org.hibernate.tuple.UpdateTimestampGeneration Maven / Gradle / Ivy
/*
* 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.tuple;
import java.sql.Time;
import java.sql.Timestamp;
import java.util.Calendar;
import java.util.Date;
import org.hibernate.HibernateException;
import org.hibernate.annotations.UpdateTimestamp;
/**
* Value generation implementation for {@link UpdateTimestamp}.
*
* @author Gunnar Morling
*/
public class UpdateTimestampGeneration implements AnnotationValueGeneration {
private ValueGenerator generator;
@Override
public void initialize(UpdateTimestamp annotation, Class propertyType) {
if ( java.sql.Date.class.isAssignableFrom( propertyType ) ) {
generator = new TimestampGenerators.CurrentSqlDateGenerator();
}
else if ( Time.class.isAssignableFrom( propertyType ) ) {
generator = new TimestampGenerators.CurrentSqlTimeGenerator();
}
else if ( Timestamp.class.isAssignableFrom( propertyType ) ) {
generator = new TimestampGenerators.CurrentSqlTimestampGenerator();
}
else if ( Date.class.isAssignableFrom( propertyType ) ) {
generator = new TimestampGenerators.CurrentDateGenerator();
}
else if ( Calendar.class.isAssignableFrom( propertyType ) ) {
generator = new TimestampGenerators.CurrentCalendarGenerator();
}
else {
throw new HibernateException( "Unsupported property type for generator annotation @UpdateTimestamp" );
}
}
@Override
public GenerationTiming getGenerationTiming() {
return GenerationTiming.ALWAYS;
}
@Override
public ValueGenerator getValueGenerator() {
return generator;
}
@Override
public boolean referenceColumnInSql() {
return false;
}
@Override
public String getDatabaseGeneratedReferencedColumnValue() {
return null;
}
}