org.apache.shardingsphere.orchestration.center

接口 CenterRepository

所有超级接口:

org.apache.shardingsphere.spi.TypeBasedSPI

所有已知子接口:

ConfigCenterRepository, RegistryCenterRepository

public interface CenterRepository
extends org.apache.shardingsphere.spi.TypeBasedSPI

An interface for center to get/persist data.

方法概要

限定符和类型	方法和说明
void	close() Close.
String	get(String key) Get data from config center.
List<String>	getChildrenKeys(String key) Get node's sub-nodes list.
void	init(CenterConfiguration config) Initialize config center.
void	persist(String key, String value) Persist data.
void	watch(String key, DataChangedEventListener dataChangedEventListener) Watch key or path of the config server.

从接口继承的方法 org.apache.shardingsphere.spi.TypeBasedSPI

getProperties, getType, setProperties

方法详细资料

init

void init(CenterConfiguration config)

Initialize config center.

参数:

config - config center configuration

get

String get(String key)

Get data from config center.

Maybe use cache if existed.

参数:

key - key of data

返回:

value of data

persist

void persist(String key,
             String value)

Persist data.

参数:

key - key of data

value - value of data

close

void close()

Close.

getChildrenKeys

List<String> getChildrenKeys(String key)

Get node's sub-nodes list.

参数:

key - key of data

返回:

sub-nodes name list

watch

void watch(String key,
           DataChangedEventListener dataChangedEventListener)

Watch key or path of the config server.

参数:

key - key of data

dataChangedEventListener - data changed event listener