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