public interface PreprocessorPlugin
extends SciJavaPlugin, Contextual, ModulePreprocessor

A preprocessor plugin defines a step that occurs just prior to the actual execution of a Module. Typically, a preprocessor prepares the module for execution in some way, such as populating module inputs or checking prerequisites.

Preprocessor plugins discoverable at runtime must implement this interface and be annotated with @Plugin with attribute Plugin.type() = PreprocessorPlugin.class. While it possible to create a preprocessor plugin merely by implementing this interface, it is encouraged to instead extend AbstractPreprocessorPlugin, for convenience.