/*
 * 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.annotations;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

import org.hibernate.tuple.ValueGenerator;
import org.hibernate.tuple.VmValueGeneration;

Marks a property as generated, specifying the ValueGenerator type to be used for generating the value. It is the responsibility of the client to ensure that a generator type is specified which matches the data type of the annotated property.
Author:Gunnar Morling
/** * Marks a property as generated, specifying the {@link ValueGenerator} type to be used for generating the value. It is * the responsibility of the client to ensure that a generator type is specified which matches the data type of the * annotated property. * * @author Gunnar Morling */
@ValueGenerationType( generatedBy = VmValueGeneration.class ) @Retention( RetentionPolicy.RUNTIME ) @Target( value = { ElementType.FIELD, ElementType.METHOD } ) public @interface GeneratorType {
The value generator type
Returns:the value generator type
/** * The value generator type * * @return the value generator type */
Class<? extends ValueGenerator<?>> type();
When to generate the value, either only during insert or during insert and update of the hosting entity.
Returns:the time of generation
/** * When to generate the value, either only during insert or during insert and update of the hosting entity. * * @return the time of generation */
GenerationTime when() default GenerationTime.ALWAYS; }