opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/sharding/DistributedShardModificationCursor.java

   1 /*
   2  * Copyright (c) 2016 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.controller.cluster.sharding;
  10
  11 import org.opendaylight.mdsal.dom.spi.shard.AbstractDataModificationCursor;
  12 import org.opendaylight.mdsal.dom.spi.shard.WriteCursorStrategy;
  13
  14 /**
  15  * Internal cursor implementation consisting of WriteCursorStrategies which forwards writes to foreign modifications
  16  * if any.
  17  */
  18 public class DistributedShardModificationCursor extends AbstractDataModificationCursor<DistributedShardModification> {
  19
  20     private ShardProxyTransaction parent;
  21
  22     public DistributedShardModificationCursor(final DistributedShardModification root,
  23                                               final ShardProxyTransaction parent) {
  24         super(root);
  25         this.parent = parent;
  26     }
  27
  28     @Override
  29     protected WriteCursorStrategy getRootOperation(final DistributedShardModification root) {
  30         return root.createOperation(null);
  31     }
  32
  33     @Override
  34     public void close() {
  35         parent.cursorClosed();
  36     }
  37 }