/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2011, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.metamodel.source.annotations.attribute.type;
import java.util.Calendar;
import java.util.Date;
import javax.persistence.TemporalType;
import org.hibernate.AnnotationException;
import org.hibernate.AssertionFailure;
import org.hibernate.cfg.NotYetImplementedException;
import org.hibernate.metamodel.source.annotations.JPADotNames;
import org.hibernate.metamodel.source.annotations.JandexHelper;
import org.hibernate.metamodel.source.annotations.attribute.MappedAttribute;
import org.hibernate.type.StandardBasicTypes;
import org.jboss.jandex.AnnotationInstance;
/**
* @author Strong Liu
*/
public class TemporalTypeResolver extends AbstractAttributeTypeResolver {
private final MappedAttribute mappedAttribute;
private final boolean isMapKey;
public TemporalTypeResolver(MappedAttribute mappedAttribute) {
if ( mappedAttribute == null ) {
throw new AssertionFailure( "MappedAttribute is null" );
}
this.mappedAttribute = mappedAttribute;
this.isMapKey = false;//todo
}
@Override
public String resolveHibernateTypeName(AnnotationInstance temporalAnnotation) {
if ( isTemporalType( mappedAttribute.getAttributeType() ) ) {
if ( temporalAnnotation == null ) {
//SPEC 11.1.47 The Temporal annotation must be specified for persistent fields or properties of type java.util.Date and java.util.Calendar.
throw new AnnotationException( "Attribute " + mappedAttribute.getName() + " is a Temporal type, but no @Temporal annotation found." );
}
TemporalType temporalType = JandexHelper.getEnumValue( temporalAnnotation, "value", TemporalType.class );
boolean isDate = Date.class.isAssignableFrom( mappedAttribute.getAttributeType() );
String type;
switch ( temporalType ) {
case DATE:
type = isDate ? StandardBasicTypes.DATE.getName() : StandardBasicTypes.CALENDAR_DATE.getName();
break;
case TIME:
type = StandardBasicTypes.TIME.getName();
if ( !isDate ) {
throw new NotYetImplementedException( "Calendar cannot persist TIME only" );
}
break;
case TIMESTAMP:
type = isDate ? StandardBasicTypes.TIMESTAMP.getName() : StandardBasicTypes.CALENDAR.getName();
break;
default:
throw new AssertionFailure( "Unknown temporal type: " + temporalType );
}
return type;
}
else {
if ( temporalAnnotation != null ) {
throw new AnnotationException(
"@Temporal should only be set on a java.util.Date or java.util.Calendar property: " + mappedAttribute
.getName()
);
}
}
return null;
}
@Override
protected AnnotationInstance getTypeDeterminingAnnotationInstance() {
return JandexHelper.getSingleAnnotation(
mappedAttribute.annotations(),
JPADotNames.TEMPORAL
);
}
private static boolean isTemporalType(Class type) {
return Date.class.isAssignableFrom( type ) || Calendar.class.isAssignableFrom( type );
}
}