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 that is used to communicate to dependency manager the
  34      * list of known implementations for services inside a container
  35      *
  36      *
  37      * @return An array containing all the CLASS objects that will be
  38      * instantiated in order to get an fully working implementation
  39      * Object
  40      */
  41     @Override
  42     public Object[] getImplementations() {
  43         Object[] res = { DijkstraImplementation.class };
  44         return res;
  45     }
  46
  47     /**
  48      * Function that is called when configuration of the dependencies
  49      * is required.
  50      *
  51      * @param c dependency manager Component object, used for
  52      * configuring the dependencies exported and imported
  53      * @param imp Implementation class that is being configured,
  54      * needed as long as the same routine can configure multiple
  55      * implementations
  56      * @param containerName The containerName being configured, this allow
  57      * also optional per-container different behavior if needed, usually
  58      * should not be the case though.
  59      */
  60     @Override
  61     public void configureInstance(final Component c, final Object imp, final String containerName) {
  62         if (imp.equals(DijkstraImplementation.class)) {
  63             // export the service
  64             final Dictionary<String, Object> props = new Hashtable<String, Object>();
  65             props.put("topoListenerName", "routing.Dijkstra");
  66
  67             c.setInterface(new String[] { ITopologyManagerClusterWideAware.class.getName(), IRouting.class.getName() },
  68                     props);
  69
  70             // Now lets add a service dependency to make sure the
  71             // provider of service exists
  72             c.add(createContainerServiceDependency(containerName).setService(IListenRoutingUpdates.class)
  73                     .setCallbacks("setListenRoutingUpdates", "unsetListenRoutingUpdates")
  74                     .setRequired(false));
  75
  76             c.add(createContainerServiceDependency(containerName).setService(ISwitchManager.class)
  77                     .setCallbacks("setSwitchManager", "unsetSwitchManager")
  78                     .setRequired(true));
  79
  80             c.add(createContainerServiceDependency(containerName).setService(ITopologyManager.class)
  81                     .setCallbacks("setTopologyManager", "unsetTopologyManager")
  82                     .setRequired(true));
  83
  84             c.add(createContainerServiceDependency(containerName).setService(IClusterContainerServices.class)
  85                     .setCallbacks("setClusterContainerService", "unsetClusterContainerService")
  86                     .setRequired(true));
  87         }
  88     }
  89
  90     @Override
  91     protected Object[] getGlobalImplementations() {
  92         final Object[] res = { DijkstraImplementationCLI.class };
  93         return res;
  94     }
  95 }