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.ICacheUpdateAware;
  27 import org.opendaylight.controller.clustering.services.IClusterContainerServices;
  28
  29 public class Activator extends ComponentActivatorAbstractBase {
  30     protected static final Logger logger = LoggerFactory
  31             .getLogger(Activator.class);
  32
  33     /**
  34      * Function called when the activator starts just after some
  35      * initializations are done by the
  36      * ComponentActivatorAbstractBase.
  37      *
  38      */
  39     @Override
  40     public void init() {
  41     }
  42
  43     /**
  44      * Function called when the activator stops just before the
  45      * cleanup done by ComponentActivatorAbstractBase
  46      *
  47      */
  48     @Override
  49     public void destroy() {
  50
  51     }
  52
  53     /**
  54      * Function that is used to communicate to dependency manager the
  55      * list of known implementations for services inside a container
  56      *
  57      *
  58      * @return An array containing all the CLASS objects that will be
  59      * instantiated in order to get an fully working implementation
  60      * Object
  61      */
  62     @Override
  63     public Object[] getImplementations() {
  64         Object[] res = { DijkstraImplementation.class };
  65         return res;
  66     }
  67
  68     /**
  69      * Function that is called when configuration of the dependencies
  70      * is required.
  71      *
  72      * @param c dependency manager Component object, used for
  73      * configuring the dependencies exported and imported
  74      * @param imp Implementation class that is being configured,
  75      * needed as long as the same routine can configure multiple
  76      * implementations
  77      * @param containerName The containerName being configured, this allow
  78      * also optional per-container different behavior if needed, usually
  79      * should not be the case though.
  80      */
  81     @Override
  82     public void configureInstance(final Component c, final Object imp, final String containerName) {
  83         if (imp.equals(DijkstraImplementation.class)) {
  84             // export the service
  85             final Dictionary<String, Object> props = new Hashtable<String, Object>();
  86             props.put("topoListenerName", "routing.Dijkstra");
  87
  88             c.setInterface(new String[] { ITopologyManagerClusterWideAware.class.getName(), IRouting.class.getName() },
  89                     props);
  90
  91             // Now lets add a service dependency to make sure the
  92             // provider of service exists
  93             c.add(createContainerServiceDependency(containerName).setService(IListenRoutingUpdates.class)
  94                     .setCallbacks("setListenRoutingUpdates", "unsetListenRoutingUpdates")
  95                     .setRequired(false));
  96
  97             c.add(createContainerServiceDependency(containerName).setService(ISwitchManager.class)
  98                     .setCallbacks("setSwitchManager", "unsetSwitchManager")
  99                     .setRequired(true));
 100
 101             c.add(createContainerServiceDependency(containerName).setService(ITopologyManager.class)
 102                     .setCallbacks("setTopologyManager", "unsetTopologyManager")
 103                     .setRequired(true));
 104
 105             c.add(createContainerServiceDependency(containerName).setService(IClusterContainerServices.class)
 106                     .setCallbacks("setClusterContainerService", "unsetClusterContainerService")
 107                     .setRequired(true));
 108         }
 109     }
 110
 111     @Override
 112     protected Object[] getGlobalImplementations() {
 113         final Object[] res = { DijkstraImplementationCLI.class };
 114         return res;
 115     }
 116 }