/**
 * Copyright (c) 2014 Baidu, Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/**
 * 
 */
package com.baidu.rigel.biplatform.queryrouter.query.vo.sql;

import java.io.Serializable;

/**
 * 查询的属性
 * 
 * @author luowenlei
 *
 */
public class SqlSelectColumn implements Serializable {
    
    /**
     * serialVersionUID
     */
    private static final long serialVersionUID = 3513983220906833848L;
    
    /**
     * select sql中select的字段
     */
    private String select;
    
    /**
     * sqlSelectColumnType
     */
    private SqlSelectColumnType sqlSelectColumnType;
    
    /**
     * operator sql中select的字段的agg或其他算子
     */
    private String operator;
    
    /**
     * getSqlSelectColumnType
     *
     * @return
     */
    public SqlSelectColumnType getSqlSelectColumnType() {
        if (sqlSelectColumnType == null) {
            this.sqlSelectColumnType = SqlSelectColumnType.COMMON;
        }
        return sqlSelectColumnType;
    }
    
    /**
     * setSqlSelectColumnType
     * 
     * @param sqlSelectColumnType
     *            the sqlSelectColumnType to set
     */
    public void setSqlSelectColumnType(SqlSelectColumnType sqlSelectColumnType) {
        this.sqlSelectColumnType = sqlSelectColumnType;
    }
    
    /**
     * @return the select
     */
    public String getSelect() {
        return select;
    }
    
    /**
     * @param select
     *            the select to set
     */
    public void setSelect(String select) {
        this.select = select;
    }
    
    /**
     * @return the operator
     */
    public String getOperator() {
        return operator;
    }
    
    /**
     * @param operator
     *            the operator to set
     */
    public void setOperator(String operator) {
        this.operator = operator;
    }
    
    /**
     * SqlSelectColumn
     * 
     * @param select
     */
    public SqlSelectColumn(String select) {
        this.select = select;
    }
}