opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/messages/InstallSnapshot.java

   1 /*
   2  * Copyright (c) 2014 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
   9 package org.opendaylight.controller.cluster.raft.messages;
  10
  11 import com.google.common.base.Optional;
  12 import com.google.protobuf.ByteString;
  13 import org.opendaylight.controller.protobuff.messages.cluster.raft.InstallSnapshotMessages;
  14
  15 public class InstallSnapshot extends AbstractRaftRPC {
  16
  17     public static final Class<InstallSnapshotMessages.InstallSnapshot> SERIALIZABLE_CLASS = InstallSnapshotMessages.InstallSnapshot.class;
  18     private static final long serialVersionUID = 1L;
  19
  20     private final String leaderId;
  21     private final long lastIncludedIndex;
  22     private final long lastIncludedTerm;
  23     private final ByteString data;
  24     private final int chunkIndex;
  25     private final int totalChunks;
  26     private final Optional<Integer> lastChunkHashCode;
  27
  28     public InstallSnapshot(long term, String leaderId, long lastIncludedIndex,
  29         long lastIncludedTerm, ByteString data, int chunkIndex, int totalChunks, Optional<Integer> lastChunkHashCode) {
  30         super(term);
  31         this.leaderId = leaderId;
  32         this.lastIncludedIndex = lastIncludedIndex;
  33         this.lastIncludedTerm = lastIncludedTerm;
  34         this.data = data;
  35         this.chunkIndex = chunkIndex;
  36         this.totalChunks = totalChunks;
  37         this.lastChunkHashCode = lastChunkHashCode;
  38     }
  39
  40     public InstallSnapshot(long term, String leaderId, long lastIncludedIndex,
  41                            long lastIncludedTerm, ByteString data, int chunkIndex, int totalChunks) {
  42         this(term, leaderId, lastIncludedIndex, lastIncludedTerm, data, chunkIndex, totalChunks, Optional.<Integer>absent());
  43     }
  44
  45
  46     public String getLeaderId() {
  47         return leaderId;
  48     }
  49
  50     public long getLastIncludedIndex() {
  51         return lastIncludedIndex;
  52     }
  53
  54     public long getLastIncludedTerm() {
  55         return lastIncludedTerm;
  56     }
  57
  58     public ByteString getData() {
  59         return data;
  60     }
  61
  62     public int getChunkIndex() {
  63         return chunkIndex;
  64     }
  65
  66     public int getTotalChunks() {
  67         return totalChunks;
  68     }
  69
  70     public Optional<Integer> getLastChunkHashCode() {
  71         return lastChunkHashCode;
  72     }
  73
  74     public <T extends Object> Object toSerializable(){
  75         InstallSnapshotMessages.InstallSnapshot.Builder builder = InstallSnapshotMessages.InstallSnapshot.newBuilder()
  76                 .setLeaderId(this.getLeaderId())
  77                 .setChunkIndex(this.getChunkIndex())
  78                 .setData(this.getData())
  79                 .setLastIncludedIndex(this.getLastIncludedIndex())
  80                 .setLastIncludedTerm(this.getLastIncludedTerm())
  81                 .setTotalChunks(this.getTotalChunks());
  82
  83         if(lastChunkHashCode.isPresent()){
  84             builder.setLastChunkHashCode(lastChunkHashCode.get());
  85         }
  86         return builder.build();
  87     }
  88
  89     public static InstallSnapshot fromSerializable (Object o) {
  90         InstallSnapshotMessages.InstallSnapshot from =
  91             (InstallSnapshotMessages.InstallSnapshot) o;
  92
  93         Optional<Integer> lastChunkHashCode = Optional.absent();
  94         if(from.hasLastChunkHashCode()){
  95             lastChunkHashCode = Optional.of(from.getLastChunkHashCode());
  96         }
  97
  98         InstallSnapshot installSnapshot = new InstallSnapshot(from.getTerm(),
  99             from.getLeaderId(), from.getLastIncludedIndex(),
 100             from.getLastIncludedTerm(), from.getData(),
 101             from.getChunkIndex(), from.getTotalChunks(), lastChunkHashCode);
 102
 103         return installSnapshot;
 104     }
 105 }