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IdentityHashMultiMap.java
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48 lines (42 loc) · 1.33 KB
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package soot.util;
/*-
* #%L
* Soot - a J*va Optimization Framework
* %%
* Copyright (C) 2002 Ondrej Lhotak
* %%
* This program 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 program 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 General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/lgpl-2.1.html>.
* #L%
*/
import java.util.IdentityHashMap;
import java.util.Map;
import java.util.Set;
/**
* An identity-based version of the MultiMap.
*
* @author Steven Arzt
*/
public class IdentityHashMultiMap<K, V> extends HashMultiMap<K, V> {
private static final long serialVersionUID = 4960774381646981495L;
@Override
protected Map<K, Set<V>> createMap(int initialSize) {
return new IdentityHashMap<K, Set<V>>(initialSize);
}
@SuppressWarnings("deprecation")
@Override
protected Set<V> newSet() {
return new IdentityHashSet<V>();
}
}