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

接口 SchemaBasedPersistService<T>

类型参数:

T - type of configuration

所有已知实现类:

DataSourcePersistService, SchemaRulePersistService

public interface SchemaBasedPersistService<T>

Schema based persist service.

方法概要

限定符和类型	方法和说明
default void	cache(String schemaName, T configs) Cache configurations.
boolean	isExisted(String schemaName) Judge whether schema configuration existed.
T	load(String schemaName) Load configurations.
void	persist(String schemaName, T configs) Persist configurations.
void	persist(String schemaName, T configs, boolean isOverwrite) Persist configurations.

方法详细资料

persist

void persist(String schemaName,
             T configs,
             boolean isOverwrite)

Persist configurations.

参数:

schemaName - schema name

configs - configurations

isOverwrite - is overwrite

persist

void persist(String schemaName,
             T configs)

Persist configurations.

参数:

schemaName - schema name

configs - configurations

load

T load(String schemaName)

Load configurations.

参数:

schemaName - schema name

返回:

configurations

isExisted

boolean isExisted(String schemaName)

Judge whether schema configuration existed.

参数:

schemaName - schema name

返回:

configuration existed or not

cache

default void cache(String schemaName,
                   T configs)

Cache configurations.

参数:

schemaName - schema name

configs - configurations