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

Interface SchemaBasedPersistService<T>

Type Parameters:

T - type of configuration

All Known Implementing Classes:

DataSourcePersistService, SchemaRulePersistService

public interface SchemaBasedPersistService<T>

Schema based persist service.

Method Summary

Modifier and Type	Method and Description
boolean	isExisted(String schemaName) Judge whether schema configuration existed.
T	load(String schemaName) Load configurations.
T	load(String schemaName, String version) Load configurations based version.
void	persist(String schemaName, String version, T configs) Persist version configurations.
void	persist(String schemaName, T configs) Persist configurations.
void	persist(String schemaName, T configs, boolean isOverwrite) Persist configurations.

Method Detail

persist

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

Persist configurations.

Parameters:

schemaName - schema name

configs - configurations

isOverwrite - is overwrite

persist

void persist(String schemaName,
             T configs)

Persist configurations.

Parameters:

schemaName - schema name

configs - configurations

persist

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

Persist version configurations.

Parameters:

schemaName - schema name

version - version

configs - configurations

load

T load(String schemaName)

Load configurations.

Parameters:

schemaName - schema name

Returns:

configurations

load

T load(String schemaName,
       String version)

Load configurations based version.

Parameters:

schemaName - schema name

version - version

Returns:

configurations

isExisted

boolean isExisted(String schemaName)

Judge whether schema configuration existed.

Parameters:

schemaName - schema name

Returns:

configuration existed or not