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      * Function called when the activator starts just after some
  38      * initializations are done by the
  39      * ComponentActivatorAbstractBase.
  40      *
  41      */
  42     public void init() {
  43
  44     }
  45
  46     /**
  47      * Function called when the activator stops just before the
  48      * cleanup done by ComponentActivatorAbstractBase
  49      *
  50      */
  51     public void destroy() {
  52
  53     }
  54
  55     /**
  56      * Function that is used to communicate to dependency manager the
  57      * list of known implementations for services inside a container
  58      *
  59      *
  60      * @return An array containing all the CLASS objects that will be
  61      * instantiated in order to get an fully working implementation
  62      * Object
  63      */
  64     public Object[] getImplementations() {
  65         Object[] res = { ArpHandler.class };
  66         return res;
  67     }
  68
  69     /**
  70      * Function that is called when configuration of the dependencies
  71      * is required.
  72      *
  73      * @param c dependency manager Component object, used for
  74      * configuring the dependencies exported and imported
  75      * @param imp Implementation class that is being configured,
  76      * needed as long as the same routine can configure multiple
  77      * implementations
  78      * @param containerName The containerName being configured, this allow
  79      * also optional per-container different behavior if needed, usually
  80      * should not be the case though.
  81      */
  82     public void configureInstance(Component c, Object imp, String containerName) {
  83         if (imp.equals(ArpHandler.class)) {
  84             // export the service
  85             Dictionary<String, Object> props = new Hashtable<String, Object>();
  86             props.put("salListenerName", "arphandler");
  87             Set<String> propSet = new HashSet<String>();
  88             propSet.add(ArpHandler.ARP_EVENT_CACHE_NAME);
  89             props.put("cachenames", propSet);
  90
  91             c.setInterface(new String[] {
  92                     IHostFinder.class.getName(),
  93                     IListenDataPacket.class.getName(),
  94                     ICacheUpdateAware.class.getName()}, props);
  95
  96             // We need connection mgr to distribute packet out across the cluster
  97             c.add(createServiceDependency().setService(
  98                     IConnectionManager.class).setCallbacks("setConnectionManager",
  99                     "unsetConnectionManager").setRequired(true));
 100
 101
 102             c.add(createContainerServiceDependency(containerName).setService(
 103                     ISwitchManager.class).setCallbacks("setSwitchManager",
 104                     "unsetSwitchManager").setRequired(true));
 105
 106             c.add(createContainerServiceDependency(containerName).setService(
 107                     ITopologyManager.class).setCallbacks("setTopologyManager",
 108                     "unsetTopologyMananger").setRequired(true));
 109
 110             c.add(createContainerServiceDependency(containerName).setService(
 111                     IDataPacketService.class).setCallbacks(
 112                     "setDataPacketService", "unsetDataPacketService")
 113                     .setRequired(true));
 114
 115             c.add(createContainerServiceDependency(containerName).setService(
 116                    IClusterContainerServices.class).setCallbacks(
 117                    "setClusterContainerService", "unsetClusterContainerService")
 118                    .setRequired(true));
 119
 120             // the Host Listener is optional
 121             c.add(createContainerServiceDependency(containerName).setService(
 122                     IfHostListener.class).setCallbacks("setHostListener",
 123                     "unsetHostListener").setRequired(false));
 124
 125             // the IfIptoHost is a required dependency
 126             c.add(createContainerServiceDependency(containerName).setService(
 127                     IfIptoHost.class).setCallbacks("setHostTracker",
 128                     "unsetHostTracker").setRequired(true));
 129         }
 130     }
 131 }