opendaylight/adsal/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.Hashtable;
  14
  15 import org.apache.felix.dm.Component;
  16 import org.slf4j.Logger;
  17 import org.slf4j.LoggerFactory;
  18 import org.opendaylight.controller.sal.core.ComponentActivatorAbstractBase;
  19 import org.opendaylight.controller.sal.routing.IListenRoutingUpdates;
  20 import org.opendaylight.controller.sal.routing.IRouting;
  21 import org.opendaylight.controller.switchmanager.ISwitchManager;
  22 import org.opendaylight.controller.topologymanager.ITopologyManager;
  23 import org.opendaylight.controller.topologymanager.ITopologyManagerClusterWideAware;
  24 import org.opendaylight.controller.clustering.services.IClusterContainerServices;
  25
  26 public class Activator extends ComponentActivatorAbstractBase {
  27     protected static final Logger logger = LoggerFactory
  28             .getLogger(Activator.class);
  29
  30     /**
  31      * Function that is used to communicate to dependency manager the
  32      * list of known implementations for services inside a container
  33      *
  34      *
  35      * @return An array containing all the CLASS objects that will be
  36      * instantiated in order to get an fully working implementation
  37      * Object
  38      */
  39     @Override
  40     public Object[] getImplementations() {
  41         Object[] res = { DijkstraImplementation.class };
  42         return res;
  43     }
  44
  45     /**
  46      * Function that is called when configuration of the dependencies
  47      * is required.
  48      *
  49      * @param c dependency manager Component object, used for
  50      * configuring the dependencies exported and imported
  51      * @param imp Implementation class that is being configured,
  52      * needed as long as the same routine can configure multiple
  53      * implementations
  54      * @param containerName The containerName being configured, this allow
  55      * also optional per-container different behavior if needed, usually
  56      * should not be the case though.
  57      */
  58     @Override
  59     public void configureInstance(final Component c, final Object imp, final String containerName) {
  60         if (imp.equals(DijkstraImplementation.class)) {
  61             // export the service
  62             final Dictionary<String, Object> props = new Hashtable<String, Object>();
  63             props.put("topoListenerName", "routing.Dijkstra");
  64
  65             c.setInterface(new String[] { ITopologyManagerClusterWideAware.class.getName(), IRouting.class.getName() },
  66                     props);
  67
  68             // Now lets add a service dependency to make sure the
  69             // provider of service exists
  70             c.add(createContainerServiceDependency(containerName).setService(IListenRoutingUpdates.class)
  71                     .setCallbacks("setListenRoutingUpdates", "unsetListenRoutingUpdates")
  72                     .setRequired(false));
  73
  74             c.add(createContainerServiceDependency(containerName).setService(ISwitchManager.class)
  75                     .setCallbacks("setSwitchManager", "unsetSwitchManager")
  76                     .setRequired(true));
  77
  78             c.add(createContainerServiceDependency(containerName).setService(ITopologyManager.class)
  79                     .setCallbacks("setTopologyManager", "unsetTopologyManager")
  80                     .setRequired(true));
  81
  82             c.add(createContainerServiceDependency(containerName).setService(IClusterContainerServices.class)
  83                     .setCallbacks("setClusterContainerService", "unsetClusterContainerService")
  84                     .setRequired(true));
  85         }
  86     }
  87
  88     @Override
  89     protected Object[] getGlobalImplementations() {
  90         final Object[] res = { DijkstraImplementationCLI.class };
  91         return res;
  92     }
  93 }