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The core O/RM functionality as provided by Hibernate
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or .
*/
package org.hibernate.event.spi;
import java.io.Serializable;
import org.hibernate.HibernateException;
/**
* Defines the contract for handling of load events generated from a session.
*
* @author Steve Ebersole
*/
public interface LoadEventListener extends Serializable {
/**
* Handle the given load event.
*
* @param event The load event to be handled.
*
* @throws HibernateException
*/
public void onLoad(LoadEvent event, LoadType loadType) throws HibernateException;
public static final LoadType RELOAD = new LoadType( "RELOAD" )
.setAllowNulls( false )
.setAllowProxyCreation( false )
.setCheckDeleted( true )
.setNakedEntityReturned( false );
public static final LoadType GET = new LoadType( "GET" )
.setAllowNulls( true )
.setAllowProxyCreation( false )
.setCheckDeleted( true )
.setNakedEntityReturned( false );
public static final LoadType LOAD = new LoadType( "LOAD" )
.setAllowNulls( false )
.setAllowProxyCreation( true )
.setCheckDeleted( true )
.setNakedEntityReturned( false );
public static final LoadType IMMEDIATE_LOAD = new LoadType( "IMMEDIATE_LOAD" )
.setAllowNulls( true )
.setAllowProxyCreation( false )
.setCheckDeleted( false )
.setNakedEntityReturned( true );
public static final LoadType INTERNAL_LOAD_EAGER = new LoadType( "INTERNAL_LOAD_EAGER" )
.setAllowNulls( false )
.setAllowProxyCreation( false )
.setCheckDeleted( false )
.setNakedEntityReturned( false );
public static final LoadType INTERNAL_LOAD_LAZY = new LoadType( "INTERNAL_LOAD_LAZY" )
.setAllowNulls( false )
.setAllowProxyCreation( true )
.setCheckDeleted( false )
.setNakedEntityReturned( false );
public static final LoadType INTERNAL_LOAD_NULLABLE = new LoadType( "INTERNAL_LOAD_NULLABLE" )
.setAllowNulls( true )
.setAllowProxyCreation( false )
.setCheckDeleted( false )
.setNakedEntityReturned( false );
public static final class LoadType {
private String name;
private boolean nakedEntityReturned;
private boolean allowNulls;
private boolean checkDeleted;
private boolean allowProxyCreation;
private LoadType(String name) {
this.name = name;
}
public boolean isAllowNulls() {
return allowNulls;
}
private LoadType setAllowNulls(boolean allowNulls) {
this.allowNulls = allowNulls;
return this;
}
public boolean isNakedEntityReturned() {
return nakedEntityReturned;
}
private LoadType setNakedEntityReturned(boolean immediateLoad) {
this.nakedEntityReturned = immediateLoad;
return this;
}
public boolean isCheckDeleted() {
return checkDeleted;
}
private LoadType setCheckDeleted(boolean checkDeleted) {
this.checkDeleted = checkDeleted;
return this;
}
public boolean isAllowProxyCreation() {
return allowProxyCreation;
}
private LoadType setAllowProxyCreation(boolean allowProxyCreation) {
this.allowProxyCreation = allowProxyCreation;
return this;
}
public String getName() {
return name;
}
@Override
public String toString() {
return name;
}
}
}