首先需要知道执行流程,当new一个子类的实例时,执行顺序为 父类构造方法—》子类属性赋值
所以可以通过对子类属性设置set和get方法来实现对子类属性的赋值,请看以下代码
父类:
[code lang="java"] import com.taiji.tr.errorlog.MyLogger; import java.util.Set; /** * @Author: liyj * @Description: * @Date:Created in 2018/1/25 * @Modified by : */ public abstract class ProcedureSql { CompProperDataBean compProperDataBean; public ProcedureSql(CompProperDataBean compProperDataBean) { this.compProperDataBean = compProperDataBean; init(); } public CompProperDataBean getCompProperDataBean() { return compProperDataBean; } public abstract void init(); } [/code]
子类:
[code lang=”java”]
package com.taiji.tr.bean;
import com.taiji.tr.errorlog.MyLogger;
/**
* @Author: liyj
* @Description: <p/>
* @Date:Created in 2018/1/31
* @Modified by :
*/
public class HiveProcedureSql extends ProcedureSql {
public String tempSqlStr;
public String getTempSqlStr() {
return tempSqlStr;
}
public void setTempSqlStr(String tempSqlStr) {
this.tempSqlStr = tempSqlStr;
}
public HiveProcedureSql(CompProperDataBean compProperDataBean) {
super(compProperDataBean);
}
@Override
public void init() {
//判断是否需要创建分区
if (compProperDataBean.isPartition()) {//创建分区
setTempSqlStr("’ INTO table " + compProperDataBean.getTable_name() + " PARTITION (");
} else {
setTempSqlStr("’ into table " + compProperDataBean.getTable_name());
}
MyLogger.info("sql语句", compProperDataBean.getIdentify(), tempSqlStr);
}
}
[/code]
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