Commit d5f7c354 authored by yajun.zhang's avatar yajun.zhang

优化

parent 25a28eb7
......@@ -2,6 +2,8 @@ package cn.quantgroup.customer.config.data;
import cn.hutool.log.Log;
import javax.annotation.Resource;
import javax.persistence.EntityManager;
import javax.persistence.Query;
import javax.sql.DataSource;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
......@@ -14,19 +16,25 @@ import org.springframework.stereotype.Component;
@Component
public class DatabaseConnectionKeeper {
private final JdbcTemplate jdbcTemplate;
// private final JdbcTemplate jdbcTemplate;
private EntityManager entityManager;
// @Autowired
// public DatabaseConnectionKeeper(@Qualifier("secondaryDataSource") DataSource secondaryDataSource) {
// this.jdbcTemplate = new JdbcTemplate(secondaryDataSource);
// }
@Autowired
public DatabaseConnectionKeeper(@Qualifier("secondaryDataSource") DataSource secondaryDataSource) {
this.jdbcTemplate = new JdbcTemplate(secondaryDataSource);
public DatabaseConnectionKeeper(@Qualifier("entityManagerSecondary") EntityManager entityManager) {
this.entityManager = entityManager;
}
// 每小时执行一次查询操作,保持数据库连接活跃
@Scheduled(fixedDelay = 60000) // 每小时执行一次
public void keepDatabaseConnectionAlive() {
log.info("数据库定时任务执行");
try {
jdbcTemplate.execute("SELECT 1"); // 执行一个简单的查询操作
Query countQuery = entityManager.createNativeQuery("SELECT 1");
Object count = countQuery.getSingleResult();
log.info("查询结果:{}",count);
// jdbcTemplate.execute("SELECT 1"); // 执行一个简单的查询操作
} catch (Exception ex) {
// 处理异常
log.error("数据库定时任务执行异常",ex);
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment