/*******************************************************************************
* Copyright (c) 2002 - 2006 IBM Corporation.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package com.ibm.wala.util.intset;
/**
* A factory for mutable shared bit vector int sets
*/
public class MutableSharedBitVectorIntSetFactory implements MutableIntSetFactory<MutableSharedBitVectorIntSet> {
private final MutableSparseIntSetFactory sparseFactory = new MutableSparseIntSetFactory();
/*
* @see com.ibm.wala.util.intset.MutableIntSetFactory#make(int[])
*/
@Override
public MutableSharedBitVectorIntSet make(int[] set) {
SparseIntSet s = sparseFactory.make(set);
return new MutableSharedBitVectorIntSet(s);
}
/*
* @see com.ibm.wala.util.intset.MutableIntSetFactory#parse(java.lang.String)
*/
@Override
public MutableSharedBitVectorIntSet parse(String string) throws NumberFormatException {
SparseIntSet s = sparseFactory.parse(string);
return new MutableSharedBitVectorIntSet(s);
}
/*
* @see com.ibm.wala.util.intset.MutableIntSetFactory#makeCopy(com.ibm.wala.util.intset.IntSet)
*/
@Override
public MutableSharedBitVectorIntSet makeCopy(IntSet x) throws IllegalArgumentException {
if (x == null) {
throw new IllegalArgumentException("x == null");
}
if (x instanceof MutableSharedBitVectorIntSet) {
return new MutableSharedBitVectorIntSet((MutableSharedBitVectorIntSet) x);
} else if (x instanceof SparseIntSet) {
return new MutableSharedBitVectorIntSet((SparseIntSet) x);
} else if (x instanceof BitVectorIntSet) {
return new MutableSharedBitVectorIntSet((BitVectorIntSet) x);
} else if (x instanceof DebuggingMutableIntSet) {
return new MutableSharedBitVectorIntSet(new SparseIntSet(x));
} else {
// really slow. optimize as needed.
MutableSharedBitVectorIntSet result = new MutableSharedBitVectorIntSet();
for (IntIterator it = x.intIterator(); it.hasNext(); ) {
result.add(it.next());
}
return result;
}
}
/*
* @see com.ibm.wala.util.intset.MutableIntSetFactory#make()
*/
@Override
public MutableSharedBitVectorIntSet make() {
return new MutableSharedBitVectorIntSet();
}
}