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

Class StateWindowAccessStrategy

java.lang.Object

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

All Implemented Interfaces:

AccessStrategy

public class StateWindowAccessStrategy
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
StateWindowAccessStrategy()	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.
StateWindowAccessStrategy(double delta)	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.
StateWindowAccessStrategy(long displayWindowBegin, long displayWindowEnd)
StateWindowAccessStrategy(long displayWindowBegin, long displayWindowEnd, double delta)

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.
double	getDelta()
long	getDisplayWindowBegin()
long	getDisplayWindowEnd()
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

StateWindowAccessStrategy

public StateWindowAccessStrategy(long displayWindowBegin,
                                 long displayWindowEnd,
                                 double delta)

Parameters:

displayWindowBegin - displayWindowBegin < displayWindowEnd

displayWindowEnd - displayWindowBegin < displayWindowEnd

delta - delta >= 0

StateWindowAccessStrategy

public StateWindowAccessStrategy(long displayWindowBegin,
                                 long displayWindowEnd)

Parameters:

displayWindowBegin - displayWindowBegin < displayWindowEnd

displayWindowEnd - displayWindowBegin < displayWindowEnd

StateWindowAccessStrategy

public StateWindowAccessStrategy(double delta)

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:

delta - 0 < delta

StateWindowAccessStrategy

public StateWindowAccessStrategy()

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. delta default equals 0.

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()

getDelta

public double getDelta()

getZoneId

public java.time.ZoneId getZoneId()

setZoneId

public void setZoneId(java.time.ZoneId zoneId)