opendaylight/adsal/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     @Override
  47     public Object[] getImplementations() {
  48         Object[] res = { ArpHandler.class };
  49         return res;
  50     }
  51
  52     /**
  53      * Function that is called when configuration of the dependencies
  54      * is required.
  55      *
  56      * @param c dependency manager Component object, used for
  57      * configuring the dependencies exported and imported
  58      * @param imp Implementation class that is being configured,
  59      * needed as long as the same routine can configure multiple
  60      * implementations
  61      * @param containerName The containerName being configured, this allow
  62      * also optional per-container different behavior if needed, usually
  63      * should not be the case though.
  64      */
  65     @Override
  66     public void configureInstance(Component c, Object imp, String containerName) {
  67         if (imp.equals(ArpHandler.class)) {
  68             // export the service
  69             Dictionary<String, Object> props = new Hashtable<String, Object>();
  70             props.put("salListenerName", "arphandler");
  71             Set<String> propSet = new HashSet<String>();
  72             propSet.add(ArpHandler.ARP_EVENT_CACHE_NAME);
  73             props.put("cachenames", propSet);
  74
  75             c.setInterface(new String[] {
  76                     IHostFinder.class.getName(),
  77                     IListenDataPacket.class.getName(),
  78                     ICacheUpdateAware.class.getName()}, props);
  79
  80             // We need connection mgr to distribute packet out across the cluster
  81             c.add(createServiceDependency().setService(
  82                     IConnectionManager.class).setCallbacks("setConnectionManager",
  83                     "unsetConnectionManager").setRequired(true));
  84
  85
  86             c.add(createContainerServiceDependency(containerName).setService(
  87                     ISwitchManager.class).setCallbacks("setSwitchManager",
  88                     "unsetSwitchManager").setRequired(true));
  89
  90             c.add(createContainerServiceDependency(containerName).setService(
  91                     ITopologyManager.class).setCallbacks("setTopologyManager",
  92                     "unsetTopologyMananger").setRequired(true));
  93
  94             c.add(createContainerServiceDependency(containerName).setService(
  95                     IDataPacketService.class).setCallbacks(
  96                     "setDataPacketService", "unsetDataPacketService")
  97                     .setRequired(true));
  98
  99             c.add(createContainerServiceDependency(containerName).setService(
 100                    IClusterContainerServices.class).setCallbacks(
 101                    "setClusterContainerService", "unsetClusterContainerService")
 102                    .setRequired(true));
 103
 104             // the Host Listener is optional
 105             c.add(createContainerServiceDependency(containerName).setService(
 106                     IfHostListener.class).setCallbacks("setHostListener",
 107                     "unsetHostListener").setRequired(false));
 108
 109             // the IfIptoHost is a required dependency
 110             c.add(createContainerServiceDependency(containerName).setService(
 111                     IfIptoHost.class).setCallbacks("setHostTracker",
 112                     "unsetHostTracker").setRequired(true));
 113         }
 114     }
 115 }