Move Tuscany from Incubator to top level.

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@668359 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 154 insertions, 0 deletions

diff --git a/sandbox/old/contrib/jmx/src/main/java/org/apache/tuscany/service/management/jmx/agent/AbstractAgent.java b/sandbox/old/contrib/jmx/src/main/java/org/apache/tuscany/service/management/jmx/agent/AbstractAgent.java
new file mode 100644
index 0000000000..0172b15d8c
--- /dev/null
+++ b/sandbox/old/contrib/jmx/src/main/java/org/apache/tuscany/service/management/jmx/agent/AbstractAgent.java
@@ -0,0 +1,154 @@
+/*
+ * 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.service.management.jmx.agent;
+
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import javax.management.MBeanServer;
+import javax.management.MBeanServerFactory;
+import javax.management.ObjectName;
+import javax.management.remote.JMXConnectorServer;
+import javax.management.remote.JMXConnectorServerFactory;
+import javax.management.remote.JMXServiceURL;
+
+/**
+ * Abstract super class for all the agents.
+ * @version $Revison$ $Date$
+ *
+ */
+public abstract class AbstractAgent implements Agent {
+
+    /** Root domain */
+    private static final String DOMAIN = "tuscany";
+
+    /** MBean server to use. */
+    private MBeanServer mBeanServer;
+    
+    /** Start flag. */
+    private AtomicBoolean started = new AtomicBoolean();
+    
+    /** RMI connector adaptor. */
+    private JMXConnectorServer connectorServer;
+
+    /**
+     * Initialies the server.
+     * @throws ManagementException If unable to start the agent.
+     */
+    protected AbstractAgent() throws ManagementException {        
+        mBeanServer = MBeanServerFactory.createMBeanServer(DOMAIN);        
+    }
+    
+    /**
+     * @see org.apache.tuscany.service.management.jmx.agent.Agent#getMBeanServer()
+     */
+    public MBeanServer getMBeanServer() {
+        return mBeanServer;
+    }
+
+    /**
+     * @see org.apache.tuscany.service.management.jmx.agent.Agent#register(java.lang.Object, java.lang.String)
+     */
+    public final void register(Object instance, String name) throws ManagementException {
+        
+        try {
+            mBeanServer.registerMBean(instance, new ObjectName(name));
+        } catch (Exception ex) {
+            throw new ManagementException(ex);
+        }
+        
+    }
+
+    /**
+     * @see org.apache.tuscany.service.management.jmx.agent.Agent#start()
+     */
+    public final void start() throws ManagementException {
+
+        try {
+            
+            if(started.get()) {
+                throw new IllegalArgumentException("Agent already started");
+            }
+            
+            preStart();
+            
+            JMXServiceURL url = getAdaptorUrl();
+            connectorServer = JMXConnectorServerFactory.newJMXConnectorServer(url, null, mBeanServer);
+            
+            connectorServer.start();
+            
+            started.set(true);
+            
+        } catch (MalformedURLException ex) {
+            throw new ManagementException(ex);
+        } catch (IOException ex) {
+            throw new ManagementException(ex);
+        }
+
+    }
+
+    /**
+     * @see org.apache.tuscany.service.management.jmx.agent.Agent#shutdown()
+     */
+    public final void shutdown() throws ManagementException {
+        
+        try {
+            
+            if(!started.get()) {
+                throw new IllegalArgumentException("Agent not started");
+            }
+            
+            connectorServer.stop();
+            postStop();
+            started.set(false);
+            
+        } catch (IOException ex) {
+            throw new ManagementException(ex);
+        }
+        
+    }
+    
+    /**
+     * Gets the underlying MBean server.
+     * @return A reference to the mbean server.
+     */
+    protected MBeanServer getMbeanServer() {
+        return mBeanServer;
+    }
+    
+    /**
+     * Gets the adaptor URL.
+     * @return Adaptor URL.
+     */
+    protected abstract JMXServiceURL getAdaptorUrl();
+    
+    /**
+     * Any initialiation required for protocol specific agent.
+     *
+     */
+    protected abstract void preStart();
+    
+    /**
+     * Any initialiation required for protocol specific agent.
+     *
+     */
+    protected abstract void postStop();
+
+}