opendaylight/forwarding/staticrouting/src/main/java/org/opendaylight/controller/forwarding/staticrouting/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.forwarding.staticrouting.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.forwarding.staticrouting.IForwardingStaticRouting;
  19 import org.opendaylight.controller.forwarding.staticrouting.IStaticRoutingAware;
  20 import org.opendaylight.controller.sal.core.ComponentActivatorAbstractBase;
  21 import org.slf4j.Logger;
  22 import org.slf4j.LoggerFactory;
  23
  24 import org.opendaylight.controller.clustering.services.ICacheUpdateAware;
  25 import org.opendaylight.controller.clustering.services.IClusterContainerServices;
  26 import org.opendaylight.controller.configuration.IConfigurationContainerAware;
  27 import org.opendaylight.controller.hosttracker.IfIptoHost;
  28 import org.opendaylight.controller.hosttracker.IfNewHostNotify;
  29
  30 public class Activator extends ComponentActivatorAbstractBase {
  31     protected static final Logger logger = LoggerFactory
  32             .getLogger(Activator.class);
  33
  34     /**
  35      * Function called when the activator starts just after some
  36      * initializations are done by the
  37      * ComponentActivatorAbstractBase.
  38      *
  39      */
  40     public void init() {
  41
  42     }
  43
  44     /**
  45      * Function called when the activator stops just before the
  46      * cleanup done by ComponentActivatorAbstractBase
  47      *
  48      */
  49     public void destroy() {
  50
  51     }
  52
  53     /**
  54      * Function that is used to communicate to dependency manager the
  55      * list of known implementations for services inside a container
  56      *
  57      *
  58      * @return An array containing all the CLASS objects that will be
  59      * instantiated in order to get an fully working implementation
  60      * Object
  61      */
  62     public Object[] getImplementations() {
  63         Object[] res = { StaticRoutingImplementation.class };
  64         return res;
  65     }
  66
  67     /**
  68      * Function that is called when configuration of the dependencies
  69      * is required.
  70      *
  71      * @param c dependency manager Component object, used for
  72      * configuring the dependencies exported and imported
  73      * @param imp Implementation class that is being configured,
  74      * needed as long as the same routine can configure multiple
  75      * implementations
  76      * @param containerName The containerName being configured, this allow
  77      * also optional per-container different behavior if needed, usually
  78      * should not be the case though.
  79      */
  80     public void configureInstance(Component c, Object imp, String containerName) {
  81         if (imp.equals(StaticRoutingImplementation.class)) {
  82             Dictionary<String, Set<String>> props = new Hashtable<String, Set<String>>();
  83             Set<String> propSet = new HashSet<String>();
  84             propSet.add("forwarding.staticrouting.configSaveEvent");
  85             props.put("cachenames", propSet);
  86             // export the service
  87
  88             c.setInterface(new String[] { ICacheUpdateAware.class.getName(),
  89                     IForwardingStaticRouting.class.getName(),
  90                     IfNewHostNotify.class.getName(),
  91                     IConfigurationContainerAware.class.getName() }, props);
  92
  93             c.add(createContainerServiceDependency(containerName).setService(
  94                     IClusterContainerServices.class).setCallbacks(
  95                     "setClusterContainerService",
  96                     "unsetClusterContainerService").setRequired(true));
  97
  98             c.add(createContainerServiceDependency(containerName).setService(
  99                     IfIptoHost.class).setCallbacks("setHostTracker",
 100                     "unsetHostTracker").setRequired(true));
 101
 102             // Static routing aware there could be many
 103             c.add(createContainerServiceDependency(containerName).setService(
 104                     IStaticRoutingAware.class).setCallbacks(
 105                     "setStaticRoutingAware", "unsetStaticRoutingAware")
 106                     .setRequired(false));
 107         }
 108     }
 109 }