Package com.liferay.util

Source Code of com.liferay.util.CollectionFactory

/**
* Copyright (c) 2000-2005 Liferay, LLC. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/

package com.liferay.util;

import com.dotcms.repackage.gnu.trove.THashMap;
import com.dotcms.repackage.gnu.trove.THashSet;
import com.dotcms.repackage.gnu.trove.TLinkedList;

import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;

import com.dotcms.repackage.EDU.oswego.cs.dl.util.concurrent.SyncMap;
import com.dotcms.repackage.EDU.oswego.cs.dl.util.concurrent.WriterPreferenceReadWriteLock;

/**
* <a href="CollectionFactory.java.html"><b><i>View Source</i></b></a>
*
* @author  Brian Wing Shun Chan
* @version $Revision: 1.12 $
*
*/
public class CollectionFactory {

  public static final boolean TROVE = GetterUtil.get(
    SystemProperties.get("trove"), true);

  public static Map getHashMap() {
    if (TROVE) {
      return new THashMap();
    }
    else {
      return new HashMap();
    }
  }

  public static Map getHashMap(int capacity) {
    if (TROVE) {
      return new THashMap(capacity);
    }
    else {
      return new HashMap(capacity);
    }
  }

  public static Set getHashSet() {
    if (TROVE) {
      return new THashSet();
    }
    else {
      return new HashSet();
    }
  }

  public static Set getHashSet(int capacity) {
    if (TROVE) {
      return new THashSet(capacity);
    }
    else {
      return new HashSet(capacity);
    }
  }

  public static List getLinkedList() {
    if (TROVE) {
      return new TLinkedList();
    }
    else {
      return new LinkedList();
    }
  }

  public static Map getSyncHashMap() {
    return new SyncMap(getHashMap(), new WriterPreferenceReadWriteLock());
  }

  public static Map getSyncHashMap(int capacity) {
    return new SyncMap(
      getHashMap(capacity), new WriterPreferenceReadWriteLock());
  }

}
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