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.opendaylight.controller.topologymanager.ITopologyManagerShell;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 public class Activator extends ComponentActivatorAbstractBase {
  34     protected static final Logger logger = LoggerFactory
  35             .getLogger(Activator.class);
  36
  37
  38     /**
  39      * Function that is used to communicate to dependency manager the
  40      * list of known implementations for services inside a container
  41      *
  42      *
  43      * @return An array containing all the CLASS objects that will be
  44      * instantiated in order to get an fully working implementation
  45      * Object
  46      */
  47     @Override
  48     public Object[] getImplementations() {
  49         Object[] res = { TopologyManagerImpl.class };
  50         return res;
  51     }
  52
  53     /**
  54      * Function that is called when configuration of the dependencies
  55      * is required.
  56      *
  57      * @param c dependency manager Component object, used for
  58      * configuring the dependencies exported and imported
  59      * @param imp Implementation class that is being configured,
  60      * needed as long as the same routine can configure multiple
  61      * implementations
  62      * @param containerName The containerName being configured, this allow
  63      * also optional per-container different behavior if needed, usually
  64      * should not be the case though.
  65      */
  66     @Override
  67     public void configureInstance(Component c, Object imp, String containerName) {
  68         if (imp.equals(TopologyManagerImpl.class)) {
  69             // export the service needed to listen to topology updates
  70             Dictionary<String, Set<String>> props = new Hashtable<String, Set<String>>();
  71             Set<String> propSet = new HashSet<String>();
  72             propSet.add(TopologyManagerImpl.TOPOEDGESDB);
  73             props.put("cachenames", propSet);
  74
  75             c.setInterface(new String[] { IListenTopoUpdates.class.getName(),
  76                     ITopologyManager.class.getName(),
  77                     ITopologyManagerShell.class.getName(),
  78                     IConfigurationContainerAware.class.getName(),
  79                     ICacheUpdateAware.class.getName() }, props);
  80
  81             c.add(createContainerServiceDependency(containerName).setService(
  82                     ITopologyService.class).setCallbacks("setTopoService",
  83                     "unsetTopoService").setRequired(true));
  84
  85             c.add(createContainerServiceDependency(containerName).setService(
  86                     ISwitchManager.class).setCallbacks("setSwitchManager",
  87                     "unsetSwitchManager").setRequired(true));
  88
  89             // These are all the listeners for a topology manager
  90             // updates, there could be many or none
  91             c.add(createContainerServiceDependency(containerName).setService(
  92                     ITopologyManagerAware.class).setCallbacks(
  93                     "setTopologyManagerAware", "unsetTopologyManagerAware")
  94                     .setRequired(false));
  95
  96             // These are all the listeners for a topology manager for the
  97             // cluster wide events
  98             // updates, there could be many or none
  99             c.add(createContainerServiceDependency(containerName).setService(ITopologyManagerClusterWideAware.class)
 100                     .setCallbacks("setTopologyManagerClusterWideAware", "unsetTopologyManagerClusterWideAware")
 101                     .setRequired(false));
 102
 103             c.add(createContainerServiceDependency(containerName).setService(
 104                     IClusterContainerServices.class).setCallbacks(
 105                     "setClusterContainerService",
 106                     "unsetClusterContainerService").setRequired(true));
 107
 108             c.add(createContainerServiceDependency(containerName).setService(
 109                     IConfigurationContainerService.class).setCallbacks(
 110                     "setConfigurationContainerService",
 111                     "unsetConfigurationContainerService").setRequired(true));
 112         }
 113     }
 114 }