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

import com.alipay.zdal.parser.sql.ast.SQLExpr;
import com.alipay.zdal.parser.sql.ast.SQLObjectImpl;
import com.alipay.zdal.parser.sql.dialect.oracle.visitor.OracleASTVisitor;
import com.alipay.zdal.parser.sql.visitor.SQLASTVisitor;

/**
 * 
 * @author ����
 * @version $Id: OracleAnalyticWindowing.java, v 0.1 2012-11-17 ����3:42:59 Exp $
 */
@SuppressWarnings("serial")
public class OracleAnalyticWindowing extends SQLObjectImpl implements OracleExpr {

    private Type    type;
    private SQLExpr expr;

    public OracleAnalyticWindowing() {

    }

    @Override
    protected void accept0(SQLASTVisitor visitor) {
        this.accept0((OracleASTVisitor) visitor);
    }

    public void accept0(OracleASTVisitor visitor) {
        if (visitor.visit(this)) {
            acceptChild(visitor, this.expr);
        }
        visitor.endVisit(this);
    }

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

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

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

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

    public static enum Type {
        ROWS, RANGE;
    }
}