org.hibernate.internal.util.EntityPrinter Maven / Gradle / Ivy
/*
* 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.internal.util;
import java.util.HashMap;
import java.util.Map;
import org.jboss.logging.Logger;
import org.hibernate.HibernateException;
import org.hibernate.bytecode.instrumentation.spi.LazyPropertyInitializer;
import org.hibernate.engine.spi.EntityKey;
import org.hibernate.engine.spi.SessionFactoryImplementor;
import org.hibernate.engine.spi.TypedValue;
import org.hibernate.internal.CoreMessageLogger;
import org.hibernate.persister.entity.EntityPersister;
import org.hibernate.type.Type;
/**
* Renders entities and query parameters to a nicely readable string.
* @author Gavin King
*/
public final class EntityPrinter {
private static final CoreMessageLogger LOG = Logger.getMessageLogger(CoreMessageLogger.class, EntityPrinter.class.getName());
private SessionFactoryImplementor factory;
/**
* Renders an entity to a string.
*
* @param entityName the entity name
* @param entity an actual entity object, not a proxy!
* @return the entity rendered to a string
*/
public String toString(String entityName, Object entity) throws HibernateException {
EntityPersister entityPersister = factory.getEntityPersister( entityName );
if ( entityPersister == null ) {
return entity.getClass().getName();
}
Map result = new HashMap();
if ( entityPersister.hasIdentifierProperty() ) {
result.put(
entityPersister.getIdentifierPropertyName(),
entityPersister.getIdentifierType().toLoggableString( entityPersister.getIdentifier( entity ), factory )
);
}
Type[] types = entityPersister.getPropertyTypes();
String[] names = entityPersister.getPropertyNames();
Object[] values = entityPersister.getPropertyValues( entity );
for ( int i=0; i namedTypedValues) throws HibernateException {
Map result = new HashMap();
for ( Map.Entry entry : namedTypedValues.entrySet() ) {
result.put(
entry.getKey(), entry.getValue().getType().toLoggableString(
entry.getValue().getValue(),
factory
)
);
}
return result.toString();
}
// Cannot use Map as an argument because it clashes with the previous method (due to type erasure)
public void toString(Iterable> entitiesByEntityKey) throws HibernateException {
if ( ! LOG.isDebugEnabled() || ! entitiesByEntityKey.iterator().hasNext() ) return;
LOG.debug( "Listing entities:" );
int i=0;
for ( Map.Entry entityKeyAndEntity : entitiesByEntityKey ) {
if (i++>20) {
LOG.debug("More......");
break;
}
LOG.debug( toString( entityKeyAndEntity.getKey().getEntityName(), entityKeyAndEntity.getValue() ) );
}
}
public EntityPrinter(SessionFactoryImplementor factory) {
this.factory = factory;
}
}