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.sal.core.spi.data.DOMStoreThreePhaseCommitCohort;
  12 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
  13
  14 final class ReadWriteShardDataTreeTransaction extends AbstractShardDataTreeTransaction<DataTreeModification> {
  15     private final ShardDataTreeTransactionParent parent;
  16
  17     protected ReadWriteShardDataTreeTransaction(final ShardDataTreeTransactionParent parent, final String id, final DataTreeModification modification) {
  18         super(id, modification);
  19         this.parent = Preconditions.checkNotNull(parent);
  20     }
  21
  22     @Override
  23     void abort() {
  24         Preconditions.checkState(close(), "Transaction is already closed");
  25
  26         parent.abortTransaction(this);
  27     }
  28
  29     DOMStoreThreePhaseCommitCohort ready() {
  30         Preconditions.checkState(close(), "Transaction is already closed");
  31
  32         return parent.finishTransaction(this);
  33     }
  34 }