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/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 1999,2000 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Xerces" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact [email protected].
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation and was
* originally based on software copyright (c) 1999, International
* Business Machines, Inc., http://www.apache.org. For more
* information on the Apache Software Foundation, please see
* .
*/
package org.enhydra.apache.xerces.utils;
/**
* A light-weight hashtable class that takes 2 ints as key and 1 int as value
* @version
*/
public final class Hash2intTable {
private static final int INITIAL_BUCKET_SIZE = 4;
private static final int HASHTABLE_SIZE = 256;
private int[][] fHashTable = new int[HASHTABLE_SIZE][];
public void put(int key1, int key2, int key3, int value) {
int hash = (key1+key2+key3+2) % HASHTABLE_SIZE;
int[] bucket = fHashTable[hash];
if (bucket == null) {
bucket = new int[1 + 4*INITIAL_BUCKET_SIZE];
bucket[0] = 1;
bucket[1] = key1;
bucket[2] = key2;
bucket[3] = key3;
bucket[4] = value;
fHashTable[hash] = bucket;
} else {
int count = bucket[0];
int offset = 1 + 4*count;
if (offset == bucket.length) {
int newSize = count + INITIAL_BUCKET_SIZE;
int[] newBucket = new int[1 + 4*newSize];
System.arraycopy(bucket, 0, newBucket, 0, offset);
bucket = newBucket;
fHashTable[hash] = bucket;
}
boolean found = false;
int j=1;
for (int i=0; i