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