Merge "Gracefully stop HT threads when the bundle is being stopped (cache terminated...
[controller.git] / opendaylight / hosttracker / implementation / src / main / java / org / opendaylight / controller / hosttracker / internal / Activator.java
index ef88fa2..3af9826 100644 (file)
@@ -1,4 +1,3 @@
-
 /*
  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
  *
 
 package org.opendaylight.controller.hosttracker.internal;
 
+import java.util.Dictionary;
+import java.util.HashSet;
+import java.util.Hashtable;
+import java.util.Set;
+
 import org.apache.felix.dm.Component;
-import org.opendaylight.controller.hosttracker.internal.HostTracker;
+import org.opendaylight.controller.clustering.services.ICacheUpdateAware;
+import org.opendaylight.controller.clustering.services.IClusterContainerServices;
 import org.opendaylight.controller.hosttracker.IfHostListener;
 import org.opendaylight.controller.hosttracker.IfIptoHost;
 import org.opendaylight.controller.hosttracker.IfNewHostNotify;
 import org.opendaylight.controller.hosttracker.hostAware.IHostFinder;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import org.opendaylight.controller.clustering.services.IClusterContainerServices;
 import org.opendaylight.controller.sal.core.ComponentActivatorAbstractBase;
 import org.opendaylight.controller.switchmanager.IInventoryListener;
 import org.opendaylight.controller.switchmanager.ISwitchManager;
 import org.opendaylight.controller.switchmanager.ISwitchManagerAware;
 import org.opendaylight.controller.topologymanager.ITopologyManager;
 import org.opendaylight.controller.topologymanager.ITopologyManagerAware;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public class Activator extends ComponentActivatorAbstractBase {
     protected static final Logger logger = LoggerFactory
             .getLogger(Activator.class);
 
     /**
-     * Function called when the activator starts just after some
-     * initializations are done by the
-     * ComponentActivatorAbstractBase.
+     * Function called when the activator starts just after some initializations
+     * are done by the ComponentActivatorAbstractBase.
      *
      */
+    @Override
     public void init() {
     }
 
     /**
-     * Function called when the activator stops just before the
-     * cleanup done by ComponentActivatorAbstractBase
+     * Function called when the activator stops just before the cleanup done by
+     * ComponentActivatorAbstractBase
      *
      */
+    @Override
     public void destroy() {
     }
 
     /**
-     * Function that is used to communicate to dependency manager the
-     * list of known implementations for services inside a container
+     * Function that is used to communicate to dependency manager the list of
+     * known implementations for services inside a container
      *
      *
      * @return An array containing all the CLASS objects that will be
-     * instantiated in order to get an fully working implementation
-     * Object
+     *         instantiated in order to get an fully working implementation
+     *         Object
      */
+    @Override
     public Object[] getImplementations() {
         Object[] res = { HostTracker.class };
         return res;
     }
 
     /**
-     * Function that is called when configuration of the dependencies
-     * is required.
+     * Function that is called when configuration of the dependencies is
+     * required.
      *
-     * @param c dependency manager Component object, used for
-     * configuring the dependencies exported and imported
-     * @param imp Implementation class that is being configured,
-     * needed as long as the same routine can configure multiple
-     * implementations
-     * @param containerName The containerName being configured, this allow
-     * also optional per-container different behavior if needed, usually
-     * should not be the case though.
+     * @param c
+     *            dependency manager Component object, used for configuring the
+     *            dependencies exported and imported
+     * @param imp
+     *            Implementation class that is being configured, needed as long
+     *            as the same routine can configure multiple implementations
+     * @param containerName
+     *            The containerName being configured, this allow also optional
+     *            per-container different behavior if needed, usually should not
+     *            be the case though.
      */
+    @Override
     public void configureInstance(Component c, Object imp, String containerName) {
         if (imp.equals(HostTracker.class)) {
-            // export the service
-            c.setInterface(new String[] { ISwitchManagerAware.class.getName(),
-                    IInventoryListener.class.getName(),
-                    IfIptoHost.class.getName(), IfHostListener.class.getName(),
-                    ITopologyManagerAware.class.getName() }, null);
+            Dictionary<String, Object> props = new Hashtable<String, Object>();
+            Set<String> propSet = new HashSet<String>();
+            propSet.add(HostTracker.ACTIVE_HOST_CACHE);
+            props.put("cachenames", propSet);
 
-            c.add(createContainerServiceDependency(containerName).setService(
-                    ISwitchManager.class).setCallbacks("setSwitchManager",
-                    "unsetSwitchManager").setRequired(false));
-            c.add(createContainerServiceDependency(containerName).setService(
-                    IClusterContainerServices.class).setCallbacks(
-                    "setClusterContainerService",
-                    "unsetClusterContainerService").setRequired(true));
-            c.add(createContainerServiceDependency(containerName).setService(
-                    IHostFinder.class).setCallbacks("setArpHandler",
-                    "unsetArpHandler").setRequired(false));
-            c.add(createContainerServiceDependency(containerName).setService(
-                    ITopologyManager.class).setCallbacks("setTopologyManager",
-                    "unsetTopologyManager").setRequired(false));
-            c.add(createContainerServiceDependency(containerName).setService(
-                    IfNewHostNotify.class).setCallbacks("setnewHostNotify",
-                    "unsetnewHostNotify").setRequired(false));
-        }
-    }
-
-    /**
-     * Method which tells how many Global implementations are
-     * supported by the bundle. This way we can tune the number of
-     * components created. This components will be created ONLY at the
-     * time of bundle startup and will be destroyed only at time of
-     * bundle destruction, this is the major difference with the
-     * implementation retrieved via getImplementations where all of
-     * them are assumed to be in a container !
-     *
-     *
-     * @return The list of implementations the bundle will support,
-     * in Global version
-     */
-    protected Object[] getGlobalImplementations() {
-        return null;
-    }
+            // export the service
+            c.setInterface(
+                    new String[] { ISwitchManagerAware.class.getName(),
+                            IInventoryListener.class.getName(),
+                            IfIptoHost.class.getName(),
+                            IfHostListener.class.getName(),
+                            ITopologyManagerAware.class.getName(),
+                            ICacheUpdateAware.class.getName() }, props);
 
-    /**
-     * Configure the dependency for a given instance Global
-     *
-     * @param c Component assigned for this instance, this will be
-     * what will be used for configuration
-     * @param imp implementation to be configured
-     * @param containerName container on which the configuration happens
-     */
-    protected void configureGlobalInstance(Component c, Object imp) {
-        if (imp.equals(HostTracker.class)) {
+            c.add(createContainerServiceDependency(containerName)
+                    .setService(ISwitchManager.class)
+                    .setCallbacks("setSwitchManager", "unsetSwitchManager")
+                    .setRequired(false));
+            c.add(createContainerServiceDependency(containerName)
+                    .setService(IClusterContainerServices.class)
+                    .setCallbacks("setClusterContainerService",
+                            "unsetClusterContainerService").setRequired(true));
+            c.add(createContainerServiceDependency(containerName)
+                    .setService(IHostFinder.class)
+                    .setCallbacks("setArpHandler", "unsetArpHandler")
+                    .setRequired(false));
+            c.add(createContainerServiceDependency(containerName)
+                    .setService(ITopologyManager.class)
+                    .setCallbacks("setTopologyManager", "unsetTopologyManager")
+                    .setRequired(false));
+            c.add(createContainerServiceDependency(containerName)
+                    .setService(IfNewHostNotify.class)
+                    .setCallbacks("setnewHostNotify", "unsetnewHostNotify")
+                    .setRequired(false));
         }
     }
 }