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