Package org.apache.iotdb.confignode.consensus.statemachine

Class ConfigRegionStateMachine

java.lang.Object

org.apache.iotdb.confignode.consensus.statemachine.ConfigRegionStateMachine

All Implemented Interfaces:

IStateMachine, IStateMachine.EventApi

public class ConfigRegionStateMachine
extends Object
implements IStateMachine, IStateMachine.EventApi

IStateMachine for ConfigRegion.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.iotdb.consensus.IStateMachine

IStateMachine.EventApi, IStateMachine.Registry

Constructor Summary

Constructors

Constructor	Description
ConfigRegionStateMachine(ConfigManager configManager, ConfigPlanExecutor executor)

Method Summary

Modifier and Type	Method	Description
IConsensusRequest	deserializeRequest(IConsensusRequest request)
ConfigManager	getConfigManager()
boolean	isReadOnly()
void	loadSnapshot(File latestSnapshotRootDir)
void	notifyLeaderChanged(ConsensusGroupId groupId, int newLeaderId)
void	notifyLeaderReady()
void	notifyNotLeader()
protected DataSet	read(ConfigPhysicalReadPlan plan)	Transmit ConfigPhysicalReadPlan to ConfigPlanExecutor
DataSet	read(IConsensusRequest request)
void	setConfigManager(ConfigManager configManager)
void	start()
void	stop()
boolean	takeSnapshot(File snapshotDir)
protected TSStatus	write(ConfigPhysicalPlan plan)	Transmit ConfigPhysicalPlan to ConfigPlanExecutor
TSStatus	write(IConsensusRequest request)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.iotdb.consensus.IStateMachine

clearSnapshot, event, getSnapshotFiles, getSnapshotRoot, hasReleaseAllRegionRelatedResource, takeSnapshot

Methods inherited from interface org.apache.iotdb.consensus.IStateMachine.EventApi

notifyConfigurationChanged

Constructor Details

ConfigRegionStateMachine

public ConfigRegionStateMachine(ConfigManager configManager,
 ConfigPlanExecutor executor)

Method Details

getConfigManager

public ConfigManager getConfigManager()

setConfigManager

public void setConfigManager(ConfigManager configManager)

write

public TSStatus write(IConsensusRequest request)

Specified by:

write in interface IStateMachine

write

protected TSStatus write(ConfigPhysicalPlan plan)

Transmit ConfigPhysicalPlan to ConfigPlanExecutor

deserializeRequest

public IConsensusRequest deserializeRequest(IConsensusRequest request)

Specified by:

deserializeRequest in interface IStateMachine

read

public DataSet read(IConsensusRequest request)

Specified by:

read in interface IStateMachine

read

protected DataSet read(ConfigPhysicalReadPlan plan)

Transmit ConfigPhysicalReadPlan to ConfigPlanExecutor

takeSnapshot

public boolean takeSnapshot(File snapshotDir)

Specified by:

takeSnapshot in interface IStateMachine

loadSnapshot

public void loadSnapshot(File latestSnapshotRootDir)

Specified by:

loadSnapshot in interface IStateMachine

notifyLeaderChanged

public void notifyLeaderChanged(ConsensusGroupId groupId,
 int newLeaderId)

Specified by:

notifyLeaderChanged in interface IStateMachine.EventApi

notifyNotLeader

public void notifyNotLeader()

Specified by:

notifyNotLeader in interface IStateMachine.EventApi

notifyLeaderReady

public void notifyLeaderReady()

Specified by:

notifyLeaderReady in interface IStateMachine.EventApi

start

public void start()

Specified by:

start in interface IStateMachine

stop

public void stop()

Specified by:

stop in interface IStateMachine

isReadOnly

public boolean isReadOnly()

Specified by:

isReadOnly in interface IStateMachine