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