applications/notification-supplier/src/main/java/org/opendaylight/openflowplugin/applications/notification/supplier/impl/item/stat/QueueStatNotificationSupplierImpl.java

   1 /*
   2  * Copyright (c) 2015 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.applications.notification.supplier.impl.item.stat;
  10
  11 import com.google.common.base.Preconditions;
  12 import java.util.Collections;
  13 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  14 import org.opendaylight.controller.sal.binding.api.NotificationProviderService;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.queues.Queue;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorBuilder;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorKey;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.FlowCapableNodeConnectorQueueStatisticsData;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.QueueStatisticsUpdate;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.QueueStatisticsUpdateBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.queue.id.and.statistics.map.QueueIdAndStatisticsMapBuilder;
  24 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  25
  26 /**
  27  * Implementation define a contract between {@link FlowCapableNodeConnectorQueueStatisticsData} data object
  28  * and {@link QueueStatisticsUpdate} notification.
  29  */
  30 public class QueueStatNotificationSupplierImpl extends
  31         AbstractNotificationSupplierForItemStat<FlowCapableNodeConnectorQueueStatisticsData, QueueStatisticsUpdate> {
  32
  33     private static final InstanceIdentifier<FlowCapableNodeConnectorQueueStatisticsData>
  34             FLOW_CAPABLE_NODE_CONNECTOR_QUEUE_STATISTICS_DATA_INSTANCE_IDENTIFIER = getNodeWildII()
  35             .child(NodeConnector.class).augmentation(FlowCapableNodeConnector.class).child(Queue.class)
  36             .augmentation(FlowCapableNodeConnectorQueueStatisticsData.class);
  37
  38     /**
  39      * Constructor register supplier as DataTreeChangeListener and create wildCarded InstanceIdentifier.
  40      *
  41      * @param notifProviderService - {@link NotificationProviderService}
  42      * @param db                   - {@link DataBroker}
  43      */
  44     public QueueStatNotificationSupplierImpl(final NotificationProviderService notifProviderService,
  45                                              final DataBroker db) {
  46         super(notifProviderService, db, FlowCapableNodeConnectorQueueStatisticsData.class);
  47     }
  48
  49     @Override
  50     public InstanceIdentifier<FlowCapableNodeConnectorQueueStatisticsData> getWildCardPath() {
  51         return FLOW_CAPABLE_NODE_CONNECTOR_QUEUE_STATISTICS_DATA_INSTANCE_IDENTIFIER;
  52     }
  53
  54     @Override
  55     public QueueStatisticsUpdate createNotification(
  56             final FlowCapableNodeConnectorQueueStatisticsData statisticsDataTreeItem,
  57             final InstanceIdentifier<FlowCapableNodeConnectorQueueStatisticsData> path) {
  58         Preconditions.checkArgument(statisticsDataTreeItem != null);
  59         Preconditions.checkArgument(path != null);
  60
  61         final NodeConnectorBuilder connBuilder = new NodeConnectorBuilder();
  62         final NodeConnectorKey key = path.firstKeyOf(NodeConnector.class, NodeConnectorKey.class);
  63         connBuilder.setId(key.getId());
  64         connBuilder.withKey(key);
  65
  66         final QueueIdAndStatisticsMapBuilder queueStatMapBuilder = new QueueIdAndStatisticsMapBuilder(
  67                 statisticsDataTreeItem.getFlowCapableNodeConnectorQueueStatistics());
  68
  69         final QueueStatisticsUpdateBuilder builder = new QueueStatisticsUpdateBuilder();
  70         builder.setId(getNodeId(path));
  71         builder.setMoreReplies(Boolean.FALSE);
  72         builder.setQueueIdAndStatisticsMap(Collections.singletonList(queueStatMapBuilder.build()));
  73         builder.setNodeConnector(Collections.singletonList(connBuilder.build()));
  74         return builder.build();
  75     }
  76 }
  77