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Relational Persistence for Java
// $Id: Instantiator.java 7449 2005-07-11 17:31:50Z steveebersole $
package org.hibernate.tuple;
import java.io.Serializable;
/**
* Contract for implementors responsible for instantiating entity/component instances.
*
* @author Steve Ebersole
*/
public interface Instantiator extends Serializable {
/**
* Perform the requested entity instantiation.
*
* This form is never called for component instantiation, only entity instantiation.
*
* @param id The id of the entity to be instantiated.
* @return An appropriately instantiated entity.
*/
public Object instantiate(Serializable id);
/**
* Perform the requested instantiation.
*
* @return The instantiated data structure.
*/
public Object instantiate();
/**
* Performs check to see if the given object is an instance of the entity
* or component which this Instantiator instantiates.
*
* @param object The object to be checked.
* @return True is the object does respresent an instance of the underlying
* entity/component.
*/
public boolean isInstance(Object object);
}