| /* |
| * 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.wayang.core.util; |
| |
| import java.util.Objects; |
| |
| /** |
| * A helper data structure to manage two values without creating new classes. |
| */ |
| public class Tuple<T0, T1> { |
| |
| public T0 field0; |
| |
| public T1 field1; |
| |
| public Tuple() { } |
| |
| public Tuple(T0 field0, T1 field1) { |
| this.field0 = field0; |
| this.field1 = field1; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) return true; |
| if (o == null || this.getClass() != o.getClass()) return false; |
| Tuple<?, ?> tuple = (Tuple<?, ?>) o; |
| return Objects.equals(this.field0, tuple.field0) && |
| Objects.equals(this.field1, tuple.field1); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(this.field0, this.field1); |
| } |
| |
| @Override |
| public String toString() { |
| return String.format("(%s, %s)", this.field0, this.field1); |
| } |
| |
| public T0 getField0() { |
| return this.field0; |
| } |
| |
| public void setField0(T0 field0) { |
| this.field0 = field0; |
| } |
| |
| public T1 getField1() { |
| return this.field1; |
| } |
| |
| public void setField1(T1 field1) { |
| this.field1 = field1; |
| } |
| } |