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• 2.2.1
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• Poolable.java

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org.apache.avalon.excalibur.pool.Poolable Maven / Gradle / Ivy

/* 
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.avalon.excalibur.pool;

/**
 * Poolable is a marker interface for Components that can
 * be pooled.  Components that are not pooled are created anew via a
 * factory every time a request is made for the component.
 * 

 * Components implementing this interface can add the following
 * attributes to its definition:
 * 

 *   <component pool-min="1" pool-max="10" pool-grow="1">
 *     <tag>value</tag>
 *   </component>
 * 
 * Where:
 * 
 *   
 *     
 *     
 *   
 *   
 *     
 *     
 *   
 *   
 *     
 *     
 *   
 * 
pool-min
sets the minimum number of Components maintained by the
 *     pool
pool-max
sets the maximum number of Components maintained by the
 *     pool
pool-grow
sets the number of Components to grow or
 *     shrink the pool by whenever it becomes necessary to do so
 * 

 * NB: It was a deliberate choice not to extend Component. This will have to
 * be reassed once we see it in action.
 * 
 *
 * @author Avalon Development Team
 * @version CVS $Revision: 1.7 $ $Date: 2004/03/29 16:50:37 $
 * @since 4.0
 */
public interface Poolable
{
}