samples/learning-switch/src/main/java/org/opendaylight/openflowplugin/learningswitch/WakeupOnNode.java

   1 /**
   2  * Copyright (c) 2014 Cisco Systems, 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.openflowplugin.learningswitch;
  10
  11 import java.util.Map;
  12 import java.util.Map.Entry;
  13
  14 import org.opendaylight.controller.md.sal.common.api.data.DataChangeEvent;
  15 import org.opendaylight.controller.sal.binding.api.data.DataChangeListener;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.Table;
  17 import org.opendaylight.yangtools.yang.binding.DataObject;
  18 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  19 import org.slf4j.Logger;
  20 import org.slf4j.LoggerFactory;
  21
  22 /**
  23  *
  24  */
  25 public class WakeupOnNode implements DataChangeListener {
  26
  27     private static final Logger LOG = LoggerFactory
  28             .getLogger(WakeupOnNode.class);
  29
  30     private SimpleLearningSwitchHandler learningSwitchHandler;
  31
  32     @Override
  33     public void onDataChanged(DataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
  34         Short requiredTableId = 0;
  35
  36         // TODO add flow
  37         Map<InstanceIdentifier<?>, DataObject> updated = change.getUpdatedOperationalData();
  38         for (Entry<InstanceIdentifier<?>, DataObject> updateItem : updated.entrySet()) {
  39             DataObject table = updateItem.getValue();
  40             if (table instanceof Table) {
  41                 Table tableSure = (Table) table;
  42                 LOG.trace("table: {}", table);
  43
  44                 if (requiredTableId.equals(tableSure.getId())) {
  45                     @SuppressWarnings("unchecked")
  46                     InstanceIdentifier<Table> tablePath = (InstanceIdentifier<Table>) updateItem.getKey();
  47                     learningSwitchHandler.onSwitchAppeared(tablePath);
  48                 }
  49             }
  50         }
  51     }
  52
  53     /**
  54      * @param learningSwitchHandler the learningSwitchHandler to set
  55      */
  56     public void setLearningSwitchHandler(
  57             SimpleLearningSwitchHandler learningSwitchHandler) {
  58         this.learningSwitchHandler = learningSwitchHandler;
  59     }
  60 }