Evaluates the window and outputs none or several elements.
Evaluates the window and outputs none or several elements.
The key for which this window is evaluated.
The window that 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.
Base interface for functions that are evaluated over keyed (grouped) windows.
The type of the input value.
The type of the output value.
The type of the key.