java.lang.Object
- com.alibaba.nacos.config.server.service.datasource.ExternalDataSourceServiceImpl

所有已实现的接口:: DataSourceService

public class ExternalDataSourceServiceImpl
extends java.lang.Object
implements DataSourceService

Base data source.

作者:: Nacos

嵌套类概要

嵌套类
修饰符和类型	类	说明
`(专用程序包) class`	`ExternalDataSourceServiceImpl.CheckDbHealthTask`
`(专用程序包) class`	`ExternalDataSourceServiceImpl.SelectMasterTask`

字段概要

字段
修饰符和类型	字段	说明
`private java.util.List<com.zaxxer.hikari.HikariDataSource>`	`dataSourceList`
`private static java.lang.String`	`DB_LOAD_ERROR_MSG`
`private static int`	`DB_MASTER_SELECT_THRESHOLD`
`private java.util.List<java.lang.Boolean>`	`isHealthList`
`private org.springframework.jdbc.core.JdbcTemplate`	`jt`
`private int`	`masterIndex`
`private int`	`queryTimeout`	JDBC execute timeout value, unit:second.
`private java.util.List<org.springframework.jdbc.core.JdbcTemplate>`	`testJtList`
`private org.springframework.jdbc.core.JdbcTemplate`	`testMasterJT`
`private org.springframework.jdbc.core.JdbcTemplate`	`testMasterWritableJT`
`private org.springframework.transaction.support.TransactionTemplate`	`tjt`
`private org.springframework.jdbc.datasource.DataSourceTransactionManager`	`tm`
`private static int`	`TRANSACTION_QUERY_TIMEOUT`

构造器概要

构造器
构造器说明

ExternalDataSourceServiceImpl()

方法概要

所有方法实例方法具体方法
修饰符和类型	方法	说明
`boolean`	`checkMasterWritable()`	Check master db.
`java.lang.String`	`getCurrentDbUrl()`	Get current db url.
`java.lang.String`	`getHealth()`	Get heath information.
`org.springframework.jdbc.core.JdbcTemplate`	`getJdbcTemplate()`	Get jdbc template.
`org.springframework.transaction.support.TransactionTemplate`	`getTransactionTemplate()`	Get transaction template.
`void`	`init()`	Initialize the relevant resource information.
`void`	`reload()`	Reload.

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 字段详细资料
  - queryTimeout
```
private int queryTimeout
```
    JDBC execute timeout value, unit:second.
  - TRANSACTION_QUERY_TIMEOUT
```
private static final int TRANSACTION_QUERY_TIMEOUT
```
    另请参阅:
    
    常量字段值
  - DB_MASTER_SELECT_THRESHOLD
```
private static final int DB_MASTER_SELECT_THRESHOLD
```
    另请参阅:
    
    常量字段值
  - DB_LOAD_ERROR_MSG
```
private static final java.lang.String DB_LOAD_ERROR_MSG
```
    另请参阅:
    
    常量字段值
  - dataSourceList
```
private java.util.List<com.zaxxer.hikari.HikariDataSource> dataSourceList
```
  - jt
```
private org.springframework.jdbc.core.JdbcTemplate jt
```
  - tm
```
private org.springframework.jdbc.datasource.DataSourceTransactionManager tm
```
  - tjt
```
private org.springframework.transaction.support.TransactionTemplate tjt
```
  - testMasterJT
```
private org.springframework.jdbc.core.JdbcTemplate testMasterJT
```
  - testMasterWritableJT
```
private org.springframework.jdbc.core.JdbcTemplate testMasterWritableJT
```
  - testJtList
```
private volatile java.util.List<org.springframework.jdbc.core.JdbcTemplate> testJtList
```
  - isHealthList
```
private volatile java.util.List<java.lang.Boolean> isHealthList
```
  - masterIndex
```
private volatile int masterIndex
```
- 构造器详细资料
  - ExternalDataSourceServiceImpl
```
public ExternalDataSourceServiceImpl()
```
- 方法详细资料
  - init
```
public void init()
```
    从接口复制的说明: DataSourceService
    
    Initialize the relevant resource information.
    
    指定者:
    
    init 在接口中 DataSourceService
  - reload
```
public void reload()
            throws java.io.IOException
```
    从接口复制的说明: DataSourceService
    
    Reload.
    
    指定者:
    
    reload 在接口中 DataSourceService
    
    抛出:
    
    java.io.IOException - exception.
  - checkMasterWritable
```
public boolean checkMasterWritable()
```
    从接口复制的说明: DataSourceService
    
    Check master db.
    
    指定者:
    
    checkMasterWritable 在接口中 DataSourceService
    
    返回:
    
    is master.
  - getJdbcTemplate
```
public org.springframework.jdbc.core.JdbcTemplate getJdbcTemplate()
```
    从接口复制的说明: DataSourceService
    
    Get jdbc template.
    
    指定者:
    
    getJdbcTemplate 在接口中 DataSourceService
    
    返回:
    
    JdbcTemplate.
  - getTransactionTemplate
```
public org.springframework.transaction.support.TransactionTemplate getTransactionTemplate()
```
    从接口复制的说明: DataSourceService
    
    Get transaction template.
    
    指定者:
    
    getTransactionTemplate 在接口中 DataSourceService
    
    返回:
    
    TransactionTemplate.
  - getCurrentDbUrl
```
public java.lang.String getCurrentDbUrl()
```
    从接口复制的说明: DataSourceService
    
    Get current db url.
    
    指定者:
    
    getCurrentDbUrl 在接口中 DataSourceService
    
    返回:
    
    database url
  - getHealth
```
public java.lang.String getHealth()
```
    从接口复制的说明: DataSourceService
    
    Get heath information.
    
    指定者:
    
    getHealth 在接口中 DataSourceService
    
    返回:
    
    heath info.

类 ExternalDataSourceServiceImpl

嵌套类概要

字段概要

构造器概要

方法概要

从类继承的方法 java.lang.Object

字段详细资料

queryTimeout

TRANSACTION_QUERY_TIMEOUT

DB_MASTER_SELECT_THRESHOLD

DB_LOAD_ERROR_MSG

dataSourceList

jt

tm

tjt

testMasterJT

testMasterWritableJT

testJtList

isHealthList

masterIndex

构造器详细资料

ExternalDataSourceServiceImpl

方法详细资料

init

reload

checkMasterWritable

getJdbcTemplate

getTransactionTemplate

getCurrentDbUrl

getHealth