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org.hibernate.metamodel.source.annotations.xml.mocker.IndexBuilder 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.xml.mocker;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.jboss.jandex.AnnotationInstance;
import org.jboss.jandex.ClassInfo;
import org.jboss.jandex.DotName;
import org.jboss.jandex.Index;
import org.jboss.logging.Logger;
import org.hibernate.AssertionFailure;
import org.hibernate.internal.CoreMessageLogger;
import org.hibernate.internal.util.StringHelper;
import org.hibernate.metamodel.source.annotations.xml.filter.IndexedAnnotationFilter;
import org.hibernate.service.ServiceRegistry;
import org.hibernate.service.classloading.spi.ClassLoaderService;
/**
* @author Strong Liu
*/
public class IndexBuilder {
private static final CoreMessageLogger LOG = Logger.getMessageLogger(
CoreMessageLogger.class,
IndexBuilder.class.getName()
);
private Map> annotations;
private Map> subclasses;
private Map> implementors;
private Map classes;
private Index index;
private Map>> classInfoAnnotationsMap;
private Map>> indexedClassInfoAnnotationsMap;
private ServiceRegistry serviceRegistry;
IndexBuilder(Index index, ServiceRegistry serviceRegistry) {
this.index = index;
this.serviceRegistry = serviceRegistry;
this.annotations = new HashMap>();
this.subclasses = new HashMap>();
this.implementors = new HashMap>();
this.classes = new HashMap();
this.classInfoAnnotationsMap = new HashMap>>();
this.indexedClassInfoAnnotationsMap = new HashMap>>();
}
/**
* Build new {@link Index} with mocked annotations from orm.xml.
* This method should be only called once per {@org.hibernate.metamodel.source.annotations.xml.mocker.IndexBuilder IndexBuilder} instance.
*
* @param globalDefaults Global defaults from , or null.
*
* @return Index.
*/
Index build(EntityMappingsMocker.Default globalDefaults) {
//merge annotations that not overrided by xml into the new Index
for ( ClassInfo ci : index.getKnownClasses() ) {
DotName name = ci.name();
if ( indexedClassInfoAnnotationsMap.containsKey( name ) ) {
//this class has been overrided by orm.xml
continue;
}
if ( ci.annotations() != null && !ci.annotations().isEmpty() ) {
Map> tmp = new HashMap>( ci.annotations() );
DefaultConfigurationHelper.INSTANCE.applyDefaults( tmp, globalDefaults );
mergeAnnotationMap( tmp, annotations );
classes.put( name, ci );
if ( ci.superName() != null ) {
addSubClasses( ci.superName(), ci );
}
if ( ci.interfaces() != null && ci.interfaces().length > 0 ) {
addImplementors( ci.interfaces(), ci );
}
}
}
return Index.create(
annotations, subclasses, implementors, classes
);
}
Map> getAnnotations(){
return Collections.unmodifiableMap( annotations );
}
/**
* If {@code xml-mapping-metadata-complete} is defined in PersistenceUnitMetadata, we create a new empty {@link Index} here.
*/
void mappingMetadataComplete() {
LOG.debug(
"xml-mapping-metadata-complete is specified in persistence-unit-metadata, ignore JPA annotations."
);
index = Index.create(
new HashMap>(),
new HashMap>(),
new HashMap>(),
new HashMap()
);
}
/**
* @param name Entity Object dot name which is being process.
*/
void metadataComplete(DotName name) {
LOG.debug(
"metadata-complete is specified in " + name + ", ignore JPA annotations."
);
getIndexedAnnotations( name ).clear();
}
public Map> getIndexedAnnotations(DotName name) {
Map> map = indexedClassInfoAnnotationsMap.get( name );
if ( map == null ) {
ClassInfo ci = index.getClassByName( name );
if ( ci == null || ci.annotations() == null ) {
map = Collections.emptyMap();
}
else {
map = new HashMap>( ci.annotations() );
//here we ignore global annotations
for ( DotName globalAnnotationName : DefaultConfigurationHelper.GLOBAL_ANNOTATIONS ) {
if ( map.containsKey( globalAnnotationName ) ) {
map.put( globalAnnotationName, Collections.emptyList() );
}
}
}
indexedClassInfoAnnotationsMap.put( name, map );
}
return map;
}
public Map> getClassInfoAnnotationsMap(DotName name) {
return classInfoAnnotationsMap.get( name );
}
public ClassInfo getClassInfo(DotName name) {
return classes.get( name );
}
public ClassInfo getIndexedClassInfo(DotName name) {
return index.getClassByName( name );
}
void collectGlobalConfigurationFromIndex(GlobalAnnotations globalAnnotations) {
for ( DotName annName : DefaultConfigurationHelper.GLOBAL_ANNOTATIONS ) {
List annotationInstanceList = index.getAnnotations( annName );
if ( MockHelper.isNotEmpty( annotationInstanceList ) ) {
globalAnnotations.addIndexedAnnotationInstance( annotationInstanceList );
}
}
globalAnnotations.filterIndexedAnnotations();
}
void finishGlobalConfigurationMocking(GlobalAnnotations globalAnnotations) {
annotations.putAll( globalAnnotations.getAnnotationInstanceMap() );
}
void finishEntityObject(final DotName name, final EntityMappingsMocker.Default defaults) {
Map> map = classInfoAnnotationsMap.get( name );
if ( map == null ) {
throw new AssertionFailure( "Calling finish entity object " + name + " before create it." );
}
// annotations classes overrided by xml
if ( indexedClassInfoAnnotationsMap.containsKey( name ) ) {
Map> tmp = getIndexedAnnotations( name );
mergeAnnotationMap( tmp, map );
}
DefaultConfigurationHelper.INSTANCE.applyDefaults( map, defaults );
mergeAnnotationMap( map, annotations );
}
void addAnnotationInstance(DotName targetClassName, AnnotationInstance annotationInstance) {
if ( annotationInstance == null ) {
return;
}
for ( IndexedAnnotationFilter indexedAnnotationFilter : IndexedAnnotationFilter.ALL_FILTERS ) {
indexedAnnotationFilter.beforePush( this, targetClassName, annotationInstance );
}
Map> map = classInfoAnnotationsMap.get( targetClassName );
if ( map == null ) {
throw new AssertionFailure( "Can't find " + targetClassName + " in internal cache, should call createClassInfo first" );
}
List annotationInstanceList = map.get( annotationInstance.name() );
if ( annotationInstanceList == null ) {
annotationInstanceList = new ArrayList();
map.put( annotationInstance.name(), annotationInstanceList );
}
annotationInstanceList.add( annotationInstance );
}
ServiceRegistry getServiceRegistry() {
return serviceRegistry;
}
ClassInfo createClassInfo(String className) {
if ( StringHelper.isEmpty( className ) ) {
throw new AssertionFailure( "Class Name used to create ClassInfo is empty." );
}
DotName classDotName = DotName.createSimple( className );
if ( classes.containsKey( classDotName ) ) {
//classInfoAnnotationsMap.put( classDotName, new HashMap>(classes.get( classDotName ).annotations()) );
return classes.get( classDotName );
}
Class clazz = serviceRegistry.getService( ClassLoaderService.class ).classForName( className );
DotName superName = null;
DotName[] interfaces = null;
short access_flag;
ClassInfo annClassInfo = index.getClassByName( classDotName );
if ( annClassInfo != null ) {
superName = annClassInfo.superName();
interfaces = annClassInfo.interfaces();
access_flag = annClassInfo.flags();
}
else {
Class superClass = clazz.getSuperclass();
if ( superClass != null ) {
superName = DotName.createSimple( superClass.getName() );
}
Class[] classInterfaces = clazz.getInterfaces();
if ( classInterfaces != null && classInterfaces.length > 0 ) {
interfaces = new DotName[classInterfaces.length];
for ( int i = 0; i < classInterfaces.length; i++ ) {
interfaces[i] = DotName.createSimple( classInterfaces[i].getName() );
}
}
access_flag = (short) ( clazz.getModifiers() | 0x20 );//(modifiers | ACC_SUPER)
}
Map> map = new HashMap>();
classInfoAnnotationsMap.put( classDotName, map );
ClassInfo classInfo = ClassInfo.create(
classDotName, superName, access_flag, interfaces, map
);
classes.put( classDotName, classInfo );
addSubClasses( superName, classInfo );
addImplementors( interfaces, classInfo );
return classInfo;
}
private void addSubClasses(DotName superClassDotName, ClassInfo classInfo) {
if ( superClassDotName != null ) {
List classInfoList = subclasses.get( superClassDotName );
if ( classInfoList == null ) {
classInfoList = new ArrayList();
subclasses.put( superClassDotName, classInfoList );
}
classInfoList.add( classInfo );
}
}
private void addImplementors(DotName[] dotNames, ClassInfo classInfo) {
if ( dotNames != null && dotNames.length > 0 ) {
for ( DotName dotName : dotNames ) {
List classInfoList = implementors.get( dotName );
if ( classInfoList == null ) {
classInfoList = new ArrayList();
implementors.put( dotName, classInfoList );
}
classInfoList.add( classInfo );
}
}
}
//merge source into target
private void mergeAnnotationMap(Map> source, Map> target) {
if ( source != null ) {
for ( Map.Entry> el : source.entrySet() ) {
if ( el.getValue().isEmpty() ) {
continue;
}
DotName annotationName = el.getKey();
List value = el.getValue();
List annotationInstanceList = target.get( annotationName );
if ( annotationInstanceList == null ) {
annotationInstanceList = new ArrayList();
target.put( annotationName, annotationInstanceList );
}
annotationInstanceList.addAll( value );
}
}
}
}
