Package org.apache.iotdb.udf.api.customizer.strategy

Class SessionTimeWindowAccessStrategy

java.lang.Object

org.apache.iotdb.udf.api.customizer.strategy.SessionTimeWindowAccessStrategy

All Implemented Interfaces:

AccessStrategy

public class SessionTimeWindowAccessStrategy
extends java.lang.Object
implements AccessStrategy

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.iotdb.udf.api.customizer.strategy.AccessStrategy

AccessStrategy.AccessStrategyType

Constructor Summary

Constructors

Constructor	Description
SessionTimeWindowAccessStrategy(long sessionTimeGap)	Display window begin will be set to the same as the minimum timestamp of the query result set, and display window end will be set to the same as the maximum timestamp of the query result set.
SessionTimeWindowAccessStrategy(long displayWindowBegin, long displayWindowEnd, long sessionTimeGap)

Method Summary

Modifier and Type	Method	Description
void	check()	Used by the system to check the access strategy.
AccessStrategy.AccessStrategyType	getAccessStrategyType()	Returns the actual access strategy type.
long	getDisplayWindowBegin()
long	getDisplayWindowEnd()
long	getSessionTimeGap()
java.time.ZoneId	getZoneId()
void	setZoneId(java.time.ZoneId zoneId)

Methods inherited from class java.lang.Object

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

Constructor Detail

SessionTimeWindowAccessStrategy

public SessionTimeWindowAccessStrategy(long displayWindowBegin,
                                       long displayWindowEnd,
                                       long sessionTimeGap)

Parameters:

displayWindowBegin - displayWindowBegin < displayWindowEnd

displayWindowEnd - displayWindowBegin < displayWindowEnd

sessionTimeGap - 0 <= sessionTimeGap

SessionTimeWindowAccessStrategy

public SessionTimeWindowAccessStrategy(long sessionTimeGap)

Display window begin will be set to the same as the minimum timestamp of the query result set, and display window end will be set to the same as the maximum timestamp of the query result set.

Parameters:

sessionTimeGap - 0 <= sessionTimeGap

Method Detail

check

public void check()

Description copied from interface: AccessStrategy

Used by the system to check the access strategy.

Specified by:

check in interface AccessStrategy

getAccessStrategyType

public AccessStrategy.AccessStrategyType getAccessStrategyType()

Description copied from interface: AccessStrategy

Returns the actual access strategy type.

Specified by:

getAccessStrategyType in interface AccessStrategy

Returns:

the actual access strategy type

getDisplayWindowBegin

public long getDisplayWindowBegin()

getDisplayWindowEnd

public long getDisplayWindowEnd()

getSessionTimeGap

public long getSessionTimeGap()

getZoneId

public java.time.ZoneId getZoneId()

setZoneId

public void setZoneId(java.time.ZoneId zoneId)