/*
* Bibliothek - DockingFrames
* Library built on Java/Swing, allows the user to "drag and drop"
* panels containing any Swing-Component the developer likes to add.
*
* Copyright (C) 2007 Benjamin Sigg
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Benjamin Sigg
* benjamin_sigg@gmx.ch
* CH - Switzerland
*/
/*
* Created on 07.12.2004
*/
package bibliothek.util.container;
/**
* An object containing two generic fields.
* @author Benjamin Sigg
* @param <A> type of the first field
* @param <B> type of the second field
*/
public class Tuple<A, B> extends Single<A>{
public static <A, B> Tuple<A, B> of( A a, B b ){
return new Tuple<A,B>( a, b );
}
private B b;
public Tuple(){
// nothing to do
}
public Tuple( A a, B b ){
super( a );
this.b = b;
}
public void setB( B b ){
this.b = b;
}
public B getB(){
return b;
}
@SuppressWarnings("unchecked")
@Override
public Tuple<A, B> clone(){
return (Tuple<A,B>)super.clone();
}
@Override
public boolean equals( Object o ){
if( o.getClass() == getClass() ){
Tuple<?, ?> s = (Tuple<?, ?>)o;
return super.equals( o ) && ( (s.b == null && b == null) || (s.b != null && s.b.equals( b )));
}
return false;
}
@Override
public int hashCode(){
return super.hashCode() ^ (b == null ? 0 : b.hashCode());
}
@Override
public String toString(){
return getClass().getName() + "[a=" + getA() + ", b=" + b + "]";
}
}