本文整理汇总了Java中com.alibaba.druid.pool.DruidDataSource.setValidationQuery方法的典型用法代码示例。如果您正苦于以下问题：Java DruidDataSource.setValidationQuery方法的具体用法？Java DruidDataSource.setValidationQuery怎么用？Java DruidDataSource.setValidationQuery使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.alibaba.druid.pool.DruidDataSource的用法示例。
在下文中一共展示了DruidDataSource.setValidationQuery方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: mafMasterDataSource
import com.alibaba.druid.pool.DruidDataSource; //导入方法依赖的package包/类
@Bean(name = ConfigConstant.NAME_DS_MASTER)
@Primary
@ConfigurationProperties(prefix = ConfigConstant.PREFIX_DS_MASTER)
public DataSource mafMasterDataSource() {
logger.info("----- MAFIA master data source INIT -----");
DruidDataSource ds = new DruidDataSource();
try {
ds.setFilters(env.getProperty("ds.filters"));
} catch (SQLException e) {
logger.warn("Data source set filters ERROR:", e);
}
ds.setMaxActive(NumberUtils.toInt(env.getProperty("ds.maxActive"), 90));
ds.setInitialSize(NumberUtils.toInt(env.getProperty("ds.initialSize"), 10));
ds.setMaxWait(NumberUtils.toInt(env.getProperty("ds.maxWait"), 60000));
ds.setMinIdle(NumberUtils.toInt(env.getProperty("ds.minIdle"), 1));
ds.setTimeBetweenEvictionRunsMillis(NumberUtils.toInt(env.getProperty("ds.timeBetweenEvictionRunsMillis"), 60000));
ds.setMinEvictableIdleTimeMillis(NumberUtils.toInt(env.getProperty("ds.minEvictableIdleTimeMillis"), 300000));
ds.setValidationQuery(env.getProperty("ds.validationQuery"));
ds.setTestWhileIdle(BooleanUtils.toBoolean(env.getProperty("ds.testWhileIdle")));
ds.setTestOnBorrow(BooleanUtils.toBoolean(env.getProperty("ds.testOnBorrow")));
ds.setTestOnReturn(BooleanUtils.toBoolean(env.getProperty("ds.testOnReturn")));
ds.setPoolPreparedStatements(BooleanUtils.toBoolean(env.getProperty("ds.poolPreparedStatements")));
ds.setMaxOpenPreparedStatements(NumberUtils.toInt(env.getProperty("ds.maxOpenPreparedStatements"), 20));
return ds;
}
示例2: logDataSource
import com.alibaba.druid.pool.DruidDataSource; //导入方法依赖的package包/类
@Bean(initMethod = "init", destroyMethod = "close")
public DruidDataSource logDataSource() throws SQLException, DESException {
DruidDataSource druidDataSource = new DruidDataSource();
druidDataSource.setDriverClassName(dbConfigProperties.getDriveClass());
druidDataSource.setUrl(dbConfigProperties.getLogUrl());
druidDataSource.setUsername(dbConfigProperties.getLogUsername());
druidDataSource.setPassword(dbConfigProperties.getLogPassword());
druidDataSource.setInitialSize(dbConfigProperties.getInitialSize());
druidDataSource.setMinIdle(dbConfigProperties.getMinIdle());
druidDataSource.setMaxActive(dbConfigProperties.getMaxActive());
druidDataSource.setMaxWait(dbConfigProperties.getMaxWait());
druidDataSource.setTimeBetweenEvictionRunsMillis(dbConfigProperties.getTimeBetweenEvictionRunsMillis());
druidDataSource.setMinEvictableIdleTimeMillis(dbConfigProperties.getMinEvictableIdleTimeMillis());
druidDataSource.setValidationQuery(dbConfigProperties.getValidationQuery());
druidDataSource.setTestWhileIdle(dbConfigProperties.getTestWhileIdle());
druidDataSource.setTestOnBorrow(dbConfigProperties.getTestOnBorrow());
druidDataSource.setTestOnReturn(dbConfigProperties.getTestOnReturn());
druidDataSource.setPoolPreparedStatements(dbConfigProperties.getPoolPreparedStatements());
druidDataSource.setMaxPoolPreparedStatementPerConnectionSize(dbConfigProperties.getMaxPoolPreparedStatementPerConnectionSize());
druidDataSource.setFilters(dbConfigProperties.getFilters());
return druidDataSource;
}
示例3: userDataSource
import com.alibaba.druid.pool.DruidDataSource; //导入方法依赖的package包/类
/**
* 使用@Primary注解主数据源
*/
@Bean(name = "userDataSource")
@Primary
public DataSource userDataSource() {
DruidDataSource dataSource = new DruidDataSource();
dataSource.setDriverClassName(driverClass);
dataSource.setUrl(url);
dataSource.setUsername(user);
dataSource.setPassword(password);
//configuration
dataSource.setInitialSize(initialSize);
dataSource.setMinIdle(minIdle);
dataSource.setMaxActive(maxActive);
dataSource.setMaxWait(maxWait);
dataSource.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis);
dataSource.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis);
dataSource.setValidationQuery(validationQuery);
dataSource.setTestWhileIdle(testWhileIdle);
dataSource.setTestOnBorrow(testOnBorrow);
dataSource.setTestOnReturn(testOnReturn);
dataSource.setPoolPreparedStatements(poolPreparedStatements);
dataSource.setMaxPoolPreparedStatementPerConnectionSize(maxPoolPreparedStatementPerConnectionSize);
return dataSource;
}
示例4: studentDataSource
import com.alibaba.druid.pool.DruidDataSource; //导入方法依赖的package包/类
@Bean(name = "studentDataSource")
public DataSource studentDataSource() {
DruidDataSource dataSource = new DruidDataSource();
dataSource.setUrl(studentUrl);
dataSource.setUsername(studentUser);
dataSource.setPassword(studentPassword);
dataSource.setDriverClassName(studentDriverClass);
//configuration
dataSource.setInitialSize(initialSize);
dataSource.setMinIdle(minIdle);
dataSource.setMaxActive(maxActive);
dataSource.setMaxWait(maxWait);
dataSource.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis);
dataSource.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis);
dataSource.setValidationQuery(validationQuery);
dataSource.setTestWhileIdle(testWhileIdle);
dataSource.setTestOnBorrow(testOnBorrow);
dataSource.setTestOnReturn(testOnReturn);
dataSource.setPoolPreparedStatements(poolPreparedStatements);
dataSource.setMaxPoolPreparedStatementPerConnectionSize(maxPoolPreparedStatementPerConnectionSize);
return dataSource;
}
示例5: init
import com.alibaba.druid.pool.DruidDataSource; //导入方法依赖的package包/类
/**
* 初始化操作
*
* @param modelName 模块名称
* @param txConfig 配置信息
*/
@Override
public void init(String modelName, TccConfig txConfig) {
dataSource = new DruidDataSource();
final TccDbConfig tccDbConfig = txConfig.getTccDbConfig();
dataSource.setUrl(tccDbConfig.getUrl());
dataSource.setDriverClassName(tccDbConfig.getDriverClassName());
dataSource.setUsername(tccDbConfig.getUsername());
dataSource.setPassword(tccDbConfig.getPassword());
dataSource.setInitialSize(tccDbConfig.getInitialSize());
dataSource.setMaxActive(tccDbConfig.getMaxActive());
dataSource.setMinIdle(tccDbConfig.getMinIdle());
dataSource.setMaxWait(tccDbConfig.getMaxWait());
dataSource.setValidationQuery(tccDbConfig.getValidationQuery());
dataSource.setTestOnBorrow(tccDbConfig.getTestOnBorrow());
dataSource.setTestOnReturn(tccDbConfig.getTestOnReturn());
dataSource.setTestWhileIdle(tccDbConfig.getTestWhileIdle());
dataSource.setPoolPreparedStatements(tccDbConfig.getPoolPreparedStatements());
dataSource.setMaxPoolPreparedStatementPerConnectionSize(tccDbConfig.getMaxPoolPreparedStatementPerConnectionSize());
this.tableName = RepositoryPathUtils.buildDbTableName(modelName);
executeUpdate(SqlHelper.buildCreateTableSql(tccDbConfig.getDriverClassName(), tableName));
}
示例6: createDataSource
import com.alibaba.druid.pool.DruidDataSource; //导入方法依赖的package包/类
protected DataSource createDataSource() throws SQLException {
// special
DruidDataSource datasource = new DruidDataSource();
datasource.setUrl(commonProperties.getUrl());
datasource.setUsername(commonProperties.getUsername());
datasource.setPassword(commonProperties.getPassword());
// common
datasource.setDriverClassName(commonProperties.getDriverClassName());
datasource.setInitialSize(commonProperties.getInitialSize());
datasource.setMinIdle(commonProperties.getMinIdle());
datasource.setMaxActive(commonProperties.getMaxActive());
datasource.setMaxWait(commonProperties.getMaxWait());
datasource
.setTimeBetweenEvictionRunsMillis(commonProperties.getTimeBetweenEvictionRunsMillis());
datasource.setMinEvictableIdleTimeMillis(commonProperties.getMinEvictableIdleTimeMillis());
datasource.setValidationQuery(commonProperties.getValidationQuery());
datasource.setTestWhileIdle(commonProperties.isTestWhileIdle());
datasource.setTestOnBorrow(commonProperties.isTestOnBorrow());
datasource.setTestOnReturn(commonProperties.isTestOnReturn());
datasource.setPoolPreparedStatements(commonProperties.isPoolPreparedStatements());
datasource.setMaxPoolPreparedStatementPerConnectionSize(
commonProperties.getMaxPoolPreparedStatementPerConnectionSize());
datasource.setFilters(commonProperties.getFilters());
datasource.setConnectionProperties(commonProperties.getConnectionProperties());
return datasource;
}
示例7: dataSource
import com.alibaba.druid.pool.DruidDataSource; //导入方法依赖的package包/类
@Bean //声明其为Bean实例
@Primary //在同样的DataSource中，首先使用被标注的DataSource
public DataSource dataSource() {
DruidDataSource datasource = new DruidDataSource();
datasource.setUrl(this.dbUrl);
datasource.setUsername(username);
datasource.setPassword(password);
datasource.setDriverClassName(driverClassName);
//configuration
datasource.setInitialSize(initialSize);
datasource.setMinIdle(minIdle);
datasource.setMaxActive(maxActive);
datasource.setMaxWait(maxWait);
datasource.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis);
datasource.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis);
datasource.setValidationQuery(validationQuery);
datasource.setTestWhileIdle(testWhileIdle);
datasource.setTestOnBorrow(testOnBorrow);
datasource.setTestOnReturn(testOnReturn);
datasource.setPoolPreparedStatements(poolPreparedStatements);
datasource.setMaxPoolPreparedStatementPerConnectionSize(maxPoolPreparedStatementPerConnectionSize);
try {
datasource.setFilters(filters);
} catch (SQLException e) {
logger.error("druid configuration initialization filter", e);
}
datasource.setConnectionProperties(connectionProperties);
return datasource;
}
示例8: dataSource
import com.alibaba.druid.pool.DruidDataSource; //导入方法依赖的package包/类
@Bean(initMethod="init",destroyMethod="close")
public DataSource dataSource(){
DruidDataSource ds = new DruidDataSource();
ds.setUrl(config.getUrl());
ds.setUsername(config.getUsername());
ds.setPassword(config.getPassword());
ds.setInitialSize(ds.getInitialSize());
ds.setMinIdle(config.getMinIdle());
ds.setMaxActive(config.getMaxActive());
ds.setMaxWait(config.getMaxWait());
ds.setTimeBetweenEvictionRunsMillis(config.getTimeBetweenEvictionRunsMillis()); // 关闭检测间隔 毫秒
ds.setMinEvictableIdleTimeMillis(config.getMinEvictableIdleTimeMillis()); // 一个连接的最小生存时间
ds.setValidationQuery("SELECT 'x'");
ds.setTestWhileIdle(config.isTestWhileIdle());
ds.setTestOnBorrow(config.isTestOnBorrow());
ds.setTestOnReturn(config.isTestOnReturn());
ds.setPoolPreparedStatements(config.isPoolPreparedStatements());
ds.setMaxPoolPreparedStatementPerConnectionSize(config.getMaxPoolPreparedStatementPerConnectionSize());
ds.setRemoveAbandoned(config.isRemoveAbandoned());
ds.setRemoveAbandonedTimeout(config.getRemoveAbandonedTimeout());
ds.setLogAbandoned(config.isLogAbandoned());
ds.setTimeBetweenLogStatsMillis(config.getTimeBetweenLogStatsMillis());
ds.setPhyTimeoutMillis(config.getPhyTimeoutMillis());
ds.setMaxEvictableIdleTimeMillis(config.getMaxEvictableIdleTimeMillis());
ds.setDbType("mysql");
try {
ds.setFilters("stat,slf4j");
} catch (SQLException e) {
e.printStackTrace();
}
return ds ;
}
示例9: dataSource
import com.alibaba.druid.pool.DruidDataSource; //导入方法依赖的package包/类
@Bean(initMethod = "init", destroyMethod = "close")
public DruidDataSource dataSource() throws SQLException {
if (StringUtils.isEmpty(propertyResolver.getProperty("url"))) {
System.out.println("Your database connection pool configuration is incorrect!"
+ " Please check your Spring profile, current profiles are:"
+ Arrays.toString(environment.getActiveProfiles()));
throw new ApplicationContextException(
"Database connection pool is not configured correctly");
}
DruidDataSource druidDataSource = new DruidDataSource();
druidDataSource.setDriverClassName(propertyResolver.getProperty("driver-class-name"));
druidDataSource.setUrl(propertyResolver.getProperty("url"));
druidDataSource.setUsername(propertyResolver.getProperty("username"));
druidDataSource.setPassword(propertyResolver.getProperty("password"));
druidDataSource.setInitialSize(Integer.parseInt(propertyResolver.getProperty("initialSize")));
druidDataSource.setMinIdle(Integer.parseInt(propertyResolver.getProperty("minIdle")));
druidDataSource.setMaxActive(Integer.parseInt(propertyResolver.getProperty("maxActive")));
druidDataSource.setMaxWait(Integer.parseInt(propertyResolver.getProperty("maxWait")));
druidDataSource.setTimeBetweenEvictionRunsMillis(Long.parseLong(propertyResolver.getProperty("timeBetweenEvictionRunsMillis")));
druidDataSource.setMinEvictableIdleTimeMillis(Long.parseLong(propertyResolver.getProperty("minEvictableIdleTimeMillis")));
druidDataSource.setValidationQuery(propertyResolver.getProperty("validationQuery"));
druidDataSource.setTestWhileIdle(Boolean.parseBoolean(propertyResolver.getProperty("testWhileIdle")));
druidDataSource.setTestOnBorrow(Boolean.parseBoolean(propertyResolver.getProperty("testOnBorrow")));
druidDataSource.setTestOnReturn(Boolean.parseBoolean(propertyResolver.getProperty("testOnReturn")));
druidDataSource.setPoolPreparedStatements(Boolean.parseBoolean(propertyResolver.getProperty("poolPreparedStatements")));
druidDataSource.setMaxPoolPreparedStatementPerConnectionSize(Integer.parseInt(propertyResolver.getProperty("maxPoolPreparedStatementPerConnectionSize")));
druidDataSource.setFilters(propertyResolver.getProperty("filters"));
return druidDataSource;
}
示例10: clusterDataSource
import com.alibaba.druid.pool.DruidDataSource; //导入方法依赖的package包/类
@Bean(name = "clusterDataSource")
public DataSource clusterDataSource() {
DruidDataSource dataSource = new DruidDataSource();
dataSource.setName("cluster");
dataSource.setDriverClassName(driverClass);
dataSource.setUrl(url);
dataSource.setUsername(user);
dataSource.setPassword(password);
// 配置初始化大小、最小、最大
dataSource.setInitialSize(0);
dataSource.setMinIdle(0);
dataSource.setMaxActive(10);
// 配置获取连接等待超时的时间
dataSource.setMaxWait(15000);
// 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒
dataSource.setTimeBetweenEvictionRunsMillis(60000);
// 配置一个连接在池中最小生存的时间，一个小时
dataSource.setMinEvictableIdleTimeMillis(3600000);
dataSource.setTestWhileIdle(true);
// 这里建议配置为TRUE，防止取到的连接不可用
dataSource.setTestOnBorrow(true);
dataSource.setTestOnReturn(false);
// 这里配置提交方式，默认就是TRUE，可以不用配置
dataSource.setDefaultAutoCommit(true);
// 验证连接有效与否的SQL，不同的数据配置不同
dataSource.setValidationQuery("SELECT 1");
return dataSource;
}
开发者ID:zheng-zy，项目名称:springboot-mybatis-druid-mutil-datasource，代码行数:29，代码来源:ClusterDataSourceConfig.java
示例11: masterDataSource
import com.alibaba.druid.pool.DruidDataSource; //导入方法依赖的package包/类
@Bean(name = "masterDataSource")
@Primary
public DataSource masterDataSource() {
DruidDataSource dataSource = new DruidDataSource();
dataSource.setName("master");
dataSource.setDriverClassName(driverClass);
dataSource.setUrl(url);
dataSource.setUsername(user);
dataSource.setPassword(password);
// 配置初始化大小、最小、最大
dataSource.setInitialSize(0);
dataSource.setMinIdle(0);
dataSource.setMaxActive(10);
// 配置获取连接等待超时的时间
dataSource.setMaxWait(15000);
// 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒
dataSource.setTimeBetweenEvictionRunsMillis(60000);
// 配置一个连接在池中最小生存的时间，一个小时
dataSource.setMinEvictableIdleTimeMillis(3600000);
dataSource.setTestWhileIdle(true);
// 这里建议配置为TRUE，防止取到的连接不可用
dataSource.setTestOnBorrow(true);
dataSource.setTestOnReturn(false);
// 这里配置提交方式，默认就是TRUE，可以不用配置
dataSource.setDefaultAutoCommit(true);
// 验证连接有效与否的SQL，不同的数据配置不同
dataSource.setValidationQuery("SELECT 1");
return dataSource;
}
开发者ID:zheng-zy，项目名称:springboot-mybatis-druid-mutil-datasource，代码行数:30，代码来源:MasterDataSourceConfig.java
示例12: dataSource
import com.alibaba.druid.pool.DruidDataSource; //导入方法依赖的package包/类
@Bean //声明其为Bean实例
public DataSource dataSource(){
DruidDataSource datasource = new DruidDataSource();
datasource.setUrl(dbUrl);
datasource.setUsername(username);
datasource.setPassword(password);
datasource.setDriverClassName(driverClassName);
//configuration
datasource.setInitialSize(initialSize);
datasource.setMinIdle(minIdle);
datasource.setMaxActive(maxActive);
datasource.setMaxWait(maxWait);
datasource.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis);
datasource.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis);
datasource.setValidationQuery(validationQuery);
datasource.setTestWhileIdle(testWhileIdle);
datasource.setTestOnBorrow(testOnBorrow);
datasource.setTestOnReturn(testOnReturn);
datasource.setPoolPreparedStatements(poolPreparedStatements);
datasource.setMaxPoolPreparedStatementPerConnectionSize(maxPoolPreparedStatementPerConnectionSize);
datasource.setUseGlobalDataSourceStat(useGlobalDataSourceStat);
try {
datasource.setFilters(filters);
} catch (SQLException e) {
System.err.println("druid configuration initialization filter: "+ e);
}
datasource.setConnectionProperties(connectionProperties);
return datasource;
}
示例13: dataSource
import com.alibaba.druid.pool.DruidDataSource; //导入方法依赖的package包/类
@Bean //声明其为Bean实例
@Primary //在同样的DataSource中，首先使用被标注的DataSource
public DataSource dataSource() {
DruidDataSource datasource = new DruidDataSource();
datasource.setUrl(url);
datasource.setUsername(username);
datasource.setPassword(password);
datasource.setDriverClassName(driverClassName);
//configuration
datasource.setInitialSize(initialSize);
datasource.setMinIdle(minIdle);
datasource.setMaxActive(maxActive);
datasource.setMaxWait(maxWait);
datasource.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis);
datasource.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis);
datasource.setValidationQuery(validationQuery);
datasource.setTestWhileIdle(testWhileIdle);
datasource.setTestOnBorrow(testOnBorrow);
datasource.setTestOnReturn(testOnReturn);
datasource.setPoolPreparedStatements(poolPreparedStatements);
datasource.setMaxPoolPreparedStatementPerConnectionSize(maxPoolPreparedStatementPerConnectionSize);
try {
datasource.setFilters(filters);
} catch (SQLException e) {
logger.error("druid configuration initialization filter: {}",e);
}
datasource.setConnectionProperties(connectionProperties);
return datasource;
}
示例14: dataSource
import com.alibaba.druid.pool.DruidDataSource; //导入方法依赖的package包/类
@Bean
@Primary
public DataSource dataSource() {
DruidDataSource datasource = new DruidDataSource();
datasource.setUrl(this.dbUrl);
datasource.setUsername(username);
datasource.setPassword(password);
datasource.setDriverClassName(driverClassName);
// configuration
datasource.setInitialSize(initialSize);
datasource.setMinIdle(minIdle);
datasource.setMaxActive(maxActive);
datasource.setMaxWait(maxWait);
datasource.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis);
datasource.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis);
datasource.setValidationQuery(validationQuery);
datasource.setTestWhileIdle(testWhileIdle);
datasource.setTestOnBorrow(testOnBorrow);
datasource.setTestOnReturn(testOnReturn);
datasource.setPoolPreparedStatements(poolPreparedStatements);
datasource
.setMaxPoolPreparedStatementPerConnectionSize(maxPoolPreparedStatementPerConnectionSize);
try {
datasource.setFilters(filters);
} catch (SQLException e) {
logger.error("druid configuration initialization filter", e);
}
datasource.setConnectionProperties(connectionProperties);
return datasource;
}
示例15: init
import com.alibaba.druid.pool.DruidDataSource; //导入方法依赖的package包/类
public void init() throws Exception{
System.out.println("**************init");
MicroMetaDao dao=MicroMetaDao.getInstance();
String sql="select * from nh_micro_dbconf";
List<Map<String,Object>> infoList=dao.queryObjJoinByCondition(sql);
for(Map<String,Object> row:infoList){
String metaKey=(String) row.get("meta_key");
String dataSourceClassName=(String) row.get("datasource_classname");
String dbUser=(String) row.get("db_user");
String dbPassWord=(String) row.get("db_password");
if(dbPassWord.startsWith("nhjm-")){
String temp=dbPassWord.substring(5);
dbPassWord=DESUtil.decrypt(temp);
}
String dbUrl=(String) row.get("db_url");
DruidDataSource ds=new DruidDataSource();
ds.setUsername(dbUser);
ds.setPassword(dbPassWord);
ds.setUrl(dbUrl);
ds.setFilters("stat");
ds.setMaxActive(10);
ds.setInitialSize(1);
ds.setMaxWait(60000);
ds.setMinIdle(1);
ds.setTimeBetweenEvictionRunsMillis(60000);
ds.setMinEvictableIdleTimeMillis(60000);
ds.setValidationQuery("SELECT 'x'");
ds.setTestWhileIdle(true);
ds.setTestOnBorrow(false);
ds.setTestOnReturn(false);
ds.setPoolPreparedStatements(true);
ds.setMaxPoolPreparedStatementPerConnectionSize(10);
ds.setDriverClassName(dataSourceClassName);
ds.init();
JdbcTemplate jdbcTemplate=new JdbcTemplate();
jdbcTemplate.setDataSource(ds);
MicroDbHolder.getDbHolder().put(metaKey, jdbcTemplate);
}
}