/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.engine.spi;
/**
* The base contract for determining transient status versus detached status.
*
* @author Steve Ebersole
*/
public interface UnsavedValueStrategy {
/**
* Make the transient/detached determination
*
* @param test The value to be tested
*
* @return {@code true} indicates the value corresponds to unsaved data (aka, transient state; {@code false}
* indicates the value does not corresponds to unsaved data (aka, detached state); {@code null} indicates that
* this strategy was not able to determine conclusively.
*/
public Boolean isUnsaved(Object test);
/**
* Get a default value meant to indicate transience.
*
* @param currentValue The current state value.
*
* @return The default transience value.
*/
public Object getDefaultValue(Object currentValue);
}