applications/notification-supplier/src/main/java/org/opendaylight/openflowplugin/applications/notification/supplier/impl/item/FlowNotificationSupplierImpl.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.flow.inventory.rev130819.tables.Table;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.FlowAdded;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.FlowAddedBuilder;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.FlowRemoved;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.FlowRemovedBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.FlowUpdated;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.FlowUpdatedBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.FlowRef;
  23 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  24
  25 /**
  26  * Implementation define a contract between {@link Flow} data object
  27  * and {@link FlowAdded}, {@link FlowUpdated} and {@link FlowRemoved} notifications.
  28  */
  29 public class FlowNotificationSupplierImpl extends AbstractNotificationSupplierForItem<Flow, FlowAdded, FlowUpdated,
  30         FlowRemoved> {
  31
  32     private static final InstanceIdentifier<Flow> FLOW_INSTANCE_IDENTIFIER = getNodeWildII()
  33             .augmentation(FlowCapableNode.class).child(Table.class).child(Flow.class);
  34
  35     /**
  36      * Constructor register supplier as DataTreeChangeListener and create wildCarded InstanceIdentifier.
  37      *
  38      * @param notifProviderService - {@link NotificationPublishService}
  39      * @param db                   - {@link DataBroker}
  40      */
  41     public FlowNotificationSupplierImpl(final NotificationPublishService notifProviderService, final DataBroker db) {
  42         super(notifProviderService, db, Flow.class);
  43     }
  44
  45     @Override
  46     public InstanceIdentifier<Flow> getWildCardPath() {
  47         return FLOW_INSTANCE_IDENTIFIER;
  48     }
  49
  50     @Override
  51     public FlowAdded createNotification(final Flow dataTreeItemObject, final InstanceIdentifier<Flow> path) {
  52         Preconditions.checkArgument(dataTreeItemObject != null);
  53         Preconditions.checkArgument(path != null);
  54         final FlowAddedBuilder builder = new FlowAddedBuilder(dataTreeItemObject);
  55         builder.setFlowRef(new FlowRef(path));
  56         builder.setNode(createNodeRef(path));
  57         return builder.build();
  58     }
  59
  60     @Override
  61     public FlowUpdated updateNotification(final Flow flow, final InstanceIdentifier<Flow> path) {
  62         Preconditions.checkArgument(flow != null);
  63         Preconditions.checkArgument(path != null);
  64         final FlowUpdatedBuilder builder = new FlowUpdatedBuilder(flow);
  65         builder.setFlowRef(new FlowRef(path));
  66         builder.setNode(createNodeRef(path));
  67         return builder.build();
  68     }
  69
  70     @Override
  71     public FlowRemoved deleteNotification(final InstanceIdentifier<Flow> path) {
  72         Preconditions.checkArgument(path != null);
  73         final FlowRemovedBuilder builder = new FlowRemovedBuilder();
  74         builder.setFlowRef(new FlowRef(path));
  75         builder.setNode(createNodeRef(path));
  76         return builder.build();
  77     }
  78 }
  79