opendaylight/hosttracker_new/implementation/src/main/java/org/opendaylight/controller/hosttracker/internal/Activator.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.controller.hosttracker.internal;
  10
  11 import java.util.Dictionary;
  12 import java.util.Hashtable;
  13
  14 import org.apache.felix.dm.Component;
  15 import org.opendaylight.controller.hosttracker.IDeviceService;
  16 import org.opendaylight.controller.hosttracker.IfIptoHost;
  17 import org.opendaylight.controller.hosttracker.IfNewHostNotify;
  18 import org.opendaylight.controller.sal.core.ComponentActivatorAbstractBase;
  19 import org.opendaylight.controller.sal.packet.IDataPacketService;
  20 import org.opendaylight.controller.sal.packet.IListenDataPacket;
  21 import org.opendaylight.controller.switchmanager.ISwitchManager;
  22 import org.opendaylight.controller.topologymanager.ITopologyManager;
  23 import org.opendaylight.controller.topologymanager.ITopologyManagerAware;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26
  27 public class Activator extends ComponentActivatorAbstractBase {
  28     protected static final Logger logger = LoggerFactory
  29             .getLogger(Activator.class);
  30
  31     @Override
  32     protected void init() {
  33
  34     }
  35
  36     @Override
  37     protected void destroy() {
  38
  39     }
  40
  41     /**
  42      * Function that is used to communicate to dependency manager the list of
  43      * known implementations for services inside a container
  44      *
  45      *
  46      * @return An array containing all the CLASS objects that will be
  47      *         instantiated in order to get an fully working implementation
  48      *         Object
  49      */
  50     @Override
  51     public Object[] getImplementations() {
  52         Object[] res = { DeviceManagerImpl.class };
  53         return res;
  54     }
  55
  56     /**
  57      * Function that is called when configuration of the dependencies is
  58      * required.
  59      *
  60      * @param c
  61      *            dependency manager Component object, used for configuring the
  62      *            dependencies exported and imported
  63      * @param imp
  64      *            Implementation class that is being configured, needed as long
  65      *            as the same routine can configure multiple implementations
  66      * @param containerName
  67      *            The containerName being configured, this allow also optional
  68      *            per-container different behavior if needed, usually should not
  69      *            be the case though.
  70      */
  71     @Override
  72     public void configureInstance(Component c, Object imp, String containerName) {
  73         if (imp.equals(DeviceManagerImpl.class)) {
  74             // export the service
  75             // XXX - TODO merge with existing APIs
  76             Dictionary<String, String> props = new Hashtable<String, String>();
  77             props.put("salListenerName", "devicemanager");
  78
  79             c.setInterface(
  80                     new String[] { IDeviceService.class.getName(),
  81                             IfIptoHost.class.getName(),
  82                             IListenDataPacket.class.getName(),
  83                             ITopologyManagerAware.class.getName() }, props);
  84
  85             c.add(createContainerServiceDependency(containerName)
  86                     .setService(ISwitchManager.class)
  87                     .setCallbacks("setSwitchManager", "unsetSwitchManager")
  88                     .setRequired(false));
  89
  90             c.add(createContainerServiceDependency(containerName)
  91                     .setService(IDataPacketService.class)
  92                     .setCallbacks("setDataPacketService",
  93                             "unsetDataPacketService").setRequired(true));
  94
  95             c.add(createContainerServiceDependency(containerName)
  96                     .setService(IfNewHostNotify.class)
  97                     .setCallbacks("setNewHostNotify",
  98                             "unsetNewHostNotify").setRequired(false));
  99
 100             // c.add(createContainerServiceDependency(containerName).setService(
 101             // IClusterContainerServices.class).setCallbacks(
 102             // "setClusterContainerService",
 103             // "unsetClusterContainerService").setRequired(true));
 104             c.add(createContainerServiceDependency(containerName)
 105                     .setService(ITopologyManager.class)
 106                     .setCallbacks("setTopologyManager", "unsetTopologyManager")
 107                     .setRequired(false));
 108         }
 109     }
 110
 111     /**
 112      * Method which tells how many Global implementations are supported by the
 113      * bundle. This way we can tune the number of components created. This
 114      * components will be created ONLY at the time of bundle startup and will be
 115      * destroyed only at time of bundle destruction, this is the major
 116      * difference with the implementation retrieved via getImplementations where
 117      * all of them are assumed to be in a container !
 118      *
 119      *
 120      * @return The list of implementations the bundle will support, in Global
 121      *         version
 122      */
 123     @Override
 124     protected Object[] getGlobalImplementations() {
 125         return null;
 126     }
 127
 128     /**
 129      * Configure the dependency for a given instance Global
 130      *
 131      * @param c
 132      *            Component assigned for this instance, this will be what will
 133      *            be used for configuration
 134      * @param imp
 135      *            implementation to be configured
 136      * @param containerName
 137      *            container on which the configuration happens
 138      */
 139     @Override
 140     protected void configureGlobalInstance(Component c, Object imp) {
 141
 142     }
 143
 144 }