opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ReadWriteShardDataTreeTransaction.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.controller.cluster.datastore;
   9
  10 import com.google.common.base.Preconditions;
  11 import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
  12 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
  13
  14 public final class ReadWriteShardDataTreeTransaction extends AbstractShardDataTreeTransaction<DataTreeModification> {
  15     private final ShardDataTreeTransactionParent parent;
  16
  17     protected ReadWriteShardDataTreeTransaction(final ShardDataTreeTransactionParent parent,
  18             final TransactionIdentifier id, final DataTreeModification modification) {
  19         super(id, modification);
  20         this.parent = Preconditions.checkNotNull(parent);
  21     }
  22
  23     @Override
  24     void abort() {
  25         Preconditions.checkState(close(), "Transaction is already closed");
  26
  27         parent.abortTransaction(this);
  28     }
  29
  30     ShardDataTreeCohort ready() {
  31         Preconditions.checkState(close(), "Transaction is already closed");
  32
  33         return parent.finishTransaction(this);
  34     }
  35 }