| /* |
| * 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 org.apache.iotdb.tsfile.utils; |
| |
| import java.io.Serializable; |
| |
| /** |
| * Pair is a template class to represent a couple of values. It also override the Object basic |
| * methods like hasnCode, equals and toString. |
| * |
| * @param <L> L type |
| * @param <R> R type |
| */ |
| public class Pair<L, R> implements Serializable { |
| |
| private static final long serialVersionUID = -1398609631703707002L; |
| public L left; |
| public R right; |
| |
| public Pair(L l, R r) { |
| left = l; |
| right = r; |
| } |
| |
| public void setLeft(L left) { |
| this.left = left; |
| } |
| |
| public L getLeft() { |
| return left; |
| } |
| |
| public void setRight(R right) { |
| this.right = right; |
| } |
| |
| public R getRight() { |
| return right; |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + ((left == null) ? 0 : left.hashCode()); |
| result = prime * result + ((right == null) ? 0 : right.hashCode()); |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null) { |
| return false; |
| } |
| if (getClass() != obj.getClass()) { |
| return false; |
| } |
| Pair<?, ?> other = (Pair<?, ?>) obj; |
| if (left == null) { |
| if (other.left != null) { |
| return false; |
| } |
| } else if (!left.equals(other.left)) { |
| return false; |
| } |
| if (right == null) { |
| if (other.right != null) { |
| return false; |
| } |
| } else if (!right.equals(other.right)) { |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public String toString() { |
| return "<" + left + "," + right + ">"; |
| } |
| } |