opendaylight/switchmanager/implementation/src/main/java/org/opendaylight/controller/switchmanager/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.switchmanager.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.configuration.IConfigurationContainerAware;
  21 import org.opendaylight.controller.sal.core.ComponentActivatorAbstractBase;
  22 import org.opendaylight.controller.sal.inventory.IInventoryService;
  23 import org.opendaylight.controller.sal.inventory.IListenInventoryUpdates;
  24 import org.opendaylight.controller.statisticsmanager.IStatisticsManager;
  25 import org.opendaylight.controller.switchmanager.IInventoryListener;
  26 import org.opendaylight.controller.switchmanager.ISpanAware;
  27 import org.opendaylight.controller.switchmanager.ISwitchManager;
  28 import org.opendaylight.controller.switchmanager.ISwitchManagerAware;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31
  32 /**
  33  * SwitchManager Bundle Activator
  34  *
  35  *
  36  */
  37 public class Activator extends ComponentActivatorAbstractBase {
  38     protected static final Logger logger = LoggerFactory
  39             .getLogger(Activator.class);
  40
  41     /**
  42      * Function called when the activator starts just after some
  43      * initializations are done by the
  44      * ComponentActivatorAbstractBase.
  45      *
  46      */
  47     @Override
  48     public void init() {
  49
  50     }
  51
  52     /**
  53      * Function called when the activator stops just before the
  54      * cleanup done by ComponentActivatorAbstractBase
  55      *
  56      */
  57     @Override
  58     public void destroy() {
  59
  60     }
  61
  62     /**
  63      * Function that is used to communicate to dependency manager the
  64      * list of known implementations for services inside a container
  65      *
  66      *
  67      * @return An array containing all the CLASS objects that will be
  68      * instantiated in order to get an fully working implementation
  69      * Object
  70      */
  71     @Override
  72     public Object[] getImplementations() {
  73         Object[] res = { SwitchManager.class };
  74         return res;
  75     }
  76
  77     /**
  78      * Function that is called when configuration of the dependencies
  79      * is required.
  80      *
  81      * @param c dependency manager Component object, used for
  82      * configuring the dependencies exported and imported
  83      * @param imp Implementation class that is being configured,
  84      * needed as long as the same routine can configure multiple
  85      * implementations
  86      * @param containerName The containerName being configured, this allow
  87      * also optional per-container different behavior if needed, usually
  88      * should not be the case though.
  89      */
  90     @Override
  91     public void configureInstance(Component c, Object imp, String containerName) {
  92         if (imp.equals(SwitchManager.class)) {
  93             Dictionary<String, Set<String>> props = new Hashtable<String, Set<String>>();
  94             Set<String> propSet = new HashSet<String>();
  95             propSet.add("switchmanager.configSaveEvent");
  96             props.put("cachenames", propSet);
  97             // export the service
  98             c.setInterface(new String[] {
  99                     IListenInventoryUpdates.class.getName(),
 100                     ISwitchManager.class.getName(),
 101                     ICacheUpdateAware.class.getName(),
 102                     IConfigurationContainerAware.class.getName() }, props);
 103
 104             // Now lets add a service dependency to make sure the
 105             // provider of service exists
 106             c.add(createContainerServiceDependency(containerName).setService(
 107                     IInventoryService.class).setCallbacks(
 108                     "setInventoryService", "unsetInventoryService")
 109                     .setRequired(false));
 110             c.add(createContainerServiceDependency(containerName).setService(
 111                     IStatisticsManager.class).setCallbacks(
 112                     "setStatisticsManager", "unsetStatisticsManager")
 113                     .setRequired(false));
 114             c.add(createContainerServiceDependency(containerName).setService(
 115                     ISwitchManagerAware.class).setCallbacks(
 116                     "setSwitchManagerAware", "unsetSwitchManagerAware")
 117                     .setRequired(false));
 118             c.add(createContainerServiceDependency(containerName).setService(
 119                     IInventoryListener.class).setCallbacks(
 120                     "setInventoryListener", "unsetInventoryListener")
 121                     .setRequired(false));
 122             c.add(createContainerServiceDependency(containerName).setService(
 123                     ISpanAware.class).setCallbacks("setSpanAware",
 124                     "unsetSpanAware").setRequired(false));
 125             c.add(createContainerServiceDependency(containerName).setService(
 126                     IClusterContainerServices.class).setCallbacks(
 127                     "setClusterContainerService",
 128                     "unsetClusterContainerService").setRequired(true));
 129         }
 130     }
 131
 132     @Override
 133     protected Object[] getGlobalImplementations() {
 134         final Object[] res = { SwitchManagerCLI.class };
 135         return res;
 136     }
 137 }