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Hibernate's core ORM functionality
/*
* 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 .
*/
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 {@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
*
* @return the value generator type
*/
Class> type();
/**
* 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;
}