[Hibernate-commits] Hibernate2/src/net/sf/hibernate/hql FromPathExpressionParser.java,NONE,1.1

[<one...@us...>]

Update of /cvsroot/hibernate/Hibernate2/src/net/sf/hibernate/hql
In directory sc8-pr-cvs1:/tmp/cvs-serv28314/sf/hibernate/hql

Added Files:
	FromPathExpressionParser.java 
Log Message:
reworked HQL, adding support for AS syntax in FROM clause
non-collection associations may now be aliased

--- NEW FILE: FromPathExpressionParser.java ---
//$Id: FromPathExpressionParser.java,v 1.1 2003/02/28 07:03:48 oneovthafew Exp $
package net.sf.hibernate.hql;

import net.sf.hibernate.QueryException;
import net.sf.hibernate.type.Type;

public class FromPathExpressionParser extends PathExpressionParser {

	public void end(QueryTranslator q) throws QueryException {
		if ( !isCollectionValued() ) {
			Type type = getPropertyType(q);
			if ( type.isEntityType() ) {
				// "finish off" the join
				token(".", q);
				token(null, q);
			}
			else if ( type.isPersistentCollectionType() ) {
				// default to element set if no elements() specified
				token(".", q);
				token(COLLECTION_ELEMENTS, q);
			}
		}
		super.end(q);
	}
	
	protected void setExpectingCollectionIndex() throws QueryException {
		throw new QueryException("expecting .elements or .indices after collection path expression in from");
	}
	

}