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org.hibernate.metamodel.source.annotations.global.IdGeneratorBinder Maven / Gradle / Ivy
/*
* 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.global;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.persistence.GenerationType;
import javax.persistence.SequenceGenerator;
import org.jboss.jandex.AnnotationInstance;
import org.jboss.logging.Logger;
import org.hibernate.annotations.GenericGenerator;
import org.hibernate.annotations.GenericGenerators;
import org.hibernate.cfg.AvailableSettings;
import org.hibernate.id.MultipleHiLoPerTableGenerator;
import org.hibernate.id.PersistentIdentifierGenerator;
import org.hibernate.id.SequenceHiLoGenerator;
import org.hibernate.id.TableHiLoGenerator;
import org.hibernate.id.enhanced.SequenceStyleGenerator;
import org.hibernate.id.enhanced.TableGenerator;
import org.hibernate.internal.CoreMessageLogger;
import org.hibernate.internal.util.StringHelper;
import org.hibernate.metamodel.binding.IdGenerator;
import org.hibernate.metamodel.source.MetadataImplementor;
import org.hibernate.metamodel.source.annotations.AnnotationBindingContext;
import org.hibernate.metamodel.source.annotations.EnumConversionHelper;
import org.hibernate.metamodel.source.annotations.HibernateDotNames;
import org.hibernate.metamodel.source.annotations.JPADotNames;
import org.hibernate.metamodel.source.annotations.JandexHelper;
/**
* Binds {@link SequenceGenerator}, {@link javax.persistence.TableGenerator}, {@link GenericGenerator}, and
* {@link GenericGenerators} annotations.
*
* @author Hardy Ferentschik
*/
public class IdGeneratorBinder {
private static final CoreMessageLogger LOG = Logger.getMessageLogger(
CoreMessageLogger.class,
IdGeneratorBinder.class.getName()
);
private IdGeneratorBinder() {
}
/**
* Binds all {@link SequenceGenerator}, {@link javax.persistence.TableGenerator}, {@link GenericGenerator}, and
* {@link GenericGenerators} annotations to the supplied metadata.
*
* @param bindingContext the context for annotation binding
*/
public static void bind(AnnotationBindingContext bindingContext) {
List annotations = bindingContext.getIndex()
.getAnnotations( JPADotNames.SEQUENCE_GENERATOR );
for ( AnnotationInstance generator : annotations ) {
bindSequenceGenerator( bindingContext.getMetadataImplementor(), generator );
}
annotations = bindingContext.getIndex().getAnnotations( JPADotNames.TABLE_GENERATOR );
for ( AnnotationInstance generator : annotations ) {
bindTableGenerator( bindingContext.getMetadataImplementor(), generator );
}
annotations = bindingContext.getIndex().getAnnotations( HibernateDotNames.GENERIC_GENERATOR );
for ( AnnotationInstance generator : annotations ) {
bindGenericGenerator( bindingContext.getMetadataImplementor(), generator );
}
annotations = bindingContext.getIndex().getAnnotations( HibernateDotNames.GENERIC_GENERATORS );
for ( AnnotationInstance generators : annotations ) {
for ( AnnotationInstance generator : JandexHelper.getValue(
generators,
"value",
AnnotationInstance[].class
) ) {
bindGenericGenerator( bindingContext.getMetadataImplementor(), generator );
}
}
}
private static void addStringParameter(AnnotationInstance annotation,
String element,
Map parameters,
String parameter) {
String string = JandexHelper.getValue( annotation, element, String.class );
if ( StringHelper.isNotEmpty( string ) ) {
parameters.put( parameter, string );
}
}
private static void bindGenericGenerator(MetadataImplementor metadata, AnnotationInstance generator) {
String name = JandexHelper.getValue( generator, "name", String.class );
Map parameterMap = new HashMap();
AnnotationInstance[] parameterAnnotations = JandexHelper.getValue(
generator,
"parameters",
AnnotationInstance[].class
);
for ( AnnotationInstance parameterAnnotation : parameterAnnotations ) {
parameterMap.put(
JandexHelper.getValue( parameterAnnotation, "name", String.class ),
JandexHelper.getValue( parameterAnnotation, "value", String.class )
);
}
metadata.addIdGenerator(
new IdGenerator(
name,
JandexHelper.getValue( generator, "strategy", String.class ),
parameterMap
)
);
LOG.tracef( "Add generic generator with name: %s", name );
}
private static void bindSequenceGenerator(MetadataImplementor metadata, AnnotationInstance generator) {
String name = JandexHelper.getValue( generator, "name", String.class );
Map parameterMap = new HashMap();
addStringParameter( generator, "sequenceName", parameterMap, SequenceStyleGenerator.SEQUENCE_PARAM );
boolean useNewIdentifierGenerators = metadata.getOptions().useNewIdentifierGenerators();
String strategy = EnumConversionHelper.generationTypeToGeneratorStrategyName(
GenerationType.SEQUENCE,
useNewIdentifierGenerators
);
if ( useNewIdentifierGenerators ) {
addStringParameter( generator, "catalog", parameterMap, PersistentIdentifierGenerator.CATALOG );
addStringParameter( generator, "schema", parameterMap, PersistentIdentifierGenerator.SCHEMA );
parameterMap.put(
SequenceStyleGenerator.INCREMENT_PARAM,
String.valueOf( JandexHelper.getValue( generator, "allocationSize", Integer.class ) )
);
parameterMap.put(
SequenceStyleGenerator.INITIAL_PARAM,
String.valueOf( JandexHelper.getValue( generator, "initialValue", Integer.class ) )
);
}
else {
if ( JandexHelper.getValue( generator, "initialValue", Integer.class ) != 1 ) {
LOG.unsupportedInitialValue( AvailableSettings.USE_NEW_ID_GENERATOR_MAPPINGS );
}
parameterMap.put(
SequenceHiLoGenerator.MAX_LO,
String.valueOf( JandexHelper.getValue( generator, "allocationSize", Integer.class ) - 1 )
);
}
metadata.addIdGenerator( new IdGenerator( name, strategy, parameterMap ) );
LOG.tracef( "Add sequence generator with name: %s", name );
}
private static void bindTableGenerator(MetadataImplementor metadata, AnnotationInstance generator) {
String name = JandexHelper.getValue( generator, "name", String.class );
Map parameterMap = new HashMap();
addStringParameter( generator, "catalog", parameterMap, PersistentIdentifierGenerator.CATALOG );
addStringParameter( generator, "schema", parameterMap, PersistentIdentifierGenerator.SCHEMA );
boolean useNewIdentifierGenerators = metadata.getOptions().useNewIdentifierGenerators();
String strategy = EnumConversionHelper.generationTypeToGeneratorStrategyName(
GenerationType.TABLE,
useNewIdentifierGenerators
);
if ( useNewIdentifierGenerators ) {
parameterMap.put( TableGenerator.CONFIG_PREFER_SEGMENT_PER_ENTITY, "true" );
addStringParameter( generator, "table", parameterMap, TableGenerator.TABLE_PARAM );
addStringParameter( generator, "pkColumnName", parameterMap, TableGenerator.SEGMENT_COLUMN_PARAM );
addStringParameter( generator, "pkColumnValue", parameterMap, TableGenerator.SEGMENT_VALUE_PARAM );
addStringParameter( generator, "valueColumnName", parameterMap, TableGenerator.VALUE_COLUMN_PARAM );
parameterMap.put(
TableGenerator.INCREMENT_PARAM,
String.valueOf( JandexHelper.getValue( generator, "allocationSize", String.class ) )
);
parameterMap.put(
TableGenerator.INITIAL_PARAM,
String.valueOf( JandexHelper.getValue( generator, "initialValue", String.class ) + 1 )
);
}
else {
addStringParameter( generator, "table", parameterMap, MultipleHiLoPerTableGenerator.ID_TABLE );
addStringParameter( generator, "pkColumnName", parameterMap, MultipleHiLoPerTableGenerator.PK_COLUMN_NAME );
addStringParameter( generator, "pkColumnValue", parameterMap, MultipleHiLoPerTableGenerator.PK_VALUE_NAME );
addStringParameter( generator, "valueColumnName", parameterMap, MultipleHiLoPerTableGenerator.VALUE_COLUMN_NAME );
parameterMap.put(
TableHiLoGenerator.MAX_LO,
String.valueOf( JandexHelper.getValue( generator, "allocationSize", Integer.class ) - 1 )
);
}
if ( JandexHelper.getValue( generator, "uniqueConstraints", AnnotationInstance[].class ).length > 0 ) {
LOG.ignoringTableGeneratorConstraints( name );
}
metadata.addIdGenerator( new IdGenerator( name, strategy, parameterMap ) );
LOG.tracef( "Add table generator with name: %s", name );
}
}
