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annotate graal/com.oracle.max.base/src/com/sun/max/collect/ChainingValueChainedHashMapping.java @ 4184:fa6b78681c54

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Added copyright check to the gate.
author Doug Simon <doug.simon@oracle.com>
date Tue, 03 Jan 2012 12:37:31 +0100
parents e233f5660da4
children
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1 /*
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2 * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.sun.max.collect;
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24
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25 /**
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26 * A chained hash table where the value type also doubles as an {@linkplain ChainedHashMapping.Entry entry} in a chain.
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27 * Such tables are more memory efficient than a chained hash table which uses separate objects for keys, values and
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28 * buckets.
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29 */
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30 public class ChainingValueChainedHashMapping<K, V extends ChainedHashMapping.Entry<K, V>> extends ChainedHashMapping<K, V> {
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31
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32 /**
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33 * Creates a chained hash table with {@linkplain HashEquality equality} key semantics and whose values double as the
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34 * {@linkplain ChainedHashMapping.Entry entry} in a chain.
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35 *
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36 * @param initialCapacity
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37 * the initial capacity of the table
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38 */
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39 public ChainingValueChainedHashMapping(int initialCapacity) {
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40 super(initialCapacity);
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41 }
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42
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43 /**
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44 * Creates a chained hash table with {@linkplain HashEquality equality} key semantics and an initial capacity of
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45 * {@value ChainedHashMapping#DEFAULT_INITIAL_CAPACITY} whose values double as the
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46 * {@linkplain ChainedHashMapping.Entry entry} in a chain.
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47 */
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48 public ChainingValueChainedHashMapping() {
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49 }
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50
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51 @Override
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52 protected Entry<K, V> createEntry(int hashForKey, K key, V value, Entry<K, V> next) {
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53 value.setNext(next);
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54 return value;
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55 }
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56 }