/* Soot - a J*va Optimization Framework
* Copyright (C) 2002 Florian Loitsch
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the Sable Research Group and others 1997-1999.
* See the 'credits' file distributed with Soot for the complete list of
* contributors. (Soot is distributed at http://www.sable.mcgill.ca/soot)
*/
package soot.toolkits.scalar;
import java.util.*;
/**
* Provides an implementation of a flow universe, wrapping collections.
*/
public class CollectionFlowUniverse<E> implements FlowUniverse<E> {
Set<E> elements;
public CollectionFlowUniverse(Collection<E> elements) {
this.elements = new HashSet<E>(elements);
}
public int size() {
return elements.size();
}
public Iterator<E> iterator() {
return elements.iterator();
}
@SuppressWarnings("unchecked")
public E[] toArray() {
return (E[]) elements.toArray();
}
}