com.alipay.sofa.jraft

类 RouteTable

java.lang.Object

com.alipay.sofa.jraft.RouteTable

所有已实现的接口:

Describer

public class RouteTable
extends Object
implements Describer

Maintain routes to raft groups.

作者:

boyan (boyan@alibaba-inc.com) 2018-Apr-09 10:41:21 AM

嵌套类概要

从接口继承的嵌套类/接口 com.alipay.sofa.jraft.util.Describer

Describer.DefaultPrinter, Describer.Printer

方法概要

限定符和类型	方法和说明
void	describe(Describer.Printer out)
Configuration	getConfiguration(String groupId) Get the configuration by groupId, returns null when not found.
static RouteTable	getInstance()
Status	refreshConfiguration(CliClientService cliClientService, String groupId, int timeoutMs)
Status	refreshLeader(CliClientService cliClientService, String groupId, int timeoutMs) Blocking the thread until query_leader finishes.
boolean	removeGroup(String groupId) Remove the group from route table.
void	reset() Reset the states.
PeerId	selectLeader(String groupId) Get the cached leader of the group, return it when found, null otherwise.
String	toString()
boolean	updateConfiguration(String groupId, Configuration conf) Update configuration of group in route table.
boolean	updateConfiguration(String groupId, String confStr) Update configuration of group in route table.
boolean	updateLeader(String groupId, PeerId leader) Update leader info.
boolean	updateLeader(String groupId, String leaderStr) Update leader info.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

方法详细资料

getInstance

public static RouteTable getInstance()

updateConfiguration

public boolean updateConfiguration(String groupId,
                                   Configuration conf)

Update configuration of group in route table.

参数:

groupId - raft group id

conf - configuration to update

返回:

true on success

updateConfiguration

public boolean updateConfiguration(String groupId,
                                   String confStr)

Update configuration of group in route table.

参数:

groupId - raft group id

confStr - configuration string

返回:

true on success

selectLeader

public PeerId selectLeader(String groupId)

Get the cached leader of the group, return it when found, null otherwise. Make sure calls refreshLeader(CliClientService, String, int) already before invoke this method.

参数:

groupId - raft group id

返回:

peer of leader

updateLeader

public boolean updateLeader(String groupId,
                            PeerId leader)

Update leader info.

参数:

groupId - raft group id

leader - peer of leader

返回:

true on success

updateLeader

public boolean updateLeader(String groupId,
                            String leaderStr)

Update leader info.

参数:

groupId - raft group id

leaderStr - peer string of leader

返回:

true on success

getConfiguration

public Configuration getConfiguration(String groupId)

Get the configuration by groupId, returns null when not found.

参数:

groupId - raft group id

返回:

configuration of the group id

refreshLeader

public Status refreshLeader(CliClientService cliClientService,
                            String groupId,
                            int timeoutMs)
                     throws InterruptedException,
                            TimeoutException

Blocking the thread until query_leader finishes.

参数:

groupId - raft group id

timeoutMs - timeout millis

返回:

operation status

抛出:

InterruptedException

TimeoutException

refreshConfiguration

public Status refreshConfiguration(CliClientService cliClientService,
                                   String groupId,
                                   int timeoutMs)
                            throws InterruptedException,
                                   TimeoutException

抛出:

InterruptedException

TimeoutException

reset

public void reset()

Reset the states.

removeGroup

public boolean removeGroup(String groupId)

Remove the group from route table.

参数:

groupId - raft group id

返回:

true on success

toString

public String toString()

覆盖:

toString 在类中 Object

describe

public void describe(Describer.Printer out)

指定者:

describe 在接口中 Describer