opendaylight/arphandler/src/main/java/org/opendaylight/controller/arphandler/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.arphandler.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.connectionmanager.IConnectionManager;
  21 import org.opendaylight.controller.hosttracker.IfHostListener;
  22 import org.opendaylight.controller.hosttracker.IfIptoHost;
  23 import org.opendaylight.controller.hosttracker.hostAware.IHostFinder;
  24 import org.opendaylight.controller.sal.core.ComponentActivatorAbstractBase;
  25 import org.opendaylight.controller.sal.packet.IDataPacketService;
  26 import org.opendaylight.controller.sal.packet.IListenDataPacket;
  27 import org.opendaylight.controller.switchmanager.ISwitchManager;
  28 import org.opendaylight.controller.topologymanager.ITopologyManager;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31
  32 public class Activator extends ComponentActivatorAbstractBase {
  33     protected static final Logger logger = LoggerFactory
  34             .getLogger(Activator.class);
  35
  36
  37     /**
  38      * Function that is used to communicate to dependency manager the
  39      * list of known implementations for services inside a container
  40      *
  41      *
  42      * @return An array containing all the CLASS objects that will be
  43      * instantiated in order to get an fully working implementation
  44      * Object
  45      */
  46     public Object[] getImplementations() {
  47         Object[] res = { ArpHandler.class };
  48         return res;
  49     }
  50
  51     /**
  52      * Function that is called when configuration of the dependencies
  53      * is required.
  54      *
  55      * @param c dependency manager Component object, used for
  56      * configuring the dependencies exported and imported
  57      * @param imp Implementation class that is being configured,
  58      * needed as long as the same routine can configure multiple
  59      * implementations
  60      * @param containerName The containerName being configured, this allow
  61      * also optional per-container different behavior if needed, usually
  62      * should not be the case though.
  63      */
  64     public void configureInstance(Component c, Object imp, String containerName) {
  65         if (imp.equals(ArpHandler.class)) {
  66             // export the service
  67             Dictionary<String, Object> props = new Hashtable<String, Object>();
  68             props.put("salListenerName", "arphandler");
  69             Set<String> propSet = new HashSet<String>();
  70             propSet.add(ArpHandler.ARP_EVENT_CACHE_NAME);
  71             props.put("cachenames", propSet);
  72
  73             c.setInterface(new String[] {
  74                     IHostFinder.class.getName(),
  75                     IListenDataPacket.class.getName(),
  76                     ICacheUpdateAware.class.getName()}, props);
  77
  78             // We need connection mgr to distribute packet out across the cluster
  79             c.add(createServiceDependency().setService(
  80                     IConnectionManager.class).setCallbacks("setConnectionManager",
  81                     "unsetConnectionManager").setRequired(true));
  82
  83
  84             c.add(createContainerServiceDependency(containerName).setService(
  85                     ISwitchManager.class).setCallbacks("setSwitchManager",
  86                     "unsetSwitchManager").setRequired(true));
  87
  88             c.add(createContainerServiceDependency(containerName).setService(
  89                     ITopologyManager.class).setCallbacks("setTopologyManager",
  90                     "unsetTopologyMananger").setRequired(true));
  91
  92             c.add(createContainerServiceDependency(containerName).setService(
  93                     IDataPacketService.class).setCallbacks(
  94                     "setDataPacketService", "unsetDataPacketService")
  95                     .setRequired(true));
  96
  97             c.add(createContainerServiceDependency(containerName).setService(
  98                    IClusterContainerServices.class).setCallbacks(
  99                    "setClusterContainerService", "unsetClusterContainerService")
 100                    .setRequired(true));
 101
 102             // the Host Listener is optional
 103             c.add(createContainerServiceDependency(containerName).setService(
 104                     IfHostListener.class).setCallbacks("setHostListener",
 105                     "unsetHostListener").setRequired(false));
 106
 107             // the IfIptoHost is a required dependency
 108             c.add(createContainerServiceDependency(containerName).setService(
 109                     IfIptoHost.class).setCallbacks("setHostTracker",
 110                     "unsetHostTracker").setRequired(true));
 111         }
 112     }
 113 }