java.lang.Object
- org.springframework.boot.actuate.health.AbstractHealthIndicator
- - org.springframework.boot.actuate.jdbc.DataSourceHealthIndicator

所有已实现的接口:
org.springframework.beans.factory.InitializingBean, HealthIndicator
```
public class DataSourceHealthIndicator
extends AbstractHealthIndicator
implements org.springframework.beans.factory.InitializingBean
```
HealthIndicator that tests the status of a DataSource and optionally runs a test query.
从以下版本开始:
2.0.0

构造器概要

构造器
构造器	说明
`DataSourceHealthIndicator()`	Create a new `DataSourceHealthIndicator` instance.
`DataSourceHealthIndicator(DataSource dataSource)`	Create a new `DataSourceHealthIndicator` using the specified `DataSource`.
`DataSourceHealthIndicator(DataSource dataSource, String query)`	Create a new `DataSourceHealthIndicator` using the specified `DataSource` and validation query.

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
`void`	`afterPropertiesSet()`
`protected void`	`doHealthCheck(Health.Builder builder)`	Actual health check logic.
`String`	`getQuery()`	Return the validation query or `null`.
`protected String`	`getValidationQuery(String product)`
`void`	`setDataSource(DataSource dataSource)`	Set the `DataSource` to use.
`void`	`setQuery(String query)`	Set a specific validation query to use to validate a connection.

从类继承的方法 org.springframework.boot.actuate.health.AbstractHealthIndicator
health

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

- 构造器详细资料
  - DataSourceHealthIndicator
```
public DataSourceHealthIndicator()
```
    Create a new DataSourceHealthIndicator instance.
  - DataSourceHealthIndicator
```
public DataSourceHealthIndicator(DataSource dataSource)
```
    Create a new DataSourceHealthIndicator using the specified DataSource.
    参数:
    dataSource - the data source
  - DataSourceHealthIndicator
```
public DataSourceHealthIndicator(DataSource dataSource,
                                 String query)
```
    Create a new DataSourceHealthIndicator using the specified DataSource and validation query.
    参数:
    dataSource - the data source
    query - the validation query to use (can be null)
- 方法详细资料
  - afterPropertiesSet
```
public void afterPropertiesSet()
                        throws Exception
```
    指定者:
    afterPropertiesSet 在接口中 org.springframework.beans.factory.InitializingBean
    抛出:
    Exception
  - doHealthCheck
```
protected void doHealthCheck(Health.Builder builder)
                      throws Exception
```
    从类复制的说明: AbstractHealthIndicator
    Actual health check logic.
    指定者:
    doHealthCheck 在类中 AbstractHealthIndicator
    参数:
    builder - the Health.Builder to report health status and details
    抛出:
    Exception - any Exception that should create a Status.DOWN system status.
  - getValidationQuery
```
protected String getValidationQuery(String product)
```
  - setDataSource
```
public void setDataSource(DataSource dataSource)
```
    Set the DataSource to use.
    参数:
    dataSource - the data source
  - setQuery
```
public void setQuery(String query)
```
    Set a specific validation query to use to validate a connection. If none is set, a default validation query is used.
    参数:
    query - the query
  - getQuery
```
public String getQuery()
```
    Return the validation query or null.
    返回:
    the query

类 DataSourceHealthIndicator

构造器概要

方法概要

从类继承的方法 org.springframework.boot.actuate.health.AbstractHealthIndicator

从类继承的方法 java.lang.Object

构造器详细资料

DataSourceHealthIndicator

DataSourceHealthIndicator

DataSourceHealthIndicator

方法详细资料

afterPropertiesSet

doHealthCheck

getValidationQuery

setDataSource

setQuery

getQuery