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