/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, Red Hat Middleware LLC 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 Middleware LLC.
*
* 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.hql.ast.tree;
/**
* Represents a FROM element implied by a path expression or a collection reference.
*
* @author josh
*/
public class ImpliedFromElement extends FromElement {
/**
* True if this from element was implied from a path in the FROM clause, but not
* explicitly declard in the from clause.
*/
private boolean impliedInFromClause = false;
/**
* True if this implied from element should be included in the projection list.
*/
private boolean inProjectionList = false;
public boolean isImplied() {
return true;
}
public void setImpliedInFromClause(boolean flag) {
impliedInFromClause = flag;
}
public boolean isImpliedInFromClause() {
return impliedInFromClause;
}
public void setInProjectionList(boolean inProjectionList) {
this.inProjectionList = inProjectionList;
}
public boolean inProjectionList() {
return inProjectionList && isFromOrJoinFragment();
}
public boolean isIncludeSubclasses() {
return false; // Never include subclasses for implied from elements.
}
/**
* Returns additional display text for the AST node.
*
* @return String - The additional display text.
*/
public String getDisplayText() {
StringBuffer buf = new StringBuffer();
buf.append( "ImpliedFromElement{" );
appendDisplayText( buf );
buf.append( "}" );
return buf.toString();
}
}