/*
* 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.util.HashMap;
import java.util.Map;
import com.fasterxml.classmate.MemberResolver;
import com.fasterxml.classmate.ResolvedType;
import com.fasterxml.classmate.ResolvedTypeWithMembers;
import com.fasterxml.classmate.TypeResolver;
import org.jboss.jandex.ClassInfo;
import org.jboss.jandex.DotName;
import org.jboss.jandex.Index;
import org.hibernate.cfg.NamingStrategy;
import org.hibernate.internal.util.ValueHolder;
import org.hibernate.metamodel.domain.Type;
import org.hibernate.metamodel.source.MappingDefaults;
import org.hibernate.metamodel.source.MetadataImplementor;
import org.hibernate.service.ServiceRegistry;
import org.hibernate.service.classloading.spi.ClassLoaderService;
/**
* @author Steve Ebersole
*/
public class AnnotationBindingContextImpl implements AnnotationBindingContext {
private final MetadataImplementor metadata;
private final ValueHolder<ClassLoaderService> classLoaderService;
private final Index index;
private final TypeResolver typeResolver = new TypeResolver();
private final Map<Class<?>, ResolvedType> resolvedTypeCache = new HashMap<Class<?>, ResolvedType>();
public AnnotationBindingContextImpl(MetadataImplementor metadata, Index index) {
this.metadata = metadata;
this.classLoaderService = new ValueHolder<ClassLoaderService>(
new ValueHolder.DeferredInitializer<ClassLoaderService>() {
@Override
public ClassLoaderService initialize() {
return AnnotationBindingContextImpl.this.metadata
.getServiceRegistry()
.getService( ClassLoaderService.class );
}
}
);
this.index = index;
}
@Override
public Index getIndex() {
return index;
}
@Override
public ClassInfo getClassInfo(String name) {
DotName dotName = DotName.createSimple( name );
return index.getClassByName( dotName );
}
@Override
public void resolveAllTypes(String className) {
// the resolved type for the top level class in the hierarchy
Class<?> clazz = classLoaderService.getValue().classForName( className );
ResolvedType resolvedType = typeResolver.resolve( clazz );
while ( resolvedType != null ) {
// todo - check whether there is already something in the map
resolvedTypeCache.put( clazz, resolvedType );
resolvedType = resolvedType.getParentClass();
if ( resolvedType != null ) {
clazz = resolvedType.getErasedType();
}
}
}
@Override
public ResolvedType getResolvedType(Class<?> clazz) {
// todo - error handling
return resolvedTypeCache.get( clazz );
}
@Override
public ResolvedTypeWithMembers resolveMemberTypes(ResolvedType type) {
// todo : is there a reason we create this resolver every time?
MemberResolver memberResolver = new MemberResolver( typeResolver );
return memberResolver.resolve( type, null, null );
}
@Override
public ServiceRegistry getServiceRegistry() {
return getMetadataImplementor().getServiceRegistry();
}
@Override
public NamingStrategy getNamingStrategy() {
return metadata.getNamingStrategy();
}
@Override
public MappingDefaults getMappingDefaults() {
return metadata.getMappingDefaults();
}
@Override
public MetadataImplementor getMetadataImplementor() {
return metadata;
}
@Override
public <T> Class<T> locateClassByName(String name) {
return classLoaderService.getValue().classForName( name );
}
private Map<String, Type> nameToJavaTypeMap = new HashMap<String, Type>();
@Override
public Type makeJavaType(String className) {
Type javaType = nameToJavaTypeMap.get( className );
if ( javaType == null ) {
javaType = metadata.makeJavaType( className );
nameToJavaTypeMap.put( className, javaType );
}
return javaType;
}
@Override
public ValueHolder<Class<?>> makeClassReference(String className) {
return new ValueHolder<Class<?>>( locateClassByName( className ) );
}
@Override
public String qualifyClassName(String name) {
return name;
}
@Override
public boolean isGloballyQuotedIdentifiers() {
return metadata.isGloballyQuotedIdentifiers();
}
}