affinity/implementation/src/main/java/org/opendaylight/affinity/affinity/internal/Activator.java

   1 /*
   2  * Copyright (c) 2013 Plexxi, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.affinity.affinity.internal;
  10
  11 import java.util.Dictionary;
  12 import java.util.HashSet;
  13 import java.util.Hashtable;
  14 import java.util.Set;
  15
  16 import org.apache.felix.dm.Component;
  17 import org.opendaylight.controller.clustering.services.ICacheUpdateAware;
  18 import org.opendaylight.controller.clustering.services.IClusterContainerServices;
  19 import org.opendaylight.controller.configuration.IConfigurationContainerAware;
  20 import org.opendaylight.controller.sal.core.ComponentActivatorAbstractBase;
  21 import org.opendaylight.affinity.affinity.IAffinityManager;
  22 import org.opendaylight.affinity.affinity.IAffinityManagerAware;
  23 import org.opendaylight.controller.switchmanager.ISwitchManager;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26 import org.opendaylight.controller.hosttracker.IfIptoHost;
  27 import org.opendaylight.controller.hosttracker.IfNewHostNotify;
  28 import org.opendaylight.affinity.l2agent.IfL2Agent;
  29 import org.opendaylight.affinity.nfchainagent.NFchainAgent;
  30 import org.opendaylight.controller.sal.flowprogrammer.IFlowProgrammerService;
  31
  32 /**
  33  * AffinityManager 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     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     public void destroy() {
  57
  58     }
  59
  60     /**
  61      * Function that is used to communicate to dependency manager the
  62      * list of known implementations for services inside a container
  63      *
  64      *
  65      * @return An array containing all the CLASS objects that will be
  66      * instantiated in order to get an fully working implementation
  67      * Object
  68      */
  69     public Object[] getImplementations() {
  70         Object[] res = { AffinityManagerImpl.class };
  71         return res;
  72     }
  73
  74     /**
  75      * Function that is called when configuration of the dependencies
  76      * is required.
  77      *
  78      * @param c dependency manager Component object, used for
  79      * configuring the dependencies exported and imported
  80      * @param imp Implementation class that is being configured,
  81      * needed as long as the same routine can configure multiple
  82      * implementations
  83      * @param containerName The containerName being configured, this allow
  84      * also optional per-container different behavior if needed, usually
  85      * should not be the case though.
  86      */
  87     public void configureInstance(Component c, Object imp, String containerName) {
  88         if (imp.equals(AffinityManagerImpl.class)) {
  89             Dictionary<String, Set<String>> props = new Hashtable<String, Set<String>>();
  90             Set<String> propSet = new HashSet<String>();
  91             propSet.add("affinitymanager.configSaveEvent");
  92             props.put("cachenames", propSet);
  93             // export the service
  94             c.setInterface(new String[] {
  95                     IAffinityManager.class.getName(),
  96                     ICacheUpdateAware.class.getName(),
  97                     IfNewHostNotify.class.getName(),
  98                     IConfigurationContainerAware.class.getName() }, props);
  99
 100             // Now lets add a service dependency to make sure the
 101             // provider of service exists
 102             /* L2agent dependency causes the service to fail activation. tbd. */
 103             c.add(createContainerServiceDependency(containerName)
 104                   .setService(IfL2Agent.class)
 105                   .setCallbacks("setL2Agent", "unsetL2Agent")
 106                   .setRequired(true));
 107             c.add(createContainerServiceDependency(containerName).setService(
 108                     NFchainAgent.class).setCallbacks(
 109                     "setNFchainAgent", "unsetNFchainAgent")
 110                     .setRequired(true));
 111             c.add(createContainerServiceDependency(containerName)
 112                   .setService(IFlowProgrammerService.class)
 113                   .setCallbacks("setFlowProgrammerService", "unsetFlowProgrammerService")
 114                   .setRequired(true));
 115             c.add(createContainerServiceDependency(containerName).setService(
 116                     IClusterContainerServices.class).setCallbacks(
 117                     "setClusterContainerService",
 118                     "unsetClusterContainerService").setRequired(true));
 119             c.add(createContainerServiceDependency(containerName).setService(IfIptoHost.class)
 120                   .setCallbacks("setHostTracker", "unsetHostTracker").setRequired(true));
 121             c.add(createContainerServiceDependency(containerName)
 122                     .setService(ISwitchManager.class)
 123                     .setCallbacks("setSwitchManager", "unsetSwitchManager")
 124                     .setRequired(true));
 125             c.add(createContainerServiceDependency(containerName).setService(
 126                     IAffinityManagerAware.class).setCallbacks(
 127                     "setAffinityManagerAware", "unsetAffinityManagerAware")
 128                     .setRequired(false));
 129         }
 130     }
 131 }