RDFEntityLoaderPool.java from Texai at Krugle

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/*
 * RDFEntityLoaderPool.java
 *
 * Created on August 15, 2007, 11:06 AM
 *
 * Description: Provides an RDF entity loader pool.
 *
 * Copyright (C) August 15, 2007 Stephen L. Reed.
 *
 * This program is free software; you can redistribute it and/or modify it under the terms
 * of the GNU General Public License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with this program;
 * if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

package org.texai.kb.persistence;

import net.jcip.annotations.ThreadSafe;
import org.apache.commons.pool.PoolableObjectFactory;
import org.apache.commons.pool.impl.GenericObjectPool;
import org.apache.commons.pool.BaseObjectPool;

/** This class extends the Apache GenericObjectPool to provide a pool of RDFEntityLoader instances, which are
 * dynamically used by lazy loaders.
 *
 * @author reed
 */
@ThreadSafe
public class RDFEntityLoaderPool extends GenericObjectPool {
  
  /** the RDF entity loader factory */
  final PoolableObjectFactory rdfEntityLoaderFactory;
  
  /**
   * Creates a new instance of RDFEntityLoaderPool.
   *
   * @param rdfEntityLoaderFactory the PoolableObjectFactory to use to create, validate and destroy objects
   * @param maxActive the maximum number of objects that can be borrowed from this pool at one time
   */
  public RDFEntityLoaderPool(final PoolableObjectFactory rdfEntityLoaderFactory, final int maxActive) {
    super(rdfEntityLoaderFactory, maxActive);
    
    this.rdfEntityLoaderFactory = rdfEntityLoaderFactory;
  }
  
  /** Gets the RDF entity loader factory.
   *
   * @return the RDF entity loader factory
   */
  public PoolableObjectFactory getRDFEntityLoaderFactory() {
    return rdfEntityLoaderFactory;
  }
}
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