org.apache.shardingsphere.mode.metadata.persist.service.config.database

接口 DatabaseBasedPersistService<T>

类型参数:

T - type of configuration

所有已知实现类:

DatabaseRulePersistService, DataSourcePersistService

public interface DatabaseBasedPersistService<T>

Schema based persist service.

方法概要

限定符和类型	方法和说明
void	conditionalPersist(String databaseName, T configs) Conditional persist configurations.
boolean	isExisted(String databaseName) Judge whether schema configuration existed.
T	load(String databaseName) Load configurations.
T	load(String databaseName, String version) Load configurations based version.
void	persist(String databaseName, String version, T configs) Persist version configurations.
void	persist(String databaseName, T configs) Persist configurations.

方法详细资料

conditionalPersist

void conditionalPersist(String databaseName,
                        T configs)

Conditional persist configurations.

参数:

databaseName - database name

configs - configurations

persist

void persist(String databaseName,
             T configs)

Persist configurations.

参数:

databaseName - database name

configs - configurations

persist

void persist(String databaseName,
             String version,
             T configs)

Persist version configurations.

参数:

databaseName - database name

version - version

configs - configurations

load

T load(String databaseName)

Load configurations.

参数:

databaseName - database name

返回:

configurations

load

T load(String databaseName,
       String version)

Load configurations based version.

参数:

databaseName - database name

version - version

返回:

configurations

isExisted

boolean isExisted(String databaseName)

Judge whether schema configuration existed.

参数:

databaseName - database name

返回:

configuration existed or not