001/**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.camel.util;
018
019import java.util.Objects;
020
021/**
022 * Generic holder object for pair values.
023 */
024public class Pair<T> {
025
026    private T left;
027    private T right;
028
029    public Pair(T left, T right) {
030        this.left = left;
031        this.right = right;
032    }
033
034    public T getLeft() {
035        return left;
036    }
037
038    public T getRight() {
039        return right;
040    }
041
042    @Override
043    public boolean equals(Object o) {
044        if (this == o) {
045            return true;
046        }
047        if (o == null || getClass() != o.getClass()) {
048            return false;
049        }
050        Pair<?> that = (Pair<?>) o;
051        return Objects.equals(left, that.left)
052                && Objects.equals(right, that.right);
053    }
054
055    @Override
056    public int hashCode() {
057        return Objects.hash(left, right);
058    }
059
060    @Override
061    public String toString() {
062        return "(" + left + ", " + right + ")";
063    }
064}