src/java/org/apache/turbine/util/pool/Recyclable.java

package org.apache.turbine.util.pool;

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/**
 * An interface for objects that can be pooled and
 * recycled several times by different clients.
 *
 * @author <a href="mailto:ilkka.priha@simsoft.fi">Ilkka Priha</a>
 * @version $Id$
 */
public interface Recyclable
{
    /**
     * Recycles the object for a new client. Recycle methods with
     * parameters must be added to implementing object and they will be
     * automatically called by pool implementations when the object is
     * taken from the pool for a new client. The parameters must
     * correspond to the parameters of the constructors of the object.
     * For new objects, constructors can call their corresponding recycle
     * methods whenever applicable.
     * The recycle methods must call their super.
     */
    void recycle();

    /**
     * Disposes the object after use. The method is called
     * when the object is returned to its pool.
     * The dispose method must call its super.
     */
    void dispose();

    /**
     * Checks whether the recyclable has been disposed.
     * @return true, if the recyclable is disposed.
     */
    boolean isDisposed();
}