/* | |
* 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.uima.internal.util; | |
public class Pair<T, U> { | |
public final T t; | |
/** updatable but don't update if used as key in hashtable */ | |
public U u; | |
public Pair(T t, U u) { | |
this.t = t; | |
this.u = u; | |
} | |
@Override | |
public int hashCode() { | |
final int prime = 31; | |
int result = 1; | |
result = prime * result + ((t == null) ? 0 : t.hashCode()); | |
result = prime * result + ((u == null) ? 0 : u.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 (t == null) { | |
if (other.t != null) { | |
return false; | |
} | |
} else if (!t.equals(other.t)) { | |
return false; | |
} | |
if (u == null) { | |
if (other.u != null) { | |
return false; | |
} | |
} else if (!u.equals(other.u)) { | |
return false; | |
} | |
return true; | |
} | |
} |