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/*
  Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved.

  The MySQL Connector/J is licensed under the terms of the GPLv2
  , like most MySQL Connectors.
  There are special exceptions to the terms and conditions of the GPLv2 as it is applied to
  this software, see the FLOSS License Exception
  .

  This program is free software; you can redistribute it and/or modify it under the terms
  of the GNU General Public License as published by the Free Software Foundation; version 2
  of the License.

  This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  See the GNU General Public License for more details.

  You should have received a copy of the GNU General Public License along with this
  program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth
  Floor, Boston, MA 02110-1301  USA

 */

package com.mysql.fabric;

/**
 * A shard index represents the physical location of a segment of data. The data segment
 * is identified by it's key's relation to the `bound' value.
 */
public class ShardIndex {
    private String bound;
    private Integer shardId;
    private String groupName;

    public ShardIndex(String bound, Integer shardId, String groupName) {
        this.bound = bound;
        this.shardId = shardId;
        this.groupName = groupName;
    }

    /**
     * The bound that the key will be compared to. This is treated different based on the
     * ShardingType.
     */
    public String getBound() {
        return this.bound;
    }

    /**
     * A unique identified for this shard.
     */
    public Integer getShardId() {
        return this.shardId;
    }

    /**
     * The name of the group in the data for this shard resides.
     */
    public String getGroupName() {
        return this.groupName;
    }
}