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

import java.util.ArrayList;
import java.util.List;

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

/**
 * 
 * @author xiaoqing.zhouxq
 * @version $Id: SQLInsertStatement.java, v 0.1 2012-11-17 ����3:22:39 xiaoqing.zhouxq Exp $
 */
public class SQLInsertStatement extends SQLInsertInto implements SQLStatement {

    private static final long serialVersionUID = 1L;

    public SQLInsertStatement() {

    }

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

        visitor.endVisit(this);
    }

    public static class ValuesClause extends SQLObjectImpl {

        private static final long   serialVersionUID = 1L;
        private final List<SQLExpr> values           = new ArrayList<SQLExpr>();

        public List<SQLExpr> getValues() {
            return values;
        }

        public void output(StringBuffer buf) {
            buf.append(" VALUES (");
            for (int i = 0, size = values.size(); i < size; ++i) {
                if (i != 0) {
                    buf.append(", ");
                }
                values.get(i).output(buf);
            }
            buf.append(")");
        }

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

            visitor.endVisit(this);
        }
    }
}