/**
 * 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.SQLName;
import com.alipay.zdal.parser.sql.ast.SQLStatementImpl;
import com.alipay.zdal.parser.sql.ast.expr.SQLIdentifierExpr;
import com.alipay.zdal.parser.sql.visitor.SQLASTVisitor;

/**
 * 
 * @author xiaoqing.zhouxq
 * @version $Id: SQLDeleteStatement.java, v 0.1 2012-11-17 ����3:21:44 xiaoqing.zhouxq Exp $
 */
public class SQLDeleteStatement extends SQLStatementImpl {

    private static final long serialVersionUID = 1L;
    protected SQLTableSource  tableSource;
    protected SQLExpr         where;

    public SQLDeleteStatement() {

    }

    public SQLTableSource getTableSource() {
        return tableSource;
    }

    public SQLExprTableSource getExprTableSource() {
        return (SQLExprTableSource) getTableSource();
    }

    public void setTableSource(SQLExpr expr) {
        this.setTableSource(new SQLExprTableSource(expr));
    }

    public void setTableSource(SQLTableSource tableSource) {
        this.tableSource = tableSource;
    }

    public SQLName getTableName() {
        return (SQLName) getExprTableSource().getExpr();
    }

    public void setTableName(SQLName tableName) {
        this.setTableSource(new SQLExprTableSource(tableName));
    }

    public void setTableName(String name) {
        setTableName(new SQLIdentifierExpr(name));
    }

    public SQLExpr getWhere() {
        return where;
    }

    public void setWhere(SQLExpr where) {
        this.where = where;
    }

    public String getAlias() {
        return this.tableSource.getAlias();
    }

    public void setAlias(String alias) {
        this.tableSource.setAlias(alias);
    }

    @Override
    protected void accept0(SQLASTVisitor visitor) {
        if (visitor.visit(this)) {
            acceptChild(visitor, tableSource);
            acceptChild(visitor, where);
        }

        visitor.endVisit(this);
    }

}