org.hibernate.metamodel.source.annotations.AnnotationMetadataSourceProcessorImpl 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;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import org.hibernate.AssertionFailure;
import org.hibernate.HibernateException;
import org.hibernate.boot.registry.classloading.spi.ClassLoaderService;
import org.hibernate.internal.jaxb.JaxbRoot;
import org.hibernate.internal.jaxb.mapping.orm.JaxbEntityMappings;
import org.hibernate.metamodel.MetadataSources;
import org.hibernate.metamodel.source.MetadataImplementor;
import org.hibernate.metamodel.source.MetadataSourceProcessor;
import org.hibernate.metamodel.source.annotations.global.FetchProfileBinder;
import org.hibernate.metamodel.source.annotations.global.FilterDefBinder;
import org.hibernate.metamodel.source.annotations.global.IdGeneratorBinder;
import org.hibernate.metamodel.source.annotations.global.QueryBinder;
import org.hibernate.metamodel.source.annotations.global.TableBinder;
import org.hibernate.metamodel.source.annotations.global.TypeDefBinder;
import org.hibernate.metamodel.source.annotations.xml.PseudoJpaDotNames;
import org.hibernate.metamodel.source.annotations.xml.mocker.EntityMappingsMocker;
import org.hibernate.metamodel.source.binder.Binder;
import org.hibernate.metamodel.source.binder.EntityHierarchy;
import org.hibernate.metamodel.source.internal.MetadataImpl;
import org.jboss.jandex.Index;
import org.jboss.jandex.Indexer;
import org.jboss.logging.Logger;
/**
* Main class responsible to creating and binding the Hibernate meta-model from annotations.
* This binder only has to deal with the (jandex) annotation index/repository. XML configuration is already processed
* and pseudo annotations are created.
*
* @author Hardy Ferentschik
* @author Steve Ebersole
*/
public class AnnotationMetadataSourceProcessorImpl implements MetadataSourceProcessor {
private static final Logger LOG = Logger.getLogger( AnnotationMetadataSourceProcessorImpl.class );
private final MetadataImplementor metadata;
private AnnotationBindingContext bindingContext;
public AnnotationMetadataSourceProcessorImpl(MetadataImpl metadata) {
this.metadata = metadata;
}
@Override
@SuppressWarnings( { "unchecked" })
public void prepare(MetadataSources sources) {
// create a jandex index from the annotated classes
Indexer indexer = new Indexer();
for ( Class clazz : sources.getAnnotatedClasses() ) {
indexClass( indexer, clazz.getName().replace( '.', '/' ) + ".class" );
}
// add package-info from the configured packages
for ( String packageName : sources.getAnnotatedPackages() ) {
indexClass( indexer, packageName.replace( '.', '/' ) + "/package-info.class" );
}
Index index = indexer.complete();
List> mappings = new ArrayList>();
for ( JaxbRoot root : sources.getJaxbRootList() ) {
if ( root.getRoot() instanceof JaxbEntityMappings ) {
mappings.add( (JaxbRoot) root );
}
}
if ( !mappings.isEmpty() ) {
index = parseAndUpdateIndex( mappings, index );
}
if ( index.getAnnotations( PseudoJpaDotNames.DEFAULT_DELIMITED_IDENTIFIERS ) != null ) {
// todo : this needs to move to AnnotationBindingContext
// what happens right now is that specifying this in an orm.xml causes it to effect all orm.xmls
metadata.setGloballyQuotedIdentifiers( true );
}
bindingContext = new AnnotationBindingContextImpl( metadata, index );
}
@Override
public void processIndependentMetadata(MetadataSources sources) {
assertBindingContextExists();
TypeDefBinder.bind( bindingContext );
}
private void assertBindingContextExists() {
if ( bindingContext == null ) {
throw new AssertionFailure( "The binding context should exist. Has prepare been called!?" );
}
}
@Override
public void processTypeDependentMetadata(MetadataSources sources) {
assertBindingContextExists();
IdGeneratorBinder.bind( bindingContext );
}
@Override
public void processMappingMetadata(MetadataSources sources, List processedEntityNames) {
assertBindingContextExists();
// need to order our annotated entities into an order we can process
Set hierarchies = EntityHierarchyBuilder.createEntityHierarchies( bindingContext );
Binder binder = new Binder( bindingContext.getMetadataImplementor(), new ArrayList() );
for ( EntityHierarchy hierarchy : hierarchies ) {
binder.processEntityHierarchy( hierarchy );
}
}
@Override
public void processMappingDependentMetadata(MetadataSources sources) {
TableBinder.bind( bindingContext );
FetchProfileBinder.bind( bindingContext );
QueryBinder.bind( bindingContext );
FilterDefBinder.bind( bindingContext );
}
private Index parseAndUpdateIndex(List> mappings, Index annotationIndex) {
List list = new ArrayList( mappings.size() );
for ( JaxbRoot jaxbRoot : mappings ) {
list.add( jaxbRoot.getRoot() );
}
return new EntityMappingsMocker( list, annotationIndex, metadata.getServiceRegistry() ).mockNewIndex();
}
private void indexClass(Indexer indexer, String className) {
InputStream stream = metadata.getServiceRegistry().getService( ClassLoaderService.class ).locateResourceStream(
className
);
try {
indexer.index( stream );
}
catch ( IOException e ) {
throw new HibernateException( "Unable to open input stream for class " + className, e );
}
}
}