Package org.apache.iotdb.db.query.context

Class QueryContext

java.lang.Object

org.apache.iotdb.db.query.context.QueryContext

Direct Known Subclasses:

FragmentInstanceContext

public class QueryContext
extends java.lang.Object

QueryContext contains the shared information with in a query.

Field Summary

Fields

Modifier and Type	Field	Description
protected long	queryId

Constructor Summary

Constructors

Constructor	Description
QueryContext()
QueryContext(long queryId)
QueryContext(long queryId, boolean debug, long startTime, java.lang.String statement, long timeout)	Every time we generate the queryContext, register it to queryTimeManager.

Method Summary

Modifier and Type	Method	Description
boolean	chunkNotSatisfy(org.apache.iotdb.tsfile.file.metadata.IChunkMetadata chunkMetaData)
java.util.List<Modification>	getPathModifications(ModificationFile modFile, org.apache.iotdb.commons.path.PartialPath path)	Find the modifications of timeseries 'path' in 'modFile'.
java.util.List<java.util.List<Modification>>	getPathModifications(ModificationFile modFile, AlignedPath path)	Find the modifications of all aligned 'paths' in 'modFile'.
long	getQueryId()
long	getQueryTimeLowerBound()
long	getStartTime()
java.lang.String	getStatement()
void	getStatement(java.lang.String statement)
long	getTimeout()
boolean	isDebug()
boolean	isEnableTracing()
boolean	isInterrupted()
void	setEnableTracing(boolean enableTracing)
void	setInterrupted(boolean interrupted)
void	setQueryTimeLowerBound(long queryTimeLowerBound)
QueryContext	setStartTime(long startTime)
QueryContext	setStatement(java.lang.String statement)
QueryContext	setTimeout(long timeout)

Methods inherited from class java.lang.Object

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

Field Detail

queryId

protected long queryId

Constructor Detail

QueryContext

public QueryContext()

QueryContext

public QueryContext(long queryId)

QueryContext

public QueryContext(long queryId,
                    boolean debug,
                    long startTime,
                    java.lang.String statement,
                    long timeout)

Every time we generate the queryContext, register it to queryTimeManager.

Method Detail

getPathModifications

public java.util.List<Modification> getPathModifications(ModificationFile modFile,
                                                         org.apache.iotdb.commons.path.PartialPath path)

Find the modifications of timeseries 'path' in 'modFile'. If they are not in the cache, read them from 'modFile' and put then into the cache.

getPathModifications

public java.util.List<java.util.List<Modification>> getPathModifications(ModificationFile modFile,
                                                                         AlignedPath path)

Find the modifications of all aligned 'paths' in 'modFile'. If they are not in the cache, read them from 'modFile' and put then into the cache.

getQueryId

public long getQueryId()

isDebug

public boolean isDebug()

isEnableTracing

public boolean isEnableTracing()

setEnableTracing

public void setEnableTracing(boolean enableTracing)

getQueryTimeLowerBound

public long getQueryTimeLowerBound()

setQueryTimeLowerBound

public void setQueryTimeLowerBound(long queryTimeLowerBound)

chunkNotSatisfy

public boolean chunkNotSatisfy(org.apache.iotdb.tsfile.file.metadata.IChunkMetadata chunkMetaData)

getStartTime

public long getStartTime()

getStatement

public java.lang.String getStatement()

setStartTime

public QueryContext setStartTime(long startTime)

getStatement

public void getStatement(java.lang.String statement)

getTimeout

public long getTimeout()

setTimeout

public QueryContext setTimeout(long timeout)

setStatement

public QueryContext setStatement(java.lang.String statement)

setInterrupted

public void setInterrupted(boolean interrupted)

isInterrupted

public boolean isInterrupted()