io.shardingsphere.orchestration.reg.newzk.client.action

接口 IProvider

所有已知子接口:

ITransactionProvider

所有已知实现类:

BaseProvider, TransactionProvider

public interface IProvider

Provider API.

作者:

lidongbo

方法概要

限定符和类型	方法和说明
void	create(String key, String value, org.apache.zookeeper.CreateMode createMode) Only create target node.
void	delete(String key) Only delete target node..
void	delete(String key, org.apache.zookeeper.AsyncCallback.VoidCallback callback, Object ctx) Only delete target node.
void	executeContention(LeaderElection election) Contention exec.
boolean	exists(String key) Check exist.
boolean	exists(String key, org.apache.zookeeper.Watcher watcher) Check exist.
List<String>	getChildren(String key) Get children's keys.
byte[]	getData(String key) Get string type data.
void	getData(String key, org.apache.zookeeper.AsyncCallback.DataCallback callback, Object ctx) Get string type data.
String	getDataString(String key) Get string type data.
Stack<String>	getDeletingPaths(String key) Get path nodes that needed delete.
List<String>	getNecessaryPaths(String key) Get path nodes that needed create.
String	getRealPath(String path) Get real path with root.
void	resetConnection() Reset connection.
BaseTransaction	transaction() Create zookeeper transaction.
boolean	update(String key, String value) Update.

方法详细资料

getDataString

String getDataString(String key)
              throws org.apache.zookeeper.KeeperException,
                     InterruptedException

Get string type data.

参数:

key - key

返回:

data String

抛出:

org.apache.zookeeper.KeeperException - zookeeper exception

InterruptedException - interrupted exception

getData

byte[] getData(String key)
        throws org.apache.zookeeper.KeeperException,
               InterruptedException

Get string type data.

参数:

key - key

返回:

data

抛出:

org.apache.zookeeper.KeeperException - zookeeper exception

InterruptedException - interrupted exception

getData

void getData(String key,
             org.apache.zookeeper.AsyncCallback.DataCallback callback,
             Object ctx)
      throws org.apache.zookeeper.KeeperException,
             InterruptedException

Get string type data.

参数:

key - key

callback - callback

ctx - ctx

抛出:

org.apache.zookeeper.KeeperException - zookeeper exception

InterruptedException - interrupted exception

exists

boolean exists(String key)
        throws org.apache.zookeeper.KeeperException,
               InterruptedException

Check exist.

参数:

key - key

返回:

exist

抛出:

org.apache.zookeeper.KeeperException - zookeeper exception

InterruptedException - interrupted exception

exists

boolean exists(String key,
               org.apache.zookeeper.Watcher watcher)
        throws org.apache.zookeeper.KeeperException,
               InterruptedException

Check exist.

参数:

key - key

watcher - watcher

返回:

exist

抛出:

org.apache.zookeeper.KeeperException - zookeeper exception

InterruptedException - interrupted exception

getChildren

List<String> getChildren(String key)
                  throws org.apache.zookeeper.KeeperException,
                         InterruptedException

Get children's keys.

参数:

key - key

返回:

exist

抛出:

org.apache.zookeeper.KeeperException - zookeeper exception

InterruptedException - interrupted exception

create

void create(String key,
            String value,
            org.apache.zookeeper.CreateMode createMode)
     throws org.apache.zookeeper.KeeperException,
            InterruptedException

Only create target node.

参数:

key - key

value - value

createMode - create mode

抛出:

org.apache.zookeeper.KeeperException - zookeeper exception

InterruptedException - interrupted exception

update

boolean update(String key,
               String value)
        throws org.apache.zookeeper.KeeperException,
               InterruptedException

Update.

参数:

key - key

value - value

返回:

is success

抛出:

org.apache.zookeeper.KeeperException - zookeeper exception

InterruptedException - interrupted exception

delete

void delete(String key)
     throws org.apache.zookeeper.KeeperException,
            InterruptedException

Only delete target node..

参数:

key - key

抛出:

org.apache.zookeeper.KeeperException - zookeeper exception

InterruptedException - interrupted exception

delete

void delete(String key,
            org.apache.zookeeper.AsyncCallback.VoidCallback callback,
            Object ctx)
     throws org.apache.zookeeper.KeeperException,
            InterruptedException

Only delete target node.

参数:

key - key

callback - callback

ctx - ctx

抛出:

org.apache.zookeeper.KeeperException - zookeeper exception

InterruptedException - interrupted exception

getRealPath

String getRealPath(String path)

Get real path with root.

参数:

path - path

返回:

real path

getNecessaryPaths

List<String> getNecessaryPaths(String key)

Get path nodes that needed create.

参数:

key - key

返回:

all path nodes

getDeletingPaths

Stack<String> getDeletingPaths(String key)

Get path nodes that needed delete.

参数:

key - key

返回:

all path nodes

executeContention

void executeContention(LeaderElection election)
                throws org.apache.zookeeper.KeeperException,
                       InterruptedException

Contention exec.

参数:

election - election

抛出:

org.apache.zookeeper.KeeperException - zookeeper exception

InterruptedException - InterruptedException

resetConnection

void resetConnection()

Reset connection.

transaction

BaseTransaction transaction()

Create zookeeper transaction.

返回:

zookeeper transaction