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.TransactionIdentifier;
  15 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  16
  17 /**
  18  * Successful reply to an {@link ReadTransactionRequest}. It indicates presence of requested data via {@link #getData()}.
  19  *
  20  * @author Robert Varga
  21  */
  22 @Beta
  23 public final class ReadTransactionSuccess extends TransactionSuccess<ReadTransactionSuccess> {
  24     private static final long serialVersionUID = 1L;
  25     private final Optional<NormalizedNode<?, ?>> data;
  26
  27     public ReadTransactionSuccess(final TransactionIdentifier identifier, final long sequence,
  28             final Optional<NormalizedNode<?, ?>> data) {
  29         this(identifier, sequence, 0, data);
  30     }
  31
  32     ReadTransactionSuccess(final TransactionIdentifier identifier, final long sequence, final long retry,
  33             final Optional<NormalizedNode<?, ?>> data) {
  34         super(identifier, sequence, retry);
  35         this.data = Preconditions.checkNotNull(data);
  36     }
  37
  38     public Optional<NormalizedNode<?, ?>> getData() {
  39         return data;
  40     }
  41
  42     @Override
  43     protected AbstractTransactionSuccessProxy<ReadTransactionSuccess> externalizableProxy(final ABIVersion version) {
  44         return new ReadTransactionSuccessProxyV1(this);
  45     }
  46
  47     @Override
  48     protected ReadTransactionSuccess cloneAsVersion(final ABIVersion version) {
  49         return this;
  50     }
  51 }