Package org.apache.storm.windowing

# Interface TriggerHandler

All Known Implementing Classes:
  `StatefulWindowManager`, `WindowManager`

public interface TriggerHandler
The callback fired by `TriggerPolicy` when the trigger condition is satisfied.

- ## Method Summary

  Modifier and Type
  Method
  Description
  `boolean`
  `onTrigger()`
  The code to execute when the `TriggerPolicy` condition is satisfied.

- ## Method Details

  - ### onTrigger

    boolean onTrigger()
    The code to execute when the `TriggerPolicy` condition is satisfied.
    Returns:
      true if the window was evaluated with at least one event in the window, false otherwise