程序包 org.apache.flink.table.runtime.operators.window.triggers

接口概要

接口	说明
Trigger.OnMergeContext	Extension of Trigger.TriggerContext that is given to Trigger.onMerge(Window, OnMergeContext).
Trigger.TriggerContext	A context object that is given to Trigger methods to allow them to register timer callbacks and deal with state.

类概要

类	说明
ElementTriggers	A Trigger that fires at some point after a specified number of input elements have arrived.
ElementTriggers.CountElement<W extends Window>	A Trigger that fires at some point after a specified number of input elements have arrived.
ElementTriggers.EveryElement<W extends Window>	A Trigger that triggers on every element.
EventTimeTriggers	A Trigger that reacts to event-time timers.
EventTimeTriggers.AfterEndOfWindow<W extends Window>	A Trigger that fires once the watermark passes the end of the window to which a pane belongs.
EventTimeTriggers.AfterEndOfWindowEarlyAndLate<W extends Window>	A composite Trigger that consist of AfterEndOfWindow and a early trigger and late trigger.
EventTimeTriggers.AfterEndOfWindowNoLate<W extends Window>	A composite Trigger that consist of AfterEndOfWindow and a late trigger.
ProcessingTimeTriggers	A Trigger that reacts to processing-time timers.
ProcessingTimeTriggers.AfterEndOfWindow<W extends Window>	A Trigger that fires once the current system time passes the end of the window to which a pane belongs.
ProcessingTimeTriggers.AfterEndOfWindowNoLate<W extends Window>	A composite Trigger that consist of AfterEndOfWindow and a early trigger.
ProcessingTimeTriggers.AfterFirstElementPeriodic<W extends Window>	Trigger every a given interval, the first trigger time is interval after the first element in the pane.
Trigger<W extends Window>	A Trigger determines when a pane of a window should be evaluated to emit the results for that part of the window.