Action executed by the engine when the rule fires.

Rule element that groups actions that run when the rule fires.

Rule element that creates new facts (aggregates) based on matching facts it receives as input.

Grouping element based on the logical AND condition.

Pattern condition element.

Pattern declaration.

Dependency that the rule uses when its actions runs.

Rule element that groups dependencies that the rule uses when its actions runs.

Existential quantifier.

Sorted readonly map of named expressions.

Universal quantifier.

Grouping element that logically combines the patterns.

Expression with a name used by an aggregator.

Negative existential quantifier.

Grouping element based on the logical OR condition.

Rule element that represents a pattern that matches facts.

Rule element that serves as a source to pattern elements.

Base class for rule elements.

Visitor to traverse rule definition (or its part).

Base class for rule elements on the left hand side of the rule definition.

Base class for rule elements on the right hand side of the rule definition.

Default implementation of a rule set.

Result of the aggregation.

Base interface for fact aggregators.

Base interface for aggregator factories.

Rules engine execution context. Can be used by rules to interact with the rules engine, i.e. insert, update, retract facts.

Production rule definition in the canonical rule model.

In-memory database of production rules arranged into rule sets.

Represents a named set of rules.

Action that aggregation performed on the aggregate, based on added/modified/removed facts.

Rule repeatability.