org.hibernate.envers.query.projection.internal.PropertyAuditProjection Maven / Gradle / Ivy
/*
* 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.envers.query.projection.internal;
import org.hibernate.envers.boot.internal.EnversService;
import org.hibernate.envers.internal.entities.EntityInstantiator;
import org.hibernate.envers.query.internal.property.PropertyNameGetter;
import org.hibernate.envers.query.projection.AuditProjection;
/**
* @author Adam Warski (adam at warski dot org)
*/
public class PropertyAuditProjection implements AuditProjection {
private final String alias;
private final PropertyNameGetter propertyNameGetter;
private final String function;
private final boolean distinct;
public PropertyAuditProjection(String alias, PropertyNameGetter propertyNameGetter, String function, boolean distinct) {
this.alias = alias;
this.propertyNameGetter = propertyNameGetter;
this.function = function;
this.distinct = distinct;
}
@Override
public ProjectionData getData(EnversService enversService) {
String propertyName = propertyNameGetter.get( enversService );
return new ProjectionData( function, alias, propertyName, distinct );
}
@Override
public Object convertQueryResult(EnversService enversService, EntityInstantiator entityInstantiator, String entityName, Number revision, Object value) {
return value;
}
}