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/*
* Copyright 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance
* with the License. A copy of the License is located at
*
* http://aws.amazon.com/apache2.0/
*
* or in the "license" file accompanying this file. This file 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 ai.djl.util;
import java.util.Objects;
/**
* A class containing the key-value pair.
*
* @param the key type
* @param the value type
*/
public class Pair {
private K key;
private V value;
/**
* Constructs a {@code Pair} instance with key and value.
*
* @param key the key
* @param value the value
*/
public Pair(K key, V value) {
this.key = key;
this.value = value;
}
/**
* Returns the key of this pair.
*
* @return the key
*/
public K getKey() {
return key;
}
/**
* Returns the value of this pair.
*
* @return the value
*/
public V getValue() {
return value;
}
/** {@inheritDoc} */
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
Pair pair = (Pair) o;
return Objects.equals(key, pair.key) && value.equals(pair.value);
}
/** {@inheritDoc} */
@Override
public int hashCode() {
return Objects.hash(key, value);
}
}