/**
 * Alipay.com Inc.
 * Copyright (c) 2004-2012 All Rights Reserved.
 */
package com.alipay.zdal.parser.sql.ast.statement;

import com.alipay.zdal.parser.sql.ast.SQLExpr;
import com.alipay.zdal.parser.sql.ast.SQLObjectImpl;
import com.alipay.zdal.parser.sql.ast.SQLOrderingSpecification;
import com.alipay.zdal.parser.sql.visitor.SQLASTVisitor;

/**
 * 
 * @author xiaoqing.zhouxq
 * @version $Id: SQLSelectOrderByItem.java, v 0.1 2012-11-17 ����3:23:38 xiaoqing.zhouxq Exp $
 */
public class SQLSelectOrderByItem extends SQLObjectImpl {

    private static final long          serialVersionUID = 1L;

    protected SQLExpr                  expr;
    protected String                   collate;
    protected SQLOrderingSpecification type;

    public SQLSelectOrderByItem() {

    }

    public SQLExpr getExpr() {
        return this.expr;
    }

    public void setExpr(SQLExpr expr) {
        this.expr = expr;
    }

    public String getCollate() {
        return collate;
    }

    public void setCollate(String collate) {
        this.collate = collate;
    }

    public SQLOrderingSpecification getType() {
        return this.type;
    }

    public void setType(SQLOrderingSpecification type) {
        this.type = type;
    }

    protected void accept0(SQLASTVisitor visitor) {
        if (visitor.visit(this)) {
            acceptChild(visitor, this.expr);
        }

        visitor.endVisit(this);
    }
}