/*
* Copyright [1999-2015] Wellcome Trust Sanger Institute and the EMBL-European Bioinformatics Institute
* Copyright [2016-2017] EMBL-European Bioinformatics Institute
*
* 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.
*/
/**
* Triple
*
* @author dstaines
* @author $Author$
* @version $Revision$
*/
package org.ensembl.healthcheck.util;
import org.apache.commons.lang.NullArgumentException;
/**
* Generic class to associate four objects
* @author dstaines
*
*/
public class Quadruple<A,B,C,D> extends Triple<A,B,C> {
public final D d;
/**
* @param a
* @param b
*/
public Quadruple(A a, B b, C c, D d) {
super(a, b, c);
if(d==null) {
throw new NullArgumentException(this.getClass().getSimpleName()
+ " cannot be instantiated with null arguments");
}
this.d = d;
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
return super.hashCode() + (d==null?0:d.hashCode());
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#equals(java.lang.Object)
*/
@SuppressWarnings("unchecked")
@Override
public boolean equals(Object obj) {
if (obj == null || !this.getClass().equals(obj.getClass())) {
return false;
}
Quadruple<A, B, C, D> other = (Quadruple<A, B, C, D>) obj;
if (d == null) {
if (other.d != null)
return false;
} else if (!d.equals(other.d)) {
return false;
}
return super.equals(other);
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#toString()
*/
@Override
public String toString() {
return super.toString()+",d=[" + String.valueOf(d) + "]";
}
}