Package org.hibernate.loader.collection

Source Code of org.hibernate.loader.collection.BasicCollectionLoader

//$Id: BasicCollectionLoader.java 7123 2005-06-13 20:10:20Z oneovthafew $
package org.hibernate.loader.collection;

import java.util.Map;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.hibernate.MappingException;
import org.hibernate.engine.SessionFactoryImplementor;
import org.hibernate.loader.JoinWalker;
import org.hibernate.persister.collection.QueryableCollection;

/**
* Loads a collection of values or a many-to-many association.
* <br>
* The collection persister must implement <tt>QueryableCOllection<tt>. For
* other collections, create a customized subclass of <tt>Loader</tt>.
*
* @see OneToManyLoader
* @author Gavin King
*/
public class BasicCollectionLoader extends CollectionLoader {

  private static final Logger log = LoggerFactory.getLogger(BasicCollectionLoader.class);

  public BasicCollectionLoader(
      QueryableCollection collectionPersister,
      SessionFactoryImplementor session,
      Map enabledFilters)
  throws MappingException {
    this(collectionPersister, 1, session, enabledFilters);
  }

  public BasicCollectionLoader(
      QueryableCollection collectionPersister,
      int batchSize,
      SessionFactoryImplementor factory,
      Map enabledFilters)
  throws MappingException {
    this(collectionPersister, batchSize, null, factory, enabledFilters);
  }
 
  protected BasicCollectionLoader(
      QueryableCollection collectionPersister,
      int batchSize,
      String subquery,
      SessionFactoryImplementor factory,
      Map enabledFilters)
  throws MappingException {
   
    super(collectionPersister, factory, enabledFilters);
   
    JoinWalker walker = new BasicCollectionJoinWalker(
        collectionPersister,
        batchSize,
        subquery,
        factory,
        enabledFilters
      );
    initFromWalker( walker );

    postInstantiate();

    log.debug( "Static select for collection " + collectionPersister.getRole() + ": " + getSQLString() );
  }
 
}
TOP

Related Classes of org.hibernate.loader.collection.BasicCollectionLoader

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.