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 package org.opendaylight.openflowplugin.applications.notification.supplier.impl.item.stat;
   9
  10 import com.google.common.base.Preconditions;
  11 import java.util.Collections;
  12 import org.opendaylight.mdsal.binding.api.DataBroker;
  13 import org.opendaylight.mdsal.binding.api.NotificationPublishService;
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.queues.Queue;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorBuilder;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorKey;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.FlowCapableNodeConnectorQueueStatisticsData;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.QueueStatisticsUpdate;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.QueueStatisticsUpdateBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.queue.id.and.statistics.map.QueueIdAndStatisticsMapBuilder;
  23 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  24
  25 /**
  26  * Implementation define a contract between {@link FlowCapableNodeConnectorQueueStatisticsData} data object
  27  * and {@link QueueStatisticsUpdate} notification.
  28  */
  29 public class QueueStatNotificationSupplierImpl extends
  30         AbstractNotificationSupplierForItemStat<FlowCapableNodeConnectorQueueStatisticsData, QueueStatisticsUpdate> {
  31
  32     private static final InstanceIdentifier<FlowCapableNodeConnectorQueueStatisticsData>
  33             FLOW_CAPABLE_NODE_CONNECTOR_QUEUE_STATISTICS_DATA_INSTANCE_IDENTIFIER = getNodeWildII()
  34             .child(NodeConnector.class).augmentation(FlowCapableNodeConnector.class).child(Queue.class)
  35             .augmentation(FlowCapableNodeConnectorQueueStatisticsData.class);
  36
  37     /**
  38      * Constructor register supplier as DataTreeChangeListener and create wildCarded InstanceIdentifier.
  39      *
  40      * @param notifProviderService - {@link NotificationPublishService}
  41      * @param db                   - {@link DataBroker}
  42      */
  43     public QueueStatNotificationSupplierImpl(final NotificationPublishService notifProviderService,
  44                                              final DataBroker db) {
  45         super(notifProviderService, db, FlowCapableNodeConnectorQueueStatisticsData.class);
  46     }
  47
  48     @Override
  49     public InstanceIdentifier<FlowCapableNodeConnectorQueueStatisticsData> getWildCardPath() {
  50         return FLOW_CAPABLE_NODE_CONNECTOR_QUEUE_STATISTICS_DATA_INSTANCE_IDENTIFIER;
  51     }
  52
  53     @Override
  54     public QueueStatisticsUpdate createNotification(
  55             final FlowCapableNodeConnectorQueueStatisticsData statisticsDataTreeItem,
  56             final InstanceIdentifier<FlowCapableNodeConnectorQueueStatisticsData> path) {
  57         Preconditions.checkArgument(statisticsDataTreeItem != null);
  58         Preconditions.checkArgument(path != null);
  59
  60         final NodeConnectorBuilder connBuilder = new NodeConnectorBuilder();
  61         final NodeConnectorKey key = path.firstKeyOf(NodeConnector.class);
  62         connBuilder.setId(key.getId());
  63         connBuilder.withKey(key);
  64
  65         final QueueIdAndStatisticsMapBuilder queueStatMapBuilder = new QueueIdAndStatisticsMapBuilder(
  66                 statisticsDataTreeItem.getFlowCapableNodeConnectorQueueStatistics());
  67
  68         final QueueStatisticsUpdateBuilder builder = new QueueStatisticsUpdateBuilder();
  69         builder.setId(getNodeId(path));
  70         builder.setMoreReplies(Boolean.FALSE);
  71         builder.setQueueIdAndStatisticsMap(Collections.singletonList(queueStatMapBuilder.build()));
  72         builder.setNodeConnector(Collections.singletonList(connBuilder.build()));
  73         return builder.build();
  74     }
  75 }
  76