Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance. Project price only 1 $
You can buy this project and download/modify it how often you want.
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, Red Hat Middleware LLC 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 Middleware LLC.
*
* 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.loader.entity;
import org.hibernate.LockMode;
import org.hibernate.LockOptions;
import org.hibernate.MappingException;
import org.hibernate.engine.spi.LoadQueryInfluencers;
import org.hibernate.engine.spi.SessionFactoryImplementor;
import org.hibernate.engine.spi.SessionImplementor;
import org.hibernate.persister.entity.OuterJoinLoadable;
import org.hibernate.type.Type;
/**
* Loads an entity instance using outerjoin fetching to fetch associated entities.
*
* The EntityPersister must implement Loadable. For other entities,
* create a customized subclass of Loader.
*
* @author Gavin King
*/
public class EntityLoader extends AbstractEntityLoader {
private final boolean batchLoader;
private final int[][] compositeKeyManyToOneTargetIndices;
public EntityLoader(
OuterJoinLoadable persister,
LockMode lockMode,
SessionFactoryImplementor factory,
LoadQueryInfluencers loadQueryInfluencers) throws MappingException {
this( persister, 1, lockMode, factory, loadQueryInfluencers );
}
public EntityLoader(
OuterJoinLoadable persister,
LockOptions lockOptions,
SessionFactoryImplementor factory,
LoadQueryInfluencers loadQueryInfluencers) throws MappingException {
this( persister, 1, lockOptions, factory, loadQueryInfluencers );
}
public EntityLoader(
OuterJoinLoadable persister,
int batchSize,
LockMode lockMode,
SessionFactoryImplementor factory,
LoadQueryInfluencers loadQueryInfluencers) throws MappingException {
this(
persister,
persister.getIdentifierColumnNames(),
persister.getIdentifierType(),
batchSize,
lockMode,
factory,
loadQueryInfluencers
);
}
public EntityLoader(
OuterJoinLoadable persister,
int batchSize,
LockOptions lockOptions,
SessionFactoryImplementor factory,
LoadQueryInfluencers loadQueryInfluencers) throws MappingException {
this(
persister,
persister.getIdentifierColumnNames(),
persister.getIdentifierType(),
batchSize,
lockOptions,
factory,
loadQueryInfluencers
);
}
public EntityLoader(
OuterJoinLoadable persister,
String[] uniqueKey,
Type uniqueKeyType,
int batchSize,
LockMode lockMode,
SessionFactoryImplementor factory,
LoadQueryInfluencers loadQueryInfluencers) throws MappingException {
super( persister, uniqueKeyType, factory, loadQueryInfluencers );
EntityJoinWalker walker = new EntityJoinWalker(
persister,
uniqueKey,
batchSize,
lockMode,
factory,
loadQueryInfluencers
);
initFromWalker( walker );
this.compositeKeyManyToOneTargetIndices = walker.getCompositeKeyManyToOneTargetIndices();
postInstantiate();
batchLoader = batchSize > 1;
if ( LOG.isDebugEnabled() ) {
LOG.debugf( "Static select for entity %s [%s]: %s", entityName, lockMode, getSQLString() );
}
}
public EntityLoader(
OuterJoinLoadable persister,
String[] uniqueKey,
Type uniqueKeyType,
int batchSize,
LockOptions lockOptions,
SessionFactoryImplementor factory,
LoadQueryInfluencers loadQueryInfluencers) throws MappingException {
super( persister, uniqueKeyType, factory, loadQueryInfluencers );
EntityJoinWalker walker = new EntityJoinWalker(
persister,
uniqueKey,
batchSize,
lockOptions,
factory,
loadQueryInfluencers
);
initFromWalker( walker );
this.compositeKeyManyToOneTargetIndices = walker.getCompositeKeyManyToOneTargetIndices();
postInstantiate();
batchLoader = batchSize > 1;
if ( LOG.isDebugEnabled() ) {
LOG.debugf( "Static select for entity %s [%s:%s]: %s",
entityName,
lockOptions.getLockMode(),
lockOptions.getTimeOut(),
getSQLString() );
}
}
public Object loadByUniqueKey(SessionImplementor session,Object key) {
return load( session, key, null, null, LockOptions.NONE );
}
@Override
protected boolean isSingleRowLoader() {
return !batchLoader;
}
@Override
public int[][] getCompositeKeyManyToOneTargetIndices() {
return compositeKeyManyToOneTargetIndices;
}
}