opendaylight/routing/dijkstra_implementation/src/main/java/org/opendaylight/controller/routing/dijkstra_implementation/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.routing.dijkstra_implementation.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.slf4j.Logger;
  19 import org.slf4j.LoggerFactory;
  20 import org.opendaylight.controller.sal.core.ComponentActivatorAbstractBase;
  21 import org.opendaylight.controller.sal.routing.IListenRoutingUpdates;
  22 import org.opendaylight.controller.sal.routing.IRouting;
  23 import org.opendaylight.controller.switchmanager.ISwitchManager;
  24 import org.opendaylight.controller.topologymanager.ITopologyManager;
  25 import org.opendaylight.controller.topologymanager.ITopologyManagerClusterWideAware;
  26 import org.opendaylight.controller.clustering.services.IClusterContainerServices;
  27
  28 public class Activator extends ComponentActivatorAbstractBase {
  29     protected static final Logger logger = LoggerFactory
  30             .getLogger(Activator.class);
  31
  32     /**
  33      * Function called when the activator starts just after some
  34      * initializations are done by the
  35      * ComponentActivatorAbstractBase.
  36      *
  37      */
  38     @Override
  39     public void init() {
  40     }
  41
  42     /**
  43      * Function called when the activator stops just before the
  44      * cleanup done by ComponentActivatorAbstractBase
  45      *
  46      */
  47     @Override
  48     public void destroy() {
  49
  50     }
  51
  52     /**
  53      * Function that is used to communicate to dependency manager the
  54      * list of known implementations for services inside a container
  55      *
  56      *
  57      * @return An array containing all the CLASS objects that will be
  58      * instantiated in order to get an fully working implementation
  59      * Object
  60      */
  61     @Override
  62     public Object[] getImplementations() {
  63         Object[] res = { DijkstraImplementation.class };
  64         return res;
  65     }
  66
  67     /**
  68      * Function that is called when configuration of the dependencies
  69      * is required.
  70      *
  71      * @param c dependency manager Component object, used for
  72      * configuring the dependencies exported and imported
  73      * @param imp Implementation class that is being configured,
  74      * needed as long as the same routine can configure multiple
  75      * implementations
  76      * @param containerName The containerName being configured, this allow
  77      * also optional per-container different behavior if needed, usually
  78      * should not be the case though.
  79      */
  80     @Override
  81     public void configureInstance(final Component c, final Object imp, final String containerName) {
  82         if (imp.equals(DijkstraImplementation.class)) {
  83             // export the service
  84             final Dictionary<String, Object> props = new Hashtable<String, Object>();
  85             props.put("topoListenerName", "routing.Dijkstra");
  86
  87             c.setInterface(new String[] { ITopologyManagerClusterWideAware.class.getName(), IRouting.class.getName() },
  88                     props);
  89
  90             // Now lets add a service dependency to make sure the
  91             // provider of service exists
  92             c.add(createContainerServiceDependency(containerName).setService(IListenRoutingUpdates.class)
  93                     .setCallbacks("setListenRoutingUpdates", "unsetListenRoutingUpdates")
  94                     .setRequired(false));
  95
  96             c.add(createContainerServiceDependency(containerName).setService(ISwitchManager.class)
  97                     .setCallbacks("setSwitchManager", "unsetSwitchManager")
  98                     .setRequired(true));
  99
 100             c.add(createContainerServiceDependency(containerName).setService(ITopologyManager.class)
 101                     .setCallbacks("setTopologyManager", "unsetTopologyManager")
 102                     .setRequired(true));
 103
 104             c.add(createContainerServiceDependency(containerName).setService(IClusterContainerServices.class)
 105                     .setCallbacks("setClusterContainerService", "unsetClusterContainerService")
 106                     .setRequired(true));
 107         }
 108     }
 109
 110     @Override
 111     protected Object[] getGlobalImplementations() {
 112         final Object[] res = { DijkstraImplementationCLI.class };
 113         return res;
 114     }
 115 }