/*
* Copyright 2015 Red Hat, Inc. and/or its affiliates.
*
* Licensed 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.uberfire.commons.data;
public class Triple<K1, K2, K3> {
/**
* First item.
*/
private final K1 k1;
/**
* Second item.
*/
private final K2 k2;
/**
* Third item.
*/
private final K3 k3;
/**
* Creates a new triple using the keys provided.
* @param k1
* @param k2
*/
public Triple(
final K1 k1,
final K2 k2,
final K3 k3) {
this.k1 = k1;
this.k2 = k2;
this.k3 = k3;
}
/**
* static factory method
* @param <K1>
* @param <K2>
* @param k1
* @param k2
* @return
*/
public static <K1, K2, K3> Triple<K1, K2, K3> newTriple(final K1 k1,
final K2 k2,
final K3 k3) {
return new Triple<K1, K2, K3>(k1,
k2,
k3);
}
/**
* @return the first key
*/
public K1 getK1() {
return this.k1;
}
/**
* @return the second key
*/
public K2 getK2() {
return this.k2;
}
/**
* @return the third key
*/
public K3 getK3() {
return this.k3;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (!(o instanceof Triple)) {
return false;
}
Triple triple = (Triple) o;
if (k1 != null ? !k1.equals(triple.k1) : triple.k1 != null) {
return false;
}
if (k2 != null ? !k2.equals(triple.k2) : triple.k2 != null) {
return false;
}
if (k3 != null ? !k3.equals(triple.k3) : triple.k3 != null) {
return false;
}
return true;
}
@Override
public int hashCode() {
int result = k1 != null ? k1.hashCode() : 0;
result = 31 * result + (k2 != null ? k2.hashCode() : 0);
result = 31 * result + (k3 != null ? k3.hashCode() : 0);
return result;
}
@Override
public String toString() {
return getClass().getName() + "{" +
"k1=" + k1 +
", k2=" + k2 +
", k3=" + k3 +
'}';
}
}