package org.hibernate.cfg;
import javax.persistence.ManyToOne;
import javax.persistence.OneToOne;
import org.hibernate.AssertionFailure;
import org.hibernate.annotations.common.reflection.XClass;
import org.hibernate.annotations.common.reflection.XProperty;
/**
* Work in progress
* The goal of this class is to aggregate all operations
* related to ToOne binding operations
*
* @author Emmanuel Bernard
*/
public class ToOneBinder {
public static String getReferenceEntityName(PropertyData propertyData, XClass targetEntity, ExtendedMappings mappings) {
if ( AnnotationBinder.isDefault( targetEntity, mappings ) ) {
return propertyData.getClassOrElementName();
}
else {
return targetEntity.getName();
}
}
public static String getReferenceEntityName(PropertyData propertyData, ExtendedMappings mappings) {
XClass targetEntity = getTargetEntity( propertyData, mappings );
if ( AnnotationBinder.isDefault( targetEntity, mappings ) ) {
return propertyData.getClassOrElementName();
}
else {
return targetEntity.getName();
}
}
public static XClass getTargetEntity(PropertyData propertyData, ExtendedMappings mappings) {
XProperty property = propertyData.getProperty();
return mappings.getReflectionManager().toXClass( getTargetEntityClass( property ) );
}
private static Class<?> getTargetEntityClass(XProperty property) {
final ManyToOne mTo = property.getAnnotation( ManyToOne.class );
if (mTo != null) {
return mTo.targetEntity();
}
final OneToOne oTo = property.getAnnotation( OneToOne.class );
if (oTo != null) {
return oTo.targetEntity();
}
throw new AssertionFailure("Unexpected discovery of a targetEntity: " + property.getName() );
}
}