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Groovy example source code file (AbstractConcurrentDoubleKeyMap.java)
The Groovy AbstractConcurrentDoubleKeyMap.java source code/* * Copyright 2003-2010 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.codehaus.groovy.util; public abstract class AbstractConcurrentDoubleKeyMap<K1,K2,V> extends AbstractConcurrentMapBase { public AbstractConcurrentDoubleKeyMap(Object segmentInfo) { super(segmentInfo); } static <K1,K2> int hash(K1 key1, K2 key2) { int h = 31*key1.hashCode() + key2.hashCode(); h += ~(h << 9); h ^= (h >>> 14); h += (h << 4); h ^= (h >>> 10); return h; } public V get(K1 key1, K2 key2) { int hash = hash(key1, key2); return segmentFor(hash).get(key1, key2, hash); } public Entry<K1,K2,V> getOrPut(K1 key1, K2 key2, V value) { int hash = hash(key1,key2); return segmentFor(hash).getOrPut(key1, key2, hash, value); } public void put(K1 key1, K2 key2, V value) { int hash = hash(key1, key2); segmentFor(hash).put(key1, key2, hash).setValue(value); } public void remove(K1 key1, K2 key2) { int hash = hash(key1, key2); segmentFor(hash).remove(key1, key2, hash); } public final Segment<K1,K2,V> segmentFor(int hash) { return (Segment<K1,K2,V>) segments[(hash >>> segmentShift) & segmentMask]; } abstract static class Segment<K1,K2,V> extends AbstractConcurrentMapBase.Segment { Segment(int initialCapacity) { super(initialCapacity); } V get(K1 key1, K2 key2, int hash) { Object[] tab = table; Object o = tab[hash & (tab.length - 1)]; if (o != null) { if (o instanceof Entry) { Entry<K1,K2,V> e = (Entry Other Groovy examples (source code examples)Here is a short list of links related to this Groovy AbstractConcurrentDoubleKeyMap.java source code file: |
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