/*******************************************************************************
* 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.collections;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;
/**
* A debugging aid. When HashSetFactory.DEBUG is set, this class creates ParanoidHashMaps. Otherwise,
* it returns {@link LinkedHashMap}
*/
public class HashMapFactory {
/**
* @param size
* @return A ParanoidHashMap if DEBUG = true, a LinkedHashMap otherwise
*/
public static <K,V> HashMap<K,V> make(int size) {
if (HashSetFactory.DEBUG) {
return new ParanoidHashMap<K,V>(size);
} else {
return new LinkedHashMap<K,V>(size);
}
}
/**
* @return A ParanoidHashMap if DEBUG = true, a LinkedHashMap otherwise
*/
public static <K,V> HashMap<K,V> make() {
if (HashSetFactory.DEBUG) {
return new ParanoidHashMap<K,V>();
} else {
return new LinkedHashMap<K,V>();
}
}
/**
* @param t
* @return A ParanoidHashMap if DEBUG = true, a LinkedHashMap otherwise
*/
public static <K,V> HashMap<K,V> make(Map<K,V> t) {
if (t == null) {
throw new IllegalArgumentException("null t");
}
if (HashSetFactory.DEBUG) {
return new ParanoidHashMap<K,V>(t);
} else {
return new LinkedHashMap<K,V>(t);
}
}
}