opendaylight/topologymanager/implementation/src/main/java/org/opendaylight/controller/topologymanager/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.topologymanager.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.apache.felix.dm.Component;
  18 import org.opendaylight.controller.clustering.services.ICacheUpdateAware;
  19 import org.opendaylight.controller.clustering.services.IClusterContainerServices;
  20 import org.opendaylight.controller.configuration.IConfigurationContainerAware;
  21 import org.opendaylight.controller.sal.core.ComponentActivatorAbstractBase;
  22 import org.opendaylight.controller.sal.topology.IListenTopoUpdates;
  23 import org.opendaylight.controller.sal.topology.ITopologyService;
  24 import org.opendaylight.controller.switchmanager.ISwitchManager;
  25 import org.opendaylight.controller.topologymanager.ITopologyManager;
  26 import org.opendaylight.controller.topologymanager.ITopologyManagerAware;
  27 import org.opendaylight.controller.topologymanager.ITopologyManagerClusterWideAware;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 public class Activator extends ComponentActivatorAbstractBase {
  32     protected static final Logger logger = LoggerFactory
  33             .getLogger(Activator.class);
  34
  35
  36     /**
  37      * Function that is used to communicate to dependency manager the
  38      * list of known implementations for services inside a container
  39      *
  40      *
  41      * @return An array containing all the CLASS objects that will be
  42      * instantiated in order to get an fully working implementation
  43      * Object
  44      */
  45     @Override
  46     public Object[] getImplementations() {
  47         Object[] res = { TopologyManagerImpl.class };
  48         return res;
  49     }
  50
  51     /**
  52      * Function that is called when configuration of the dependencies
  53      * is required.
  54      *
  55      * @param c dependency manager Component object, used for
  56      * configuring the dependencies exported and imported
  57      * @param imp Implementation class that is being configured,
  58      * needed as long as the same routine can configure multiple
  59      * implementations
  60      * @param containerName The containerName being configured, this allow
  61      * also optional per-container different behavior if needed, usually
  62      * should not be the case though.
  63      */
  64     @Override
  65     public void configureInstance(Component c, Object imp, String containerName) {
  66         if (imp.equals(TopologyManagerImpl.class)) {
  67             // export the service needed to listen to topology updates
  68             Dictionary<String, Set<String>> props = new Hashtable<String, Set<String>>();
  69             Set<String> propSet = new HashSet<String>();
  70             propSet.add(TopologyManagerImpl.TOPOEDGESDB);
  71             props.put("cachenames", propSet);
  72
  73             c.setInterface(new String[] { IListenTopoUpdates.class.getName(),
  74                     ITopologyManager.class.getName(),
  75                     IConfigurationContainerAware.class.getName(),
  76                     ICacheUpdateAware.class.getName() }, props);
  77
  78             c.add(createContainerServiceDependency(containerName).setService(
  79                     ITopologyService.class).setCallbacks("setTopoService",
  80                     "unsetTopoService").setRequired(true));
  81
  82             c.add(createContainerServiceDependency(containerName).setService(
  83                     ISwitchManager.class).setCallbacks("setSwitchManager",
  84                     "unsetSwitchManager").setRequired(true));
  85
  86             // These are all the listeners for a topology manager
  87             // updates, there could be many or none
  88             c.add(createContainerServiceDependency(containerName).setService(
  89                     ITopologyManagerAware.class).setCallbacks(
  90                     "setTopologyManagerAware", "unsetTopologyManagerAware")
  91                     .setRequired(false));
  92
  93             // These are all the listeners for a topology manager for the
  94             // cluster wide events
  95             // updates, there could be many or none
  96             c.add(createContainerServiceDependency(containerName).setService(ITopologyManagerClusterWideAware.class)
  97                     .setCallbacks("setTopologyManagerClusterWideAware", "unsetTopologyManagerClusterWideAware")
  98                     .setRequired(false));
  99
 100             c.add(createContainerServiceDependency(containerName).setService(
 101                     IClusterContainerServices.class).setCallbacks(
 102                     "setClusterContainerService",
 103                     "unsetClusterContainerService").setRequired(true));
 104         }
 105     }
 106 }