com.splout.db.common.PartitionEntry Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of splout-commons Show documentation

Splout is a read only, horizontally scalable SQL database that plays well with Hadoop.

The newest version!

package com.splout.db.common;

/*
 * #%L
 * Splout SQL commons
 * %%
 * Copyright (C) 2012 Datasalt Systems S.L.
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */

import java.io.Serializable;

/**
 * An entry in a {@link PartitionMap}. It consists of a min value and a max value, as well as a shard id.
 * [min, max). Min included, max excluded. 
 * 
 * @see PartitionMap
 */
@SuppressWarnings("serial")
public class PartitionEntry extends BaseBean implements Serializable, Comparable {

	public String toString() {
		return "min:" + min + ",max:" + max + ",shard:" + shard;
	}
	
	String min;
	String max;
	Integer shard;

	// ----------------- //
	public String getMin() {
		return min;
	}

	public void setMin(String min) {
		this.min = min;
	}

	public String getMax() {
		return max;
	}

	public void setMax(String max) {
		this.max = max;
	}

	public Integer getShard() {
		return shard;
	}

	public void setShard(Integer shard) {
		this.shard = shard;
	}
	
	@Override
	public boolean equals(Object obj) {
		PartitionEntry pEntry = (PartitionEntry)obj;
		return shard.equals(pEntry.shard);
	}
	
	@Override
	public int hashCode() {
	  return shard.hashCode();
	}

	@Override
  public int compareTo(PartitionEntry pEntry) {
	  return shard.compareTo(pEntry.shard);
  }
}