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.Hashtable;
  13 import java.util.Dictionary;
  14 import org.apache.felix.dm.Component;
  15 import org.slf4j.Logger;
  16 import org.slf4j.LoggerFactory;
  17
  18 import org.opendaylight.controller.hosttracker.IfHostListener;
  19 import org.opendaylight.controller.hosttracker.IfIptoHost;
  20 import org.opendaylight.controller.hosttracker.hostAware.IHostFinder;
  21 import org.opendaylight.controller.sal.core.ComponentActivatorAbstractBase;
  22 import org.opendaylight.controller.sal.packet.IListenDataPacket;
  23 import org.opendaylight.controller.sal.packet.IDataPacketService;
  24 import org.opendaylight.controller.switchmanager.ISwitchManager;
  25 import org.opendaylight.controller.topologymanager.ITopologyManager;
  26
  27 public class Activator extends ComponentActivatorAbstractBase {
  28     protected static final Logger logger = LoggerFactory
  29             .getLogger(Activator.class);
  30
  31     /**
  32      * Function called when the activator starts just after some
  33      * initializations are done by the
  34      * ComponentActivatorAbstractBase.
  35      *
  36      */
  37     public void init() {
  38
  39     }
  40
  41     /**
  42      * Function called when the activator stops just before the
  43      * cleanup done by ComponentActivatorAbstractBase
  44      *
  45      */
  46     public void destroy() {
  47
  48     }
  49
  50     /**
  51      * Function that is used to communicate to dependency manager the
  52      * list of known implementations for services inside a container
  53      *
  54      *
  55      * @return An array containing all the CLASS objects that will be
  56      * instantiated in order to get an fully working implementation
  57      * Object
  58      */
  59     public Object[] getImplementations() {
  60         Object[] res = { ArpHandler.class };
  61         return res;
  62     }
  63
  64     /**
  65      * Function that is called when configuration of the dependencies
  66      * is required.
  67      *
  68      * @param c dependency manager Component object, used for
  69      * configuring the dependencies exported and imported
  70      * @param imp Implementation class that is being configured,
  71      * needed as long as the same routine can configure multiple
  72      * implementations
  73      * @param containerName The containerName being configured, this allow
  74      * also optional per-container different behavior if needed, usually
  75      * should not be the case though.
  76      */
  77     public void configureInstance(Component c, Object imp, String containerName) {
  78         if (imp.equals(ArpHandler.class)) {
  79             // export the service
  80             Dictionary<String, String> props = new Hashtable<String, String>();
  81             props.put("salListenerName", "arphandler");
  82             c.setInterface(new String[] { IHostFinder.class.getName(),
  83                     IListenDataPacket.class.getName() }, props);
  84
  85             c.add(createContainerServiceDependency(containerName).setService(
  86                     ISwitchManager.class).setCallbacks("setSwitchManager",
  87                     "unsetSwitchManager").setRequired(true));
  88
  89             c.add(createContainerServiceDependency(containerName).setService(
  90                     ITopologyManager.class).setCallbacks("setTopologyManager",
  91                     "unsetTopologyMananger").setRequired(true));
  92
  93            c.add(createContainerServiceDependency(containerName).setService(
  94                     IDataPacketService.class).setCallbacks(
  95                     "setDataPacketService", "unsetDataPacketService")
  96                     .setRequired(true));
  97
  98             // the Host Listener is optional
  99             c.add(createContainerServiceDependency(containerName).setService(
 100                     IfHostListener.class).setCallbacks("setHostListener",
 101                     "unsetHostListener").setRequired(false));
 102
 103             // the IfIptoHost is a required dependency
 104             c.add(createContainerServiceDependency(containerName).setService(
 105                     IfIptoHost.class).setCallbacks("setHostTracker",
 106                     "unsetHostTracker").setRequired(true));
 107         }
 108     }
 109 }