Package org.apache.flink.table.runtime.operators.window.tvf.common

Class WindowTimerServiceBase<W>

java.lang.Object

org.apache.flink.table.runtime.operators.window.tvf.common.WindowTimerServiceBase<W>

All Implemented Interfaces:

WindowTimerService<W>

Direct Known Subclasses:

SlicingWindowTimerServiceImpl, UnslicingWindowTimerServiceImpl

public abstract class WindowTimerServiceBase<W>
extends Object
implements WindowTimerService<W>

A base implement of WindowTimerService.

Field Summary

Fields

Modifier and Type	Field	Description
protected final org.apache.flink.streaming.api.operators.InternalTimerService<W>	internalTimerService
protected final ZoneId	shiftTimeZone

Constructor Summary

Constructors

Constructor	Description
WindowTimerServiceBase(org.apache.flink.streaming.api.operators.InternalTimerService<W> internalTimerService, ZoneId shiftTimeZone)

Method Summary

Modifier and Type	Method	Description
long	currentProcessingTime()	Returns the current processing time.
long	currentWatermark()	Returns the current event-time watermark.
ZoneId	getShiftTimeZone()	The shift timezone of the window, if the proctime or rowtime type is TIMESTAMP_LTZ, the shift timezone is the timezone user configured in TableConfig, other cases the timezone is UTC which means never shift when assigning windows.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.table.runtime.operators.window.tvf.common.WindowTimerService

registerEventTimeWindowTimer, registerProcessingTimeWindowTimer

Field Details

internalTimerService

protected final org.apache.flink.streaming.api.operators.InternalTimerService<W> internalTimerService

shiftTimeZone

protected final ZoneId shiftTimeZone

Constructor Details

WindowTimerServiceBase

public WindowTimerServiceBase(org.apache.flink.streaming.api.operators.InternalTimerService<W> internalTimerService,
 ZoneId shiftTimeZone)

Method Details

getShiftTimeZone

public ZoneId getShiftTimeZone()

Description copied from interface: WindowTimerService

The shift timezone of the window, if the proctime or rowtime type is TIMESTAMP_LTZ, the shift timezone is the timezone user configured in TableConfig, other cases the timezone is UTC which means never shift when assigning windows.

Specified by:

getShiftTimeZone in interface WindowTimerService<W>

currentProcessingTime

public long currentProcessingTime()

Description copied from interface: WindowTimerService

Returns the current processing time.

Specified by:

currentProcessingTime in interface WindowTimerService<W>

currentWatermark

public long currentWatermark()

Description copied from interface: WindowTimerService

Returns the current event-time watermark.

Specified by:

currentWatermark in interface WindowTimerService<W>