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

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `boolean` | `onTrigger()` | The code to execute when the `TriggerPolicy` condition is satisfied.

- - ### Method Detail

    - #### 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