/* ================================================================
* JSQLParser : java based sql parser
* ================================================================
*
* Project Info: http://jsqlparser.sourceforge.net
* Project Lead: Leonardo Francalanci (leoonardoo@yahoo.it);
*
* (C) Copyright 2004, by Leonardo Francalanci
*
* This library is free software; you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Foundation;
* either version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*/
package net.sf.jsqlparser.statement.select;
import net.sf.jsqlparser.expression.Expression;
/**
* An element (column reference) in an "ORDER BY" clause.
*/
public class OrderByElement {
private Expression expression;
private boolean asc = false;
private boolean desc = false;
private String comment;
public boolean isAsc() {
return asc;
}
public void setAsc(boolean b) {
asc = b;
}
public void accept(OrderByVisitor orderByVisitor) {
orderByVisitor.visit(this);
}
public Expression getExpression() {
return expression;
}
public void setExpression(Expression expression) {
this.expression = expression;
}
public String toString() {
if (!asc && !desc) {
return "" + expression;
} else {
return "" + expression + (getComment() != null ? " " + getComment() : "") + ((asc) ? " ASC" : ((desc) ? " DESC" : ""));
}
}
/**
* @return the comment
*/
public String getComment() {
return comment;
}
/**
* @param comment the comment to set
*/
public void setComment(String comment) {
this.comment = comment;
}
/**
* @return the desc
*/
public boolean isDesc() {
return desc;
}
/**
* @param desc the desc to set
*/
public void setDesc(boolean desc) {
this.desc = desc;
}
}