applications/notification-supplier/src/main/java/org/opendaylight/openflowplugin/applications/notification/supplier/impl/item/stat/MeterStatNotificationSupplierImpl.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.FlowCapableNode;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.Meter;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.MeterStatisticsUpdated;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.MeterStatisticsUpdatedBuilder;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.NodeMeterStatistics;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.nodes.node.meter.MeterStatistics;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.meter.statistics.reply.MeterStatsBuilder;
  21 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  22
  23 /**
  24  * Implementation define a contract between {@link MeterStatistics} data object
  25  * and {@link MeterStatisticsUpdated} notification.
  26  */
  27 public class MeterStatNotificationSupplierImpl extends AbstractNotificationSupplierForItemStat<MeterStatistics,
  28         MeterStatisticsUpdated> {
  29
  30     private static final InstanceIdentifier<MeterStatistics> METER_STATISTICS_INSTANCE_IDENTIFIER = getNodeWildII()
  31             .augmentation(FlowCapableNode.class).child(Meter.class).augmentation(NodeMeterStatistics.class)
  32             .child(MeterStatistics.class);
  33
  34     /**
  35      * Constructor register supplier as DataTreeChangeListener and create wildCarded InstanceIdentifier.
  36      *
  37      * @param notifProviderService - {@link NotificationPublishService}
  38      * @param db                   - {@link DataBroker}
  39      */
  40     public MeterStatNotificationSupplierImpl(final NotificationPublishService notifProviderService,
  41                                              final DataBroker db) {
  42         super(notifProviderService, db, MeterStatistics.class);
  43     }
  44
  45     @Override
  46     public InstanceIdentifier<MeterStatistics> getWildCardPath() {
  47         return METER_STATISTICS_INSTANCE_IDENTIFIER;
  48     }
  49
  50     @Override
  51     public MeterStatisticsUpdated createNotification(final MeterStatistics meterStatistics,
  52                                                      final InstanceIdentifier<MeterStatistics> path) {
  53         Preconditions.checkArgument(meterStatistics != null);
  54         Preconditions.checkArgument(path != null);
  55
  56         final MeterStatisticsUpdatedBuilder builder = new MeterStatisticsUpdatedBuilder();
  57         builder.setId(getNodeId(path));
  58         builder.setMoreReplies(Boolean.FALSE);
  59         // TODO : fix if it needs, but we have to ask DataStore for the NodeConnector list
  60         builder.setNodeConnector(Collections.emptyList());
  61         builder.setMeterStats(Collections.singletonList(new MeterStatsBuilder(meterStatistics).build()));
  62         return builder.build();
  63     }
  64 }
  65