From 132aa8a77685ec92bc90c03f987650d275a7b639 Mon Sep 17 00:00:00 2001
From: lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68>
Date: Mon, 30 Sep 2013 06:59:11 +0000
Subject: 2.0.1 RC1 release tag

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1527464 13f79535-47bb-0310-9956-ffa450edef68
---
 .../tuscany/sca/node/osgi/impl/NodeActivator.java  | 129 +++++++++++++++++++++
 1 file changed, 129 insertions(+)
 create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/node/osgi/impl/NodeActivator.java

(limited to 'sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/node/osgi/impl/NodeActivator.java')

diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/node/osgi/impl/NodeActivator.java b/sca-java-2.x/tags/2.0.1-RC1/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/2.0.1-RC1/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();
+            }
+        }
+
+    }
+
+}
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