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/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, 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.cfg.annotations.reflection;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.Serializable;
import java.lang.reflect.AnnotatedElement;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.persistence.EntityListeners;
import javax.persistence.NamedNativeQuery;
import javax.persistence.NamedQuery;
import javax.persistence.SequenceGenerator;
import javax.persistence.SqlResultSetMapping;
import javax.persistence.TableGenerator;
import org.dom4j.Element;
import org.hibernate.annotations.common.reflection.AnnotationReader;
import org.hibernate.annotations.common.reflection.MetadataProvider;
import org.hibernate.annotations.common.reflection.java.JavaMetadataProvider;
import org.hibernate.internal.util.ReflectHelper;
/**
* MetadataProvider aware of the JPA Deployment descriptor
*
* @author Emmanuel Bernard
*/
public class JPAMetadataProvider implements MetadataProvider, Serializable {
private transient MetadataProvider delegate = new JavaMetadataProvider();
private transient Map defaults;
private transient Map cache = new HashMap(100);
//all of the above can be safely rebuilt from XMLContext: only XMLContext this object is serialized
private XMLContext xmlContext = new XMLContext();
private void readObject(ObjectInputStream ois) throws IOException, ClassNotFoundException {
ois.defaultReadObject();
delegate = new JavaMetadataProvider();
cache = new HashMap(100);
}
@Override
public AnnotationReader getAnnotationReader(AnnotatedElement annotatedElement) {
AnnotationReader reader = cache.get( annotatedElement );
if (reader == null) {
if ( xmlContext.hasContext() ) {
reader = new JPAOverriddenAnnotationReader( annotatedElement, xmlContext );
}
else {
reader = delegate.getAnnotationReader( annotatedElement );
}
cache.put(annotatedElement, reader);
}
return reader;
}
@Override
public Map getDefaults() {
if ( defaults == null ) {
defaults = new HashMap();
XMLContext.Default xmlDefaults = xmlContext.getDefault( null );
defaults.put( "schema", xmlDefaults.getSchema() );
defaults.put( "catalog", xmlDefaults.getCatalog() );
defaults.put( "delimited-identifier", xmlDefaults.getDelimitedIdentifier() );
List entityListeners = new ArrayList();
for ( String className : xmlContext.getDefaultEntityListeners() ) {
try {
entityListeners.add( ReflectHelper.classForName( className, this.getClass() ) );
}
catch ( ClassNotFoundException e ) {
throw new IllegalStateException( "Default entity listener class not found: " + className );
}
}
defaults.put( EntityListeners.class, entityListeners );
for ( Element element : xmlContext.getAllDocuments() ) {
@SuppressWarnings( "unchecked" )
List elements = element.elements( "sequence-generator" );
List sequenceGenerators = ( List ) defaults.get( SequenceGenerator.class );
if ( sequenceGenerators == null ) {
sequenceGenerators = new ArrayList();
defaults.put( SequenceGenerator.class, sequenceGenerators );
}
for ( Element subelement : elements ) {
sequenceGenerators.add( JPAOverriddenAnnotationReader.buildSequenceGeneratorAnnotation( subelement ) );
}
elements = element.elements( "table-generator" );
List tableGenerators = ( List ) defaults.get( TableGenerator.class );
if ( tableGenerators == null ) {
tableGenerators = new ArrayList();
defaults.put( TableGenerator.class, tableGenerators );
}
for ( Element subelement : elements ) {
tableGenerators.add(
JPAOverriddenAnnotationReader.buildTableGeneratorAnnotation(
subelement, xmlDefaults
)
);
}
List namedQueries = ( List ) defaults.get( NamedQuery.class );
if ( namedQueries == null ) {
namedQueries = new ArrayList();
defaults.put( NamedQuery.class, namedQueries );
}
List currentNamedQueries = JPAOverriddenAnnotationReader.buildNamedQueries(
element, false, xmlDefaults
);
namedQueries.addAll( currentNamedQueries );
List namedNativeQueries = ( List ) defaults.get( NamedNativeQuery.class );
if ( namedNativeQueries == null ) {
namedNativeQueries = new ArrayList();
defaults.put( NamedNativeQuery.class, namedNativeQueries );
}
List currentNamedNativeQueries = JPAOverriddenAnnotationReader.buildNamedQueries(
element, true, xmlDefaults
);
namedNativeQueries.addAll( currentNamedNativeQueries );
List sqlResultSetMappings = ( List ) defaults.get(
SqlResultSetMapping.class
);
if ( sqlResultSetMappings == null ) {
sqlResultSetMappings = new ArrayList();
defaults.put( SqlResultSetMapping.class, sqlResultSetMappings );
}
List currentSqlResultSetMappings = JPAOverriddenAnnotationReader.buildSqlResultsetMappings(
element, xmlDefaults
);
sqlResultSetMappings.addAll( currentSqlResultSetMappings );
}
}
return defaults;
}
public XMLContext getXMLContext() {
return xmlContext;
}
}
