applications/notification-supplier/src/main/java/org/opendaylight/openflowplugin/applications/notification/supplier/impl/item/GroupNotificationSupplierImpl.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;
   9
  10 import com.google.common.base.Preconditions;
  11 import org.opendaylight.mdsal.binding.api.DataBroker;
  12 import org.opendaylight.mdsal.binding.api.NotificationPublishService;
  13 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.GroupAdded;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.GroupAddedBuilder;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.GroupRemoved;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.GroupRemovedBuilder;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.GroupUpdated;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.GroupUpdatedBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupRef;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.Group;
  22 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  23
  24 /**
  25  * Implementation define a contract between {@link Group} data object
  26  * and {@link GroupAdded}, {@link GroupUpdated} and {@link GroupRemoved} notifications.
  27  */
  28 public class GroupNotificationSupplierImpl extends AbstractNotificationSupplierForItem<Group, GroupAdded,
  29         GroupUpdated, GroupRemoved> {
  30
  31     private static final InstanceIdentifier<Group> GROUP_INSTANCE_IDENTIFIER = getNodeWildII()
  32             .augmentation(FlowCapableNode.class).child(Group.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 GroupNotificationSupplierImpl(final NotificationPublishService notifProviderService, final DataBroker db) {
  41         super(notifProviderService, db, Group.class);
  42     }
  43
  44     @Override
  45     public InstanceIdentifier<Group> getWildCardPath() {
  46         return GROUP_INSTANCE_IDENTIFIER;
  47     }
  48
  49     @Override
  50     public GroupAdded createNotification(final Group dataTreeItemObject, final InstanceIdentifier<Group> path) {
  51         Preconditions.checkArgument(dataTreeItemObject != null);
  52         Preconditions.checkArgument(path != null);
  53         final GroupAddedBuilder builder = new GroupAddedBuilder(dataTreeItemObject);
  54         builder.setGroupRef(new GroupRef(path));
  55         builder.setNode(createNodeRef(path));
  56         return builder.build();
  57     }
  58
  59     @Override
  60     public GroupUpdated updateNotification(final Group group, final InstanceIdentifier<Group> path) {
  61         Preconditions.checkArgument(group != null);
  62         Preconditions.checkArgument(path != null);
  63         final GroupUpdatedBuilder builder = new GroupUpdatedBuilder(group);
  64         builder.setGroupRef(new GroupRef(path));
  65         builder.setNode(createNodeRef(path));
  66         return builder.build();
  67     }
  68
  69     @Override
  70     public GroupRemoved deleteNotification(final InstanceIdentifier<Group> path) {
  71         Preconditions.checkArgument(path != null);
  72         final GroupRemovedBuilder builder = new GroupRemovedBuilder();
  73         builder.setGroupId(path.firstKeyOf(Group.class).getGroupId());
  74         builder.setGroupRef(new GroupRef(path));
  75         builder.setNode(createNodeRef(path));
  76         return builder.build();
  77     }
  78 }
  79