applications/notification-supplier/src/main/java/org/opendaylight/openflowplugin/applications/notification/supplier/impl/item/MeterNotificationSupplierImpl.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;
  10
  11 import com.google.common.base.Preconditions;
  12 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  13 import org.opendaylight.controller.sal.binding.api.NotificationProviderService;
  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.service.rev130918.MeterAdded;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.MeterAddedBuilder;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.MeterRemoved;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.MeterRemovedBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.MeterUpdated;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.MeterUpdatedBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.MeterRef;
  23 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  24
  25 /**
  26  * Implementation define a contract between {@link Meter} data object
  27  * and {@link MeterAdded}, {@link MeterUpdated} and {@link MeterRemoved} notifications.
  28  */
  29 public class MeterNotificationSupplierImpl extends
  30         AbstractNotificationSupplierForItem<Meter, MeterAdded, MeterUpdated, MeterRemoved> {
  31
  32     private static final InstanceIdentifier<Meter> METER_INSTANCE_IDENTIFIER
  33             = getNodeWildII().augmentation(FlowCapableNode.class).child(Meter.class);
  34
  35     /**
  36      * Constructor register supplier as DataTreeChangeListener and create wildCarded InstanceIdentifier.
  37      *
  38      * @param notifProviderService - {@link NotificationProviderService}
  39      * @param db - {@link DataBroker}
  40      */
  41     public MeterNotificationSupplierImpl(final NotificationProviderService notifProviderService, final DataBroker db) {
  42         super(notifProviderService, db, Meter.class);
  43     }
  44
  45     @Override
  46     public InstanceIdentifier<Meter> getWildCardPath() {
  47         return METER_INSTANCE_IDENTIFIER;
  48     }
  49
  50     @Override
  51     public MeterAdded createNotification(final Meter dataTreeItemObject, final InstanceIdentifier<Meter> path) {
  52         Preconditions.checkArgument(dataTreeItemObject != null);
  53         Preconditions.checkArgument(path != null);
  54         final MeterAddedBuilder builder = new MeterAddedBuilder(dataTreeItemObject);
  55         builder.setMeterRef(new MeterRef(path));
  56         builder.setNode(createNodeRef(path));
  57         return builder.build();
  58     }
  59
  60     @Override
  61     public MeterUpdated updateNotification(final Meter meter, final InstanceIdentifier<Meter> path) {
  62         Preconditions.checkArgument(meter != null);
  63         Preconditions.checkArgument(path != null);
  64         final MeterUpdatedBuilder builder = new MeterUpdatedBuilder(meter);
  65         builder.setMeterRef(new MeterRef(path));
  66         builder.setNode(createNodeRef(path));
  67         return builder.build();
  68     }
  69
  70     @Override
  71     public MeterRemoved deleteNotification(final InstanceIdentifier<Meter> path) {
  72         Preconditions.checkArgument(path != null);
  73         final MeterRemovedBuilder builder = new MeterRemovedBuilder();
  74         builder.setMeterId(path.firstKeyOf(Meter.class).getMeterId());
  75         builder.setMeterRef(new MeterRef(path));
  76         builder.setNode(createNodeRef(path));
  77         return builder.build();
  78     }
  79 }
  80