org.hibernate.metamodel.source.annotations.global.FetchProfileBinder 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.
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*/
package org.hibernate.metamodel.source.annotations.global;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.jboss.jandex.AnnotationInstance;
import org.hibernate.MappingException;
import org.hibernate.annotations.FetchMode;
import org.hibernate.annotations.FetchProfiles;
import org.hibernate.metamodel.binding.FetchProfile;
import org.hibernate.metamodel.binding.FetchProfile.Fetch;
import org.hibernate.metamodel.source.MetadataImplementor;
import org.hibernate.metamodel.source.annotations.AnnotationBindingContext;
import org.hibernate.metamodel.source.annotations.HibernateDotNames;
import org.hibernate.metamodel.source.annotations.JandexHelper;
/**
* Binds fetch profiles found in annotations.
*
* @author Hardy Ferentschik
*/
public class FetchProfileBinder {
private FetchProfileBinder() {
}
/**
* Binds all {@link FetchProfiles} and {@link org.hibernate.annotations.FetchProfile} annotations to the supplied metadata.
*
* @param bindingContext the context for annotation binding
*/
// TODO verify that association exists. See former VerifyFetchProfileReferenceSecondPass
public static void bind(AnnotationBindingContext bindingContext) {
List annotations = bindingContext.getIndex()
.getAnnotations( HibernateDotNames.FETCH_PROFILE );
for ( AnnotationInstance fetchProfile : annotations ) {
bind( bindingContext.getMetadataImplementor(), fetchProfile );
}
annotations = bindingContext.getIndex().getAnnotations( HibernateDotNames.FETCH_PROFILES );
for ( AnnotationInstance fetchProfiles : annotations ) {
AnnotationInstance[] fetchProfileAnnotations = JandexHelper.getValue(
fetchProfiles,
"value",
AnnotationInstance[].class
);
for ( AnnotationInstance fetchProfile : fetchProfileAnnotations ) {
bind( bindingContext.getMetadataImplementor(), fetchProfile );
}
}
}
private static void bind(MetadataImplementor metadata, AnnotationInstance fetchProfile) {
String name = JandexHelper.getValue( fetchProfile, "name", String.class );
Set fetches = new HashSet();
AnnotationInstance[] overrideAnnotations = JandexHelper.getValue(
fetchProfile,
"fetchOverrides",
AnnotationInstance[].class
);
for ( AnnotationInstance override : overrideAnnotations ) {
FetchMode fetchMode = JandexHelper.getEnumValue( override, "mode", FetchMode.class );
if ( !fetchMode.equals( org.hibernate.annotations.FetchMode.JOIN ) ) {
throw new MappingException( "Only FetchMode.JOIN is currently supported" );
}
final String entityName = JandexHelper.getValue( override, "entity", String.class );
final String associationName = JandexHelper.getValue( override, "association", String.class );
fetches.add( new Fetch( entityName, associationName, fetchMode.toString().toLowerCase() ) );
}
metadata.addFetchProfile( new FetchProfile( name, fetches ) );
}
}