| /******************************************************************************* |
| * Copyright (c) 2004, 2005 IBM Corporation and others. |
| * 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 org.eclipse.jface.viewers.deferred; |
| |
| import java.util.HashMap; |
| |
| /** |
| * Represents a map of objects onto ints. This is intended for future optimization: |
| * using int primitives would allow for an implementation that doesn't require |
| * additional object allocations for Integers. However, the current implementation |
| * simply delegates to the Java HashMap class. |
| * |
| * @since 3.1 |
| */ |
| /* package */ class IntHashMap { |
| private HashMap map; |
| |
| public IntHashMap(int size, float loadFactor) { |
| map = new HashMap(size, loadFactor); |
| } |
| |
| public IntHashMap() { |
| map = new HashMap(); |
| } |
| |
| public void remove(Object key) { |
| map.remove(key); |
| } |
| |
| public void put(Object key, int value) { |
| map.put(key, new Integer(value)); |
| } |
| |
| public int get(Object key) { |
| return get(key, 0); |
| } |
| |
| public int get(Object key, int defaultValue) { |
| Integer result = (Integer)map.get(key); |
| |
| if (result != null) { |
| return result.intValue(); |
| } |
| |
| return defaultValue; |
| } |
| |
| public boolean containsKey(Object key) { |
| return map.containsKey(key); |
| } |
| |
| public int size() { |
| return map.size(); |
| } |
| } |