opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/identifiers/ShardTransactionIdentifier.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.datastore.identifiers;
  10
  11 import com.google.common.base.Preconditions;
  12
  13 public class ShardTransactionIdentifier {
  14     private final String remoteTransactionId;
  15
  16     private ShardTransactionIdentifier(String remoteTransactionId) {
  17         this.remoteTransactionId = Preconditions.checkNotNull(remoteTransactionId,
  18                 "remoteTransactionId should not be null");
  19     }
  20
  21     public static Builder builder(){
  22         return new Builder();
  23     }
  24
  25     public String getRemoteTransactionId() {
  26         return remoteTransactionId;
  27     }
  28
  29     @Override
  30     public boolean equals(Object o) {
  31         if (this == o) {
  32             return true;
  33         }
  34         if (o == null || getClass() != o.getClass()) {
  35             return false;
  36         }
  37
  38         ShardTransactionIdentifier that = (ShardTransactionIdentifier) o;
  39
  40         if (!remoteTransactionId.equals(that.remoteTransactionId)) {
  41             return false;
  42         }
  43
  44         return true;
  45     }
  46
  47     @Override
  48     public int hashCode() {
  49         return remoteTransactionId.hashCode();
  50     }
  51
  52     @Override public String toString() {
  53         final StringBuilder sb = new StringBuilder();
  54         sb.append("shard-").append(remoteTransactionId);
  55         return sb.toString();
  56     }
  57
  58     public static class Builder {
  59         private String remoteTransactionId;
  60
  61         public Builder remoteTransactionId(String remoteTransactionId){
  62             this.remoteTransactionId = remoteTransactionId;
  63             return this;
  64         }
  65
  66         public ShardTransactionIdentifier build(){
  67             return new ShardTransactionIdentifier(remoteTransactionId);
  68         }
  69
  70     }
  71 }