org.apache.shardingsphere.mode.repository.cluster

接口 ClusterPersistRepository

所有超级接口:

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

public interface ClusterPersistRepository
extends PersistRepository

Cluster persist repository.

字段概要

从接口继承的字段 org.apache.shardingsphere.mode.persist.PersistRepository

PATH_SEPARATOR

方法概要

限定符和类型	方法和说明
void	addCacheData(String cachePath) Add data to cache.
void	evictCacheData(String cachePath) Evict data from cache.
void	executeInLeader(String key, LeaderExecutionCallback callback) Execute in leader.
int	getNumChildren(String key) Get children number.
Object	getRawCache(String cachePath) Get raw cache object of registry center.
Object	getRawClient() Get raw client for registry center client.
long	getRegistryCenterTime(String key) Get current time from registry center.
void	init(ClusterPersistRepositoryConfiguration config) Initialize registry center.
void	persistEphemeral(String key, String value) Persist ephemeral data.
void	persistExclusiveEphemeral(String key, String value) Persist exclusive ephemeral data.
boolean	tryLock(String lockKey, long timeoutMillis) Try lock.
void	unlock(String lockKey) Unlock.
void	updateInTransaction(String key, String value) Update data in transaction.
void	watch(String key, DataChangedEventListener listener, Executor executor) Watch key or path of governance server.

从接口继承的方法 org.apache.shardingsphere.mode.persist.PersistRepository

close, delete, get, getChildrenKeys, getDirectly, isExisted, persist, update

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

getType, getTypeAliases

方法详细资料

init

void init(ClusterPersistRepositoryConfiguration config)

Initialize registry center.

参数:

config - cluster persist repository configuration

getRegistryCenterTime

long getRegistryCenterTime(String key)

Get current time from registry center.

参数:

key - key

返回:

current time from registry center

getRawClient

Object getRawClient()

Get raw client for registry center client.

返回:

registry center raw client

getNumChildren

int getNumChildren(String key)

Get children number.

参数:

key - key

返回:

children number

addCacheData

void addCacheData(String cachePath)

Add data to cache.

参数:

cachePath - cache path

evictCacheData

void evictCacheData(String cachePath)

Evict data from cache.

参数:

cachePath - cache path

getRawCache

Object getRawCache(String cachePath)

Get raw cache object of registry center.

参数:

cachePath - cache path

返回:

raw cache object of registry center

executeInLeader

void executeInLeader(String key,
                     LeaderExecutionCallback callback)

Execute in leader.

参数:

key - key

callback - callback of leader

updateInTransaction

void updateInTransaction(String key,
                         String value)

Update data in transaction.

参数:

key - key

value - value

persistEphemeral

void persistEphemeral(String key,
                      String value)

Persist ephemeral data.

参数:

key - key of data

value - value of data

persistExclusiveEphemeral

void persistExclusiveEphemeral(String key,
                               String value)

Persist exclusive ephemeral data.

参数:

key - key of data

value - is persisted or not

tryLock

boolean tryLock(String lockKey,
                long timeoutMillis)

Try lock.

参数:

lockKey - lock key

timeoutMillis - timeout millis

返回:

is locked or not

unlock

void unlock(String lockKey)

Unlock.

参数:

lockKey - lock key

watch

void watch(String key,
           DataChangedEventListener listener,
           Executor executor)

Watch key or path of governance server.

参数:

key - key of data

listener - data changed event listener

executor - event notify executor