org.apache.ratis.statemachine.impl

类 BaseStateMachine

java.lang.Object

org.apache.ratis.statemachine.impl.BaseStateMachine

所有已实现的接口:

Closeable, AutoCloseable, StateMachine, StateMachine.DataApi, StateMachine.EventApi, StateMachine.FollowerEventApi, StateMachine.LeaderEventApi

public class BaseStateMachine
extends Object
implements StateMachine, StateMachine.DataApi, StateMachine.EventApi, StateMachine.LeaderEventApi, StateMachine.FollowerEventApi

Base implementation for StateMachines.

嵌套类概要

嵌套类

限定符和类型	类和说明
protected static interface	BaseStateMachine.Task

从接口继承的嵌套类/接口 org.apache.ratis.statemachine.StateMachine

StateMachine.DataApi, StateMachine.DataChannel, StateMachine.DataStream, StateMachine.EventApi, StateMachine.FollowerEventApi, StateMachine.LeaderEventApi, StateMachine.Registry

字段概要

从接口继承的字段 org.apache.ratis.statemachine.StateMachine

LOG

从接口继承的字段 org.apache.ratis.statemachine.StateMachine.DataApi

DEFAULT

从接口继承的字段 org.apache.ratis.statemachine.StateMachine.EventApi

DEFAULT

从接口继承的字段 org.apache.ratis.statemachine.StateMachine.LeaderEventApi

DEFAULT

从接口继承的字段 org.apache.ratis.statemachine.StateMachine.FollowerEventApi

DEFAULT

构造器概要

构造器

构造器和说明
BaseStateMachine()

方法概要

限定符和类型	方法和说明
CompletableFuture<Message>	applyTransaction(TransactionContext trx)
TransactionContext	applyTransactionSerial(TransactionContext trx)
TransactionContext	cancelTransaction(TransactionContext trx)
void	close()
RaftGroupId	getGroupId()
RaftPeerId	getId()
TermIndex	getLastAppliedTermIndex()
SnapshotInfo	getLatestSnapshot()
LifeCycle	getLifeCycle()
LifeCycle.State	getLifeCycleState()
CompletableFuture<RaftServer>	getServer()
StateMachineStorage	getStateMachineStorage()
void	initialize(RaftServer raftServer, RaftGroupId raftGroupId, RaftStorage storage)
void	notifyTermIndexUpdated(long term, long index)
void	pause()
TransactionContext	preAppendTransaction(TransactionContext trx)
CompletableFuture<Message>	query(Message request)
CompletableFuture<Message>	queryStale(Message request, long minIndex)
protected CompletableFuture<Message>	recordTime(com.codahale.metrics.Timer timer, BaseStateMachine.Task task)
void	reinitialize()
protected void	setLastAppliedTermIndex(TermIndex newTI)
TransactionContext	startTransaction(RaftClientRequest request)
long	takeSnapshot()
String	toString()
protected boolean	updateLastAppliedTermIndex(long term, long index)
protected boolean	updateLastAppliedTermIndex(TermIndex newTI)

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.ratis.statemachine.StateMachine

data, event, followerEvent, leaderEvent, toStateMachineLogEntryString

从接口继承的方法 org.apache.ratis.statemachine.StateMachine.DataApi

flush, link, read, stream, truncate, write

从接口继承的方法 org.apache.ratis.statemachine.StateMachine.EventApi

notifyConfigurationChanged, notifyGroupRemove, notifyLeaderChanged, notifyLogFailed, notifyServerShutdown, notifySnapshotInstalled

从接口继承的方法 org.apache.ratis.statemachine.StateMachine.LeaderEventApi

notifyFollowerSlowness, notifyFollowerSlowness, notifyNotLeader

从接口继承的方法 org.apache.ratis.statemachine.StateMachine.FollowerEventApi

notifyExtendedNoLeader, notifyInstallSnapshotFromLeader

构造器详细资料

BaseStateMachine

public BaseStateMachine()

方法详细资料

getId

public RaftPeerId getId()

getLifeCycle

public LifeCycle getLifeCycle()

getServer

public CompletableFuture<RaftServer> getServer()

getGroupId

public RaftGroupId getGroupId()

getLifeCycleState

public LifeCycle.State getLifeCycleState()

指定者:

getLifeCycleState 在接口中 StateMachine

initialize

public void initialize(RaftServer raftServer,
                       RaftGroupId raftGroupId,
                       RaftStorage storage)
                throws IOException

指定者:

initialize 在接口中 StateMachine

抛出:

IOException

getLatestSnapshot

public SnapshotInfo getLatestSnapshot()

指定者:

getLatestSnapshot 在接口中 StateMachine

pause

public void pause()

指定者:

pause 在接口中 StateMachine

reinitialize

public void reinitialize()
                  throws IOException

指定者:

reinitialize 在接口中 StateMachine

抛出:

IOException

applyTransactionSerial

public TransactionContext applyTransactionSerial(TransactionContext trx)
                                          throws org.apache.ratis.thirdparty.com.google.protobuf.InvalidProtocolBufferException

指定者:

applyTransactionSerial 在接口中 StateMachine

抛出:

org.apache.ratis.thirdparty.com.google.protobuf.InvalidProtocolBufferException

applyTransaction

public CompletableFuture<Message> applyTransaction(TransactionContext trx)

指定者:

applyTransaction 在接口中 StateMachine

getLastAppliedTermIndex

public TermIndex getLastAppliedTermIndex()

指定者:

getLastAppliedTermIndex 在接口中 StateMachine

setLastAppliedTermIndex

protected void setLastAppliedTermIndex(TermIndex newTI)

notifyTermIndexUpdated

public void notifyTermIndexUpdated(long term,
                                   long index)

指定者:

notifyTermIndexUpdated 在接口中 StateMachine.EventApi

updateLastAppliedTermIndex

protected boolean updateLastAppliedTermIndex(long term,
                                             long index)

updateLastAppliedTermIndex

protected boolean updateLastAppliedTermIndex(TermIndex newTI)

takeSnapshot

public long takeSnapshot()
                  throws IOException

指定者:

takeSnapshot 在接口中 StateMachine

抛出:

IOException

getStateMachineStorage

public StateMachineStorage getStateMachineStorage()

指定者:

getStateMachineStorage 在接口中 StateMachine

queryStale

public CompletableFuture<Message> queryStale(Message request,
                                             long minIndex)

指定者:

queryStale 在接口中 StateMachine

query

public CompletableFuture<Message> query(Message request)

指定者:

query 在接口中 StateMachine

startTransaction

public TransactionContext startTransaction(RaftClientRequest request)
                                    throws IOException

指定者:

startTransaction 在接口中 StateMachine

抛出:

IOException

cancelTransaction

public TransactionContext cancelTransaction(TransactionContext trx)
                                     throws IOException

指定者:

cancelTransaction 在接口中 StateMachine

抛出:

IOException

preAppendTransaction

public TransactionContext preAppendTransaction(TransactionContext trx)
                                        throws IOException

指定者:

preAppendTransaction 在接口中 StateMachine

抛出:

IOException

close

public void close()
           throws IOException

指定者:

close 在接口中 Closeable

指定者:

close 在接口中 AutoCloseable

抛出:

IOException

toString

public String toString()

覆盖:

toString 在类中 Object

recordTime

protected CompletableFuture<Message> recordTime(com.codahale.metrics.Timer timer,
                                                BaseStateMachine.Task task)