListener(this); + init(); + } + } + + } + +} |