opendaylight/md-sal/cds-access-api/src/main/java/org/opendaylight/controller/cluster/access/commands/ReadTransactionSuccess.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.access.commands;
   9
  10 import com.google.common.annotations.Beta;
  11 import com.google.common.base.Optional;
  12 import com.google.common.base.Preconditions;
  13 import org.opendaylight.controller.cluster.access.ABIVersion;
  14 import org.opendaylight.controller.cluster.access.concepts.SliceableMessage;
  15 import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
  16 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  17
  18 /**
  19  * Successful reply to an {@link ReadTransactionRequest}. It indicates presence of requested data via
  20  * {@link #getData()}.
  21  *
  22  * @author Robert Varga
  23  */
  24 @Beta
  25 public final class ReadTransactionSuccess extends TransactionSuccess<ReadTransactionSuccess>
  26         implements SliceableMessage {
  27     private static final long serialVersionUID = 1L;
  28     private final Optional<NormalizedNode<?, ?>> data;
  29
  30     public ReadTransactionSuccess(final TransactionIdentifier identifier, final long sequence,
  31             final Optional<NormalizedNode<?, ?>> data) {
  32         super(identifier, sequence);
  33         this.data = Preconditions.checkNotNull(data);
  34     }
  35
  36     public Optional<NormalizedNode<?, ?>> getData() {
  37         return data;
  38     }
  39
  40     @Override
  41     protected AbstractTransactionSuccessProxy<ReadTransactionSuccess> externalizableProxy(final ABIVersion version) {
  42         return new ReadTransactionSuccessProxyV1(this);
  43     }
  44
  45     @Override
  46     protected ReadTransactionSuccess cloneAsVersion(final ABIVersion version) {
  47         return this;
  48     }
  49 }