org.apache.iotdb.db.metadata.idtable

类 IDTableHashmapImpl

java.lang.Object

org.apache.iotdb.db.metadata.idtable.IDTableHashmapImpl

所有已实现的接口:

IDTable

public class IDTableHashmapImpl
extends Object
implements IDTable

id table belongs to a storage group and mapping timeseries path to it's schema

字段概要

字段

限定符和类型	字段和说明
protected static IoTDBConfig	config iotdb config

构造器概要

构造器

构造器和说明
IDTableHashmapImpl(File storageGroupDir)

方法概要

限定符和类型	方法和说明
void	clear() clear id table and close file
void	createAlignedTimeseries(CreateAlignedTimeSeriesPlan plan) create aligned timeseries
void	createTimeseries(CreateTimeSeriesPlan plan) create timeseries
void	deregisterTrigger(PartialPath fullPath, IMeasurementMNode measurementMNode) deregister trigger to the timeseries
List<DeviceEntry>	getAllDeviceEntry() get all device entries
DeviceEntry	getDeviceEntry(String deviceName) get device entry from device path
IDiskSchemaManager	getIDiskSchemaManager()
Map<IDeviceID,DeviceEntry>[]	getIdTables()
TimeValuePair	getLastCache(TimeseriesID timeseriesID) get last cache of the timeseies
IDeviceID	getSeriesSchemas(InsertPlan plan) check inserting timeseries existence and fill their measurement mnode
void	putSchemaEntry(String devicePath, String measurement, SchemaEntry schemaEntry, boolean isAligned) put schema entry to id table, currently used in recover
void	registerTrigger(PartialPath fullPath, IMeasurementMNode measurementMNode) register trigger to the timeseries
void	updateLastCache(TimeseriesID timeseriesID, TimeValuePair pair, boolean highPriorityUpdate, Long latestFlushedTime) update last cache of the timeseies

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.iotdb.db.metadata.idtable.IDTable

translateQueryPath

字段详细资料

config

protected static IoTDBConfig config

iotdb config

构造器详细资料

IDTableHashmapImpl

public IDTableHashmapImpl(File storageGroupDir)

方法详细资料

createAlignedTimeseries

public void createAlignedTimeseries(CreateAlignedTimeSeriesPlan plan)
                             throws MetadataException

create aligned timeseries

指定者:

createAlignedTimeseries 在接口中 IDTable

参数:

plan - create aligned timeseries plan

抛出:

MetadataException - if the device is not aligned, throw it

createTimeseries

public void createTimeseries(CreateTimeSeriesPlan plan)
                      throws MetadataException

create timeseries

指定者:

createTimeseries 在接口中 IDTable

参数:

plan - create timeseries plan

抛出:

MetadataException - if the device is aligned, throw it

getSeriesSchemas

public IDeviceID getSeriesSchemas(InsertPlan plan)
                           throws MetadataException

check inserting timeseries existence and fill their measurement mnode

指定者:

getSeriesSchemas 在接口中 IDTable

参数:

plan - insert plan

返回:

reusable device id

抛出:

MetadataException - if insert plan's aligned value is inconsistent with device

registerTrigger

public void registerTrigger(PartialPath fullPath,
                            IMeasurementMNode measurementMNode)
                     throws MetadataException

register trigger to the timeseries

指定者:

registerTrigger 在接口中 IDTable

参数:

fullPath - full path of the timeseries

measurementMNode - the timeseries measurement mnode

抛出:

MetadataException - if the timeseries is not exits

deregisterTrigger

public void deregisterTrigger(PartialPath fullPath,
                              IMeasurementMNode measurementMNode)
                       throws MetadataException

deregister trigger to the timeseries

指定者:

deregisterTrigger 在接口中 IDTable

参数:

fullPath - full path of the timeseries

measurementMNode - the timeseries measurement mnode

抛出:

MetadataException - if the timeseries is not exits

getLastCache

public TimeValuePair getLastCache(TimeseriesID timeseriesID)
                           throws MetadataException

get last cache of the timeseies

指定者:

getLastCache 在接口中 IDTable

参数:

timeseriesID - timeseries ID of the timeseries

抛出:

MetadataException - if the timeseries is not exits

updateLastCache

public void updateLastCache(TimeseriesID timeseriesID,
                            TimeValuePair pair,
                            boolean highPriorityUpdate,
                            Long latestFlushedTime)
                     throws MetadataException

update last cache of the timeseies

指定者:

updateLastCache 在接口中 IDTable

参数:

timeseriesID - timeseries ID of the timeseries

pair - last time value pair

highPriorityUpdate - is high priority update

latestFlushedTime - last flushed time

抛出:

MetadataException - if the timeseries is not exits

clear

public void clear()
           throws IOException

从接口复制的说明: IDTable

clear id table and close file

指定者:

clear 在接口中 IDTable

抛出:

IOException

getDeviceEntry

public DeviceEntry getDeviceEntry(String deviceName)

get device entry from device path

指定者:

getDeviceEntry 在接口中 IDTable

参数:

deviceName - device name of the time series

返回:

device entry of the timeseries

getAllDeviceEntry

public List<DeviceEntry> getAllDeviceEntry()

从接口复制的说明: IDTable

get all device entries

指定者:

getAllDeviceEntry 在接口中 IDTable

返回:

all device entries

putSchemaEntry

public void putSchemaEntry(String devicePath,
                           String measurement,
                           SchemaEntry schemaEntry,
                           boolean isAligned)
                    throws MetadataException

从接口复制的说明: IDTable

put schema entry to id table, currently used in recover

指定者:

putSchemaEntry 在接口中 IDTable

参数:

devicePath - device path (can be device id formed path)

measurement - measurement name

schemaEntry - schema entry to put

isAligned - is the device aligned

抛出:

MetadataException

getIdTables

public Map<IDeviceID,DeviceEntry>[] getIdTables()

指定者:

getIdTables 在接口中 IDTable

getIDiskSchemaManager

public IDiskSchemaManager getIDiskSchemaManager()

指定者:

getIDiskSchemaManager 在接口中 IDTable