opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/persisted/FrontendHistoryMetadata.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.datastore.persisted;
   9
  10 import com.google.common.base.MoreObjects;
  11 import java.io.DataInput;
  12 import java.io.DataOutput;
  13 import java.io.IOException;
  14 import org.opendaylight.yangtools.concepts.WritableObject;
  15 import org.opendaylight.yangtools.concepts.WritableObjects;
  16
  17 public final class FrontendHistoryMetadata implements WritableObject {
  18     private final long historyId;
  19     private final long cookie;
  20     private final long nextTransaction;
  21     private final boolean closed;
  22
  23     public FrontendHistoryMetadata(final long historyId, final long cookie, final long nextTransaction,
  24             final boolean closed) {
  25         this.historyId = historyId;
  26         this.cookie = cookie;
  27         this.nextTransaction = nextTransaction;
  28         this.closed = closed;
  29     }
  30
  31     public long getHistoryId() {
  32         return historyId;
  33     }
  34
  35     public long getCookie() {
  36         return cookie;
  37     }
  38
  39     public long getNextTransaction() {
  40         return nextTransaction;
  41     }
  42
  43     public boolean isClosed() {
  44         return closed;
  45     }
  46
  47     @Override
  48     public void writeTo(final DataOutput out) throws IOException {
  49         WritableObjects.writeLongs(out, historyId, cookie);
  50         WritableObjects.writeLong(out, nextTransaction);
  51         out.writeBoolean(closed);
  52     }
  53
  54     public static FrontendHistoryMetadata readFrom(final DataInput in) throws IOException {
  55         final byte header = WritableObjects.readLongHeader(in);
  56         final long historyId = WritableObjects.readFirstLong(in, header);
  57         final long cookie = WritableObjects.readSecondLong(in, header);
  58         final long nextTransaction = WritableObjects.readLong(in);
  59         final boolean closed = in.readBoolean();
  60
  61         return new FrontendHistoryMetadata(historyId, cookie, nextTransaction, closed);
  62     }
  63
  64     @Override
  65     public String toString() {
  66         return MoreObjects.toStringHelper(FrontendHistoryMetadata.class).add("historiId", historyId)
  67                 .add("cookie", cookie).add("nextTransaction", nextTransaction).add("closed", closed).toString();
  68     }
  69 }