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JdonFramework is a java framework that you can use to build your Domain Driven Design + CQRS + EventSource applications with asynchronous concurrency and higher throughput.

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/**
 * Copyright 2003-2006 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 com.jdon.controller.pool;

import org.apache.commons.pool.impl.GenericObjectPool;

/**
 * ObjectPool pool = new StackObjectPool(new MyPoolableObjectFactory());
 * CommonsPoolAdapter cp = new CommonsPoolAdapter(pool);
 * MyObject mo = (MyObject)cp.borrowObject();
 * ....
 * cp.returnObject(mo);
 *
 * @author banq
 */
public class CommonsPoolAdapter implements Pool {
  private final GenericObjectPool pool;

  public CommonsPoolAdapter(GenericObjectPool pool){
      
     this.pool = pool;     
  }

  public void setMaxPoolSize(int maxPoolSize){
      pool.setMaxActive(maxPoolSize);
  }

  public int getMaxPoolSize(){
    return pool.getMaxActive();
  }

  public Object acquirePoolable() throws Exception{
    return this.pool.borrowObject();
  }

  public void releasePoolable(Object object) throws Exception{
    this.pool.returnObject(object);
  }

  public int getNumActive(){
    return this.pool.getNumActive();
  }

  public int getNumIdle(){
    return this.pool.getNumIdle();
  }

}