org.apache.shardingsphere.mode.persist

接口 PersistRepository

所有超级接口:

org.apache.shardingsphere.infra.util.spi.type.typed.TypedSPI

public interface PersistRepository
extends org.apache.shardingsphere.infra.util.spi.type.typed.TypedSPI

Persist repository.

字段概要

字段

限定符和类型	字段和说明
static String	PATH_SEPARATOR Path separator.

方法概要

限定符和类型	方法和说明
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.
String	getDirectly(String key) Get value from registry center directly.
boolean	isExisted(String key) Judge node is exist or not.
void	persist(String key, String value) Persist data.
void	update(String key, String value) Update data.

从接口继承的方法 org.apache.shardingsphere.infra.util.spi.type.typed.TypedSPI

getType, getTypeAliases

字段详细资料

PATH_SEPARATOR

static final String PATH_SEPARATOR

Path separator.

另请参阅:

常量字段值

方法详细资料

get

String get(String key)

Get data from registry center.

Maybe use cache if existed.

参数:

key - key of data

返回:

value of data

getDirectly

String getDirectly(String key)

Get value from registry center directly.

参数:

key - key

返回:

value

getChildrenKeys

List<String> getChildrenKeys(String key)

Get names of sub-node.

参数:

key - key of data

返回:

sub-node names

isExisted

boolean isExisted(String key)

Judge node is exist or not.

参数:

key - key

返回:

node is exist or not

persist

void persist(String key,
             String value)

Persist data.

参数:

key - key of data

value - value of data

update

void update(String key,
            String value)

Update data.

参数:

key - key

value - value

delete

void delete(String key)

Delete node.

参数:

key - key of data

close

void close()

Close.