org.apache.shardingsphere.mode.persist

Interface PersistRepository

All Superinterfaces:

org.apache.shardingsphere.spi.typed.TypedSPI

public interface PersistRepository
extends org.apache.shardingsphere.spi.typed.TypedSPI

Persist repository.

Field Summary

Fields

Modifier and Type	Field and Description
static String	PATH_SEPARATOR Path separator.

Method Summary

Modifier and Type	Method and Description
void	close() Close.
void	delete(String key) Delete node.
String	get(String key) Get data from registry center.
List<String>	getChildrenKeys(String key) Get names of sub-node.
void	persist(String key, String value) Persist data.

Methods inherited from interface org.apache.shardingsphere.spi.typed.TypedSPI

getProps, getType, getTypeAliases, setProps

Field Detail

PATH_SEPARATOR

static final String PATH_SEPARATOR

Path separator.

See Also:

Constant Field Values

Method Detail

get

String get(String key)

Get data from registry center.

Maybe use cache if existed.

Parameters:

key - key of data

Returns:

value of data

getChildrenKeys

List<String> getChildrenKeys(String key)

Get names of sub-node.

Parameters:

key - key of data

Returns:

sub-node names

persist

void persist(String key,
             String value)

Persist data.

Parameters:

key - key of data

value - value of data

delete

void delete(String key)

Delete node.

Parameters:

key - key of data

close

void close()

Close.