opendaylight/connectionmanager/implementation/src/main/java/org/opendaylight/controller/connectionmanager/internal/Activator.java

   1
   2 /*
   3  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   4  *
   5  * This program and the accompanying materials are made available under the
   6  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   7  * and is available at http://www.eclipse.org/legal/epl-v10.html
   8  */
   9
  10 package org.opendaylight.controller.connectionmanager.internal;
  11
  12 import java.util.Dictionary;
  13 import java.util.HashSet;
  14 import java.util.Hashtable;
  15 import java.util.Set;
  16
  17 import org.opendaylight.controller.clustering.services.ICacheUpdateAware;
  18 import org.opendaylight.controller.clustering.services.IClusterGlobalServices;
  19 import org.opendaylight.controller.clustering.services.ICoordinatorChangeAware;
  20 import org.opendaylight.controller.connectionmanager.ConnectionMgmtScheme;
  21 import org.opendaylight.controller.connectionmanager.IConnectionManager;
  22 import org.opendaylight.controller.sal.connection.IConnectionListener;
  23 import org.opendaylight.controller.sal.connection.IConnectionService;
  24 import org.apache.felix.dm.Component;
  25 import org.slf4j.Logger;
  26 import org.slf4j.LoggerFactory;
  27 import org.opendaylight.controller.sal.core.ComponentActivatorAbstractBase;
  28 import org.opendaylight.controller.sal.inventory.IListenInventoryUpdates;
  29
  30 public class Activator extends ComponentActivatorAbstractBase {
  31     protected static final Logger logger = LoggerFactory
  32             .getLogger(Activator.class);
  33
  34     /**
  35      * Function called when the activator starts just after some
  36      * initializations are done by the
  37      * ComponentActivatorAbstractBase.
  38      *
  39      */
  40     public void init() {
  41     }
  42
  43     /**
  44      * Function called when the activator stops just before the
  45      * cleanup done by ComponentActivatorAbstractBase
  46      *
  47      */
  48     public void destroy() {
  49     }
  50
  51     /**
  52      * Method which tells how many Global implementations are
  53      * supported by the bundle. This way we can tune the number of
  54      * components created. This components will be created ONLY at the
  55      * time of bundle startup and will be destroyed only at time of
  56      * bundle destruction, this is the major difference with the
  57      * implementation retrieved via getImplementations where all of
  58      * them are assumed to be in a container!
  59      *
  60      *
  61      * @return The list of implementations the bundle will support,
  62      * in Global version
  63      */
  64     protected Object[] getGlobalImplementations() {
  65         Object[] res = { ConnectionManager.class };
  66         return res;
  67     }
  68
  69     /**
  70      * Configure the dependency for a given instance Global
  71      *
  72      * @param c Component assigned for this instance, this will be
  73      * what will be used for configuration
  74      * @param imp implementation to be configured
  75      * @param containerName container on which the configuration happens
  76      */
  77     protected void configureGlobalInstance(Component c, Object imp) {
  78         if (imp.equals(ConnectionManager.class)) {
  79             Dictionary<String, Object> props = new Hashtable<String, Object>();
  80             Set<String> propSet = new HashSet<String>();
  81             for (ConnectionMgmtScheme scheme:ConnectionMgmtScheme.values()) {
  82                 propSet.add("connectionmanager."+scheme.name()+".nodeconnections");
  83             }
  84             props.put("cachenames", propSet);
  85             props.put("scope", "Global");
  86
  87             // export the service
  88             c.setInterface(new String[] { IConnectionManager.class.getName(),
  89                                           IConnectionListener.class.getName(),
  90                                           ICoordinatorChangeAware.class.getName(),
  91                                           IListenInventoryUpdates.class.getName(),
  92                                           ICacheUpdateAware.class.getName()},
  93                                           props);
  94
  95             c.add(createServiceDependency()
  96                     .setService(IClusterGlobalServices.class)
  97                     .setCallbacks("setClusterServices", "unsetClusterServices")
  98                     .setRequired(true));
  99
 100             c.add(createServiceDependency().setService(IConnectionService.class)
 101                     .setCallbacks("setConnectionService", "unsetConnectionService")
 102                     .setRequired(true));
 103         }
 104     }
 105 }