Package org.hibernate.metamodel.source.annotations.global

Source Code of org.hibernate.metamodel.source.annotations.global.FetchProfileBinder

/*
* 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.global;

import java.util.HashSet;
import java.util.List;
import java.util.Set;

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;

import org.jboss.jandex.AnnotationInstance;

/**
* 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<AnnotationInstance> 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<Fetch> fetches = new HashSet<Fetch>();
    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 ) );
  }
}
TOP

Related Classes of org.hibernate.metamodel.source.annotations.global.FetchProfileBinder

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.