Package org.apache.iotdb.db.engine

Class StorageEngineV2

java.lang.Object

org.apache.iotdb.db.engine.StorageEngineV2

All Implemented Interfaces:

org.apache.iotdb.commons.service.IService

public class StorageEngineV2
extends java.lang.Object
implements org.apache.iotdb.commons.service.IService

Method Summary

Modifier and Type	Method	Description
static void	blockInsertionIfReject(TsFileProcessor tsFileProcessor)	block insertion if the insertion is rejected by memory control
DataRegion	buildNewDataRegion(java.lang.String logicalStorageGroupName, org.apache.iotdb.commons.consensus.DataRegionId dataRegionId, long ttl)	build a new data region
void	closeStorageGroupProcessor(java.lang.String storageGroupPath, boolean isSeq)
static long	convertMilliWithPrecision(long milliTime)
DataRegion	createDataRegion(org.apache.iotdb.commons.consensus.DataRegionId regionId, java.lang.String sg, long ttl)
void	deleteDataRegion(org.apache.iotdb.commons.consensus.DataRegionId regionId)
void	forceCloseAllProcessor()
java.util.List<org.apache.iotdb.commons.consensus.DataRegionId>	getAllDataRegionIds()
java.util.List<DataRegion>	getAllDataRegions()
DataRegion	getDataRegion(org.apache.iotdb.commons.consensus.DataRegionId regionId)
TsFileFlushPolicy	getFileFlushPolicy()
org.apache.iotdb.commons.service.ServiceType	getID()
static StorageEngineV2	getInstance()
java.util.Map<java.lang.String,java.util.List<org.apache.iotdb.commons.consensus.DataRegionId>>	getLocalDataRegionInfo()	get StorageGroup -> DataRegionIdList map from data/system directory.
static long	getTimePartition(long time)
static long	getTimePartitionInterval()
static org.apache.iotdb.common.rpc.thrift.TTimePartitionSlot	getTimePartitionSlot(long time)
boolean	isAllSgReady()
static boolean	isEnablePartition()
void	mergeAll()	merge all storage groups.
org.apache.iotdb.common.rpc.thrift.TSStatus	operateFlush(org.apache.iotdb.common.rpc.thrift.TFlushReq req)
void	recover()
void	registerCloseFileListener(CloseFileListener listener)	Add a listener to listen file close events.
void	registerFlushListener(FlushListener listener)	Add a listener to listen flush start/end events.
void	reset()	This function is just for unit test.
void	setAllSgReady(boolean allSgReady)
void	setDataRegion(org.apache.iotdb.commons.consensus.DataRegionId regionId, DataRegion newRegion)	This method is not thread-safe
static void	setEnablePartition(boolean enablePartition)
static void	setTimePartitionInterval(long timePartitionInterval)
void	setTTL(java.util.List<org.apache.iotdb.commons.consensus.DataRegionId> dataRegionIdList, long dataTTL)
org.apache.iotdb.common.rpc.thrift.TSStatus	setTTL(org.apache.iotdb.common.rpc.thrift.TSetTTLReq req)
void	shutdown(long milliseconds)
void	start()
void	stop()
void	syncCloseAllProcessor()	flush command Sync asyncCloseOneProcessor all file node processors.
org.apache.iotdb.common.rpc.thrift.TSStatus	write(org.apache.iotdb.commons.consensus.DataRegionId groupId, PlanNode planNode)	Write data into DataRegion.

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.commons.service.IService

waitAndStop

Method Detail

getInstance

public static StorageEngineV2 getInstance()

convertMilliWithPrecision

public static long convertMilliWithPrecision(long milliTime)

getTimePartitionInterval

public static long getTimePartitionInterval()

setTimePartitionInterval

public static void setTimePartitionInterval(long timePartitionInterval)

getTimePartition

public static long getTimePartition(long time)

isEnablePartition

public static boolean isEnablePartition()

setEnablePartition

public static void setEnablePartition(boolean enablePartition)

blockInsertionIfReject

public static void blockInsertionIfReject(TsFileProcessor tsFileProcessor)
                                   throws WriteProcessRejectException

block insertion if the insertion is rejected by memory control

Throws:

WriteProcessRejectException

getTimePartitionSlot

public static org.apache.iotdb.common.rpc.thrift.TTimePartitionSlot getTimePartitionSlot(long time)

isAllSgReady

public boolean isAllSgReady()

setAllSgReady

public void setAllSgReady(boolean allSgReady)

recover

public void recover()

getLocalDataRegionInfo

public java.util.Map<java.lang.String,java.util.List<org.apache.iotdb.commons.consensus.DataRegionId>> getLocalDataRegionInfo()

get StorageGroup -> DataRegionIdList map from data/system directory.

start

public void start()

Specified by:

start in interface org.apache.iotdb.commons.service.IService

stop

public void stop()

Specified by:

stop in interface org.apache.iotdb.commons.service.IService

shutdown

public void shutdown(long milliseconds)
              throws org.apache.iotdb.commons.exception.ShutdownException

Specified by:

shutdown in interface org.apache.iotdb.commons.service.IService

Throws:

org.apache.iotdb.commons.exception.ShutdownException

getID

public org.apache.iotdb.commons.service.ServiceType getID()

Specified by:

getID in interface org.apache.iotdb.commons.service.IService

buildNewDataRegion

public DataRegion buildNewDataRegion(java.lang.String logicalStorageGroupName,
                                     org.apache.iotdb.commons.consensus.DataRegionId dataRegionId,
                                     long ttl)
                              throws DataRegionException

build a new data region

Parameters:

dataRegionId - data region id e.g. 1

logicalStorageGroupName - logical storage group name e.g. root.sg1

Throws:

DataRegionException

write

public org.apache.iotdb.common.rpc.thrift.TSStatus write(org.apache.iotdb.commons.consensus.DataRegionId groupId,
                                                         PlanNode planNode)

Write data into DataRegion. For standalone mode only.

reset

public void reset()

This function is just for unit test.

syncCloseAllProcessor

public void syncCloseAllProcessor()

flush command Sync asyncCloseOneProcessor all file node processors.

forceCloseAllProcessor

public void forceCloseAllProcessor()
                            throws TsFileProcessorException

Throws:

TsFileProcessorException

closeStorageGroupProcessor

public void closeStorageGroupProcessor(java.lang.String storageGroupPath,
                                       boolean isSeq)

mergeAll

public void mergeAll()
              throws StorageEngineException

merge all storage groups.

Throws:

StorageEngineException - StorageEngineException

operateFlush

public org.apache.iotdb.common.rpc.thrift.TSStatus operateFlush(org.apache.iotdb.common.rpc.thrift.TFlushReq req)

setTTL

public void setTTL(java.util.List<org.apache.iotdb.commons.consensus.DataRegionId> dataRegionIdList,
                   long dataTTL)

registerFlushListener

public void registerFlushListener(FlushListener listener)

Add a listener to listen flush start/end events. Notice that this addition only applies to TsFileProcessors created afterwards.

Parameters:

listener -

registerCloseFileListener

public void registerCloseFileListener(CloseFileListener listener)

Add a listener to listen file close events. Notice that this addition only applies to TsFileProcessors created afterwards.

Parameters:

listener -

createDataRegion

public DataRegion createDataRegion(org.apache.iotdb.commons.consensus.DataRegionId regionId,
                                   java.lang.String sg,
                                   long ttl)
                            throws DataRegionException

Throws:

DataRegionException

deleteDataRegion

public void deleteDataRegion(org.apache.iotdb.commons.consensus.DataRegionId regionId)

getDataRegion

public DataRegion getDataRegion(org.apache.iotdb.commons.consensus.DataRegionId regionId)

getAllDataRegions

public java.util.List<DataRegion> getAllDataRegions()

getAllDataRegionIds

public java.util.List<org.apache.iotdb.commons.consensus.DataRegionId> getAllDataRegionIds()

setDataRegion

public void setDataRegion(org.apache.iotdb.commons.consensus.DataRegionId regionId,
                          DataRegion newRegion)

This method is not thread-safe

setTTL

public org.apache.iotdb.common.rpc.thrift.TSStatus setTTL(org.apache.iotdb.common.rpc.thrift.TSetTTLReq req)

getFileFlushPolicy

public TsFileFlushPolicy getFileFlushPolicy()