content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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.
   */
  
  package com.aliyun.odps.mapred.unittest;
  
  /**
   * 键值对（Key/Value）.
   * 
   * @param <K>
   *          Key 类型
   * @param <V>
   *          Value 类型
   */
  public class KeyValue<K, V> {
  
    private K k;
    private V v;
  
    public KeyValue(K k, V v) {
      this.k = k;
      this.v = v;
    }
  
    public V getValue() {
      return v;
    }
  
    public K getKey() {
      return k;
    }
  
    public void setKey(K k) {
      this.k = k;
    }
  
    public void setValue(V v) {
      this.v = v;
    }
  
    @Override
    public String toString() {
      return "KeyValue: " + k + ", " + v;
    }
  
    @SuppressWarnings("unchecked")
    @Override
    public boolean equals(Object obj) {
      if (this == obj) {
        return true;
      }
      if (obj instanceof KeyValue<?, ?>) {
        KeyValue<K, V> that = (KeyValue<K, V>) obj;
        return k.equals(that.k) && v.equals(that.v);
      }
      return false;
    }
  
  }
  