opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/databroker/ClientBackedReadWriteTransaction.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 package org.opendaylight.controller.cluster.databroker;
   9
  10 import com.google.common.base.Optional;
  11 import com.google.common.util.concurrent.CheckedFuture;
  12 import com.google.common.util.concurrent.Futures;
  13 import javax.annotation.Nullable;
  14 import org.opendaylight.controller.cluster.databroker.actors.dds.ClientTransaction;
  15 import org.opendaylight.mdsal.common.api.ReadFailedException;
  16 import org.opendaylight.mdsal.dom.spi.store.DOMStoreReadWriteTransaction;
  17 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  18 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  19
  20 /**
  21  * An implementation of {@link DOMStoreReadWriteTransaction} backed by a {@link ClientTransaction}.
  22  *
  23  * @author Robert Varga
  24  */
  25 final class ClientBackedReadWriteTransaction extends ClientBackedWriteTransaction
  26         implements DOMStoreReadWriteTransaction {
  27
  28     ClientBackedReadWriteTransaction(final ClientTransaction delegate, @Nullable final Throwable allocationContext) {
  29         super(delegate, allocationContext);
  30     }
  31
  32     @Override
  33     public CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> read(final YangInstanceIdentifier path) {
  34         return Futures.makeChecked(delegate().read(path), ReadFailedException.MAPPER);
  35     }
  36
  37     @Override
  38     public CheckedFuture<Boolean, ReadFailedException> exists(final YangInstanceIdentifier path) {
  39         return Futures.makeChecked(delegate().exists(path), ReadFailedException.MAPPER);
  40     }
  41 }