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// $Id: ImpliedFromElement.java 7460 2005-07-12 20:27:29Z steveebersole $
package org.hibernate.hql.ast.tree;
/**
* Represents a FROM element implied by a path expression or a collection reference.
*
* @author josh Feb 10, 2005 12:31:03 AM
*/
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();
}
}