applications/notification-supplier/src/main/java/org/opendaylight/openflowplugin/applications/notification/supplier/impl/NodeNotificationSupplierImpl.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;
   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.flow.inventory.rev130819.FlowCapableNodeUpdated;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeUpdatedBuilder;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRemoved;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRemovedBuilder;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeUpdated;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeUpdatedBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  22 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  23
  24 /**
  25  * Implementation define a contract between {@link FlowCapableNode} data object
  26  * and {@link NodeUpdated} and {@link NodeRemoved} notifications.
  27  */
  28 public class NodeNotificationSupplierImpl extends AbstractNotificationSupplierForItemRoot<FlowCapableNode,
  29         NodeUpdated, NodeRemoved> {
  30
  31     private static final InstanceIdentifier<FlowCapableNode> FLOW_CAPABLE_NODE_INSTANCE_IDENTIFIER = getNodeWildII()
  32             .augmentation(FlowCapableNode.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 NodeNotificationSupplierImpl(final NotificationPublishService notifProviderService, final DataBroker db) {
  41         super(notifProviderService, db, FlowCapableNode.class);
  42     }
  43
  44     @Override
  45     public InstanceIdentifier<FlowCapableNode> getWildCardPath() {
  46         return FLOW_CAPABLE_NODE_INSTANCE_IDENTIFIER;
  47     }
  48
  49     @Override
  50     public NodeUpdated createNotification(final FlowCapableNode flowCapableNode,
  51                                           final InstanceIdentifier<FlowCapableNode> ii) {
  52         Preconditions.checkArgument(flowCapableNode != null);
  53         Preconditions.checkArgument(ii != null);
  54         final FlowCapableNodeUpdatedBuilder flowNodeNotifBuilder = new FlowCapableNodeUpdatedBuilder(flowCapableNode);
  55         final NodeUpdatedBuilder notifBuilder = new NodeUpdatedBuilder();
  56         notifBuilder.setId(ii.firstKeyOf(Node.class).getId());
  57         notifBuilder.setNodeRef(new NodeRef(getNodeII(ii)));
  58         notifBuilder.addAugmentation(FlowCapableNodeUpdated.class, flowNodeNotifBuilder.build());
  59         return notifBuilder.build();
  60     }
  61
  62     @Override
  63     public NodeRemoved deleteNotification(final InstanceIdentifier<FlowCapableNode> path) {
  64         Preconditions.checkArgument(path != null);
  65         final NodeRemovedBuilder delNodeNotifBuilder = new NodeRemovedBuilder();
  66         delNodeNotifBuilder.setNodeRef(new NodeRef(path));
  67         return delNodeNotifBuilder.build();
  68     }
  69 }
  70