The context holding window metadata
Evaluates the window and outputs none or several elements.
Evaluates the window and outputs none or several elements.
The context in which the window is being evaluated.
The elements in the window being evaluated.
A collector for emitting elements.
Exception
The function may throw exceptions to fail the program and trigger recovery.
Deletes any state in the Context when the Window is purged.
Deletes any state in the Context when the Window is purged.
The context to which the window is being evaluated
Exception
The function may throw exceptions to fail the program and trigger recovery.
Base abstract class for functions that are evaluated over keyed (grouped) windows using a context for retrieving extra information.
The type of the input value.
The type of the output value.
The type of the window.