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.configuration.IConfigurationContainerService;
  22 import org.opendaylight.controller.sal.core.ComponentActivatorAbstractBase;
  23 import org.opendaylight.controller.sal.topology.IListenTopoUpdates;
  24 import org.opendaylight.controller.sal.topology.ITopologyService;
  25 import org.opendaylight.controller.switchmanager.ISwitchManager;
  26 import org.opendaylight.controller.topologymanager.ITopologyManager;
  27 import org.opendaylight.controller.topologymanager.ITopologyManagerAware;
  28 import org.opendaylight.controller.topologymanager.ITopologyManagerClusterWideAware;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31
  32 public class Activator extends ComponentActivatorAbstractBase {
  33     protected static final Logger logger = LoggerFactory
  34             .getLogger(Activator.class);
  35
  36
  37     /**
  38      * Function that is used to communicate to dependency manager the
  39      * list of known implementations for services inside a container
  40      *
  41      *
  42      * @return An array containing all the CLASS objects that will be
  43      * instantiated in order to get an fully working implementation
  44      * Object
  45      */
  46     @Override
  47     public Object[] getImplementations() {
  48         Object[] res = { TopologyManagerImpl.class };
  49         return res;
  50     }
  51
  52     /**
  53      * Function that is called when configuration of the dependencies
  54      * is required.
  55      *
  56      * @param c dependency manager Component object, used for
  57      * configuring the dependencies exported and imported
  58      * @param imp Implementation class that is being configured,
  59      * needed as long as the same routine can configure multiple
  60      * implementations
  61      * @param containerName The containerName being configured, this allow
  62      * also optional per-container different behavior if needed, usually
  63      * should not be the case though.
  64      */
  65     @Override
  66     public void configureInstance(Component c, Object imp, String containerName) {
  67         if (imp.equals(TopologyManagerImpl.class)) {
  68             // export the service needed to listen to topology updates
  69             Dictionary<String, Set<String>> props = new Hashtable<String, Set<String>>();
  70             Set<String> propSet = new HashSet<String>();
  71             propSet.add(TopologyManagerImpl.TOPOEDGESDB);
  72             props.put("cachenames", propSet);
  73
  74             c.setInterface(new String[] { IListenTopoUpdates.class.getName(),
  75                     ITopologyManager.class.getName(),
  76                     IConfigurationContainerAware.class.getName(),
  77                     ICacheUpdateAware.class.getName() }, props);
  78
  79             c.add(createContainerServiceDependency(containerName).setService(
  80                     ITopologyService.class).setCallbacks("setTopoService",
  81                     "unsetTopoService").setRequired(true));
  82
  83             c.add(createContainerServiceDependency(containerName).setService(
  84                     ISwitchManager.class).setCallbacks("setSwitchManager",
  85                     "unsetSwitchManager").setRequired(true));
  86
  87             // These are all the listeners for a topology manager
  88             // updates, there could be many or none
  89             c.add(createContainerServiceDependency(containerName).setService(
  90                     ITopologyManagerAware.class).setCallbacks(
  91                     "setTopologyManagerAware", "unsetTopologyManagerAware")
  92                     .setRequired(false));
  93
  94             // These are all the listeners for a topology manager for the
  95             // cluster wide events
  96             // updates, there could be many or none
  97             c.add(createContainerServiceDependency(containerName).setService(ITopologyManagerClusterWideAware.class)
  98                     .setCallbacks("setTopologyManagerClusterWideAware", "unsetTopologyManagerClusterWideAware")
  99                     .setRequired(false));
 100
 101             c.add(createContainerServiceDependency(containerName).setService(
 102                     IClusterContainerServices.class).setCallbacks(
 103                     "setClusterContainerService",
 104                     "unsetClusterContainerService").setRequired(true));
 105
 106             c.add(createContainerServiceDependency(containerName).setService(
 107                     IConfigurationContainerService.class).setCallbacks(
 108                     "setConfigurationContainerService",
 109                     "unsetConfigurationContainerService").setRequired(true));
 110         }
 111     }
 112 }