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.IInventoryService;
  29 import org.opendaylight.controller.sal.inventory.IListenInventoryUpdates;
  30
  31 public class Activator extends ComponentActivatorAbstractBase {
  32     protected static final Logger logger = LoggerFactory
  33             .getLogger(Activator.class);
  34
  35
  36     /**
  37      * Method which tells how many Global implementations are
  38      * supported by the bundle. This way we can tune the number of
  39      * components created. This components will be created ONLY at the
  40      * time of bundle startup and will be destroyed only at time of
  41      * bundle destruction, this is the major difference with the
  42      * implementation retrieved via getImplementations where all of
  43      * them are assumed to be in a container!
  44      *
  45      *
  46      * @return The list of implementations the bundle will support,
  47      * in Global version
  48      */
  49     @Override
  50     protected Object[] getGlobalImplementations() {
  51         Object[] res = { ConnectionManager.class };
  52         return res;
  53     }
  54
  55     /**
  56      * Configure the dependency for a given instance Global
  57      *
  58      * @param c Component assigned for this instance, this will be
  59      * what will be used for configuration
  60      * @param imp implementation to be configured
  61      * @param containerName container on which the configuration happens
  62      */
  63     @Override
  64     protected void configureGlobalInstance(Component c, Object imp) {
  65         if (imp.equals(ConnectionManager.class)) {
  66             Dictionary<String, Object> props = new Hashtable<String, Object>();
  67             Set<String> propSet = new HashSet<String>();
  68             for (ConnectionMgmtScheme scheme:ConnectionMgmtScheme.values()) {
  69                 propSet.add("connectionmanager."+scheme.name()+".nodeconnections");
  70             }
  71             props.put("cachenames", propSet);
  72             props.put("scope", "Global");
  73
  74             // export the service
  75             c.setInterface(new String[] { IConnectionManager.class.getName(),
  76                                           IConnectionListener.class.getName(),
  77                                           ICoordinatorChangeAware.class.getName(),
  78                                           IListenInventoryUpdates.class.getName(),
  79                                           ICacheUpdateAware.class.getName()},
  80                                           props);
  81
  82             c.add(createServiceDependency()
  83                     .setService(IClusterGlobalServices.class)
  84                     .setCallbacks("setClusterServices", "unsetClusterServices")
  85                     .setRequired(true));
  86
  87             c.add(createServiceDependency().setService(IConnectionService.class)
  88                     .setCallbacks("setConnectionService", "unsetConnectionService")
  89                     .setRequired(true));
  90             c.add(createServiceDependency().setService(IInventoryService.class, "(scope=Global)")
  91                     .setCallbacks("setInventoryService", "unsetInventoryService")
  92                     .setRequired(true));
  93         }
  94     }
  95 }