org.hibernate.loader.PropertyPath Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, Red Hat Inc. 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 Inc.
*
* 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;
import org.hibernate.internal.util.StringHelper;
/**
* @author Steve Ebersole
*/
public class PropertyPath {
private final PropertyPath parent;
private final String property;
private final String fullPath;
public PropertyPath(PropertyPath parent, String property) {
this.parent = parent;
this.property = property;
// the _identifierMapper is a "hidden" property on entities with composite keys.
// concatenating it will prevent the path from correctly being used to look up
// various things such as criteria paths and fetch profile association paths
if ( "_identifierMapper".equals( property ) ) {
this.fullPath = parent != null ? parent.getFullPath() : "";
}
else {
final String prefix;
if ( parent != null ) {
final String resolvedParent = parent.getFullPath();
if ( StringHelper.isEmpty( resolvedParent ) ) {
prefix = "";
}
else {
prefix = resolvedParent + '.';
}
}
else {
prefix = "";
}
this.fullPath = prefix + property;
}
}
public PropertyPath(String property) {
this( null, property );
}
public PropertyPath() {
this( "" );
}
public PropertyPath append(String property) {
return new PropertyPath( this, property );
}
public PropertyPath getParent() {
return parent;
}
public String getProperty() {
return property;
}
public String getFullPath() {
return fullPath;
}
public boolean isRoot() {
return parent == null && StringHelper.isEmpty( property );
}
@Override
public String toString() {
return getClass().getSimpleName() + '[' + fullPath + ']';
}
}