/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* JBoss, Home of Professional Open Source
* Copyright 2011 Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the @authors tag. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* 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,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
package org.hibernate.search.query.engine.impl;
import java.io.Serializable;
import java.util.LinkedList;
import java.util.List;
import org.hibernate.search.query.engine.spi.EntityInfo;
/**
* Wrapper class describing the loading of an element.
*
* @author Emmanuel Bernard
* @author Hardy Ferentschik
*/
public class EntityInfoImpl implements EntityInfo {
/**
* The entity class.
*/
private final Class<?> clazz;
/**
* The document id.
*/
private final Serializable id;
/**
* The name of the document id property.
*/
private final String idName;
/**
* Array of projected values. {@code null} in case there are no projections.
*/
private final Object[] projection;
private final List<Integer> indexesOfThis = new LinkedList<Integer>();
public Class<?> getClazz() {
return clazz;
}
public Serializable getId() {
return id;
}
public String getIdName() {
return idName;
}
public Object[] getProjection() {
return projection;
}
public List<Integer> getIndexesOfThis() {
return indexesOfThis;
}
public boolean isProjectThis() {
return indexesOfThis.size() != 0;
}
public void populateWithEntityInstance(Object entity) {
for (int index : indexesOfThis) {
projection[index] = entity;
}
}
public EntityInfoImpl(Class clazz, String idName, Serializable id, Object[] projection) {
this.clazz = clazz;
this.idName = idName;
this.id = id;
if ( projection != null ) {
this.projection = projection.clone();
}
else {
this.projection = null;
}
}
}