sandbox/yajcache/src/org/apache/jcs/yajcache/util/CollectionUtils.java

/*
 * Copyright 2005 The Apache Software Foundation.
 *
 * 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.apache.jcs.yajcache.util;

import java.util.concurrent.ConcurrentHashMap;

import org.apache.jcs.yajcache.lang.annotation.*;

/**
 * Collection related Utilities.
 *
 * @author Hanson Char
 */
@CopyRightApache
public enum CollectionUtils {
    inst;
    
    // Convenient methods originated from:
    // http://www.artima.com/forums/flat.jsp?forum=106&thread=79394
    
    public <K,V> ConcurrentHashMap<K,V> newConcurrentHashMap() {
        return new ConcurrentHashMap<K,V>();
    }
    public <K,V> ConcurrentHashMap<K,V> newConcurrentHashMap(int initialCapacity) 
    {
        return new ConcurrentHashMap<K,V>(initialCapacity);
    }
    public <K,V> ConcurrentHashMap<K,V> newConcurrentHashMap(
            int initialCapacity, float loadFactor, int concurrencyLevel)
    {
        return new ConcurrentHashMap<K,V>(initialCapacity);
    }
}