Class: FlowEngine::Rules::Base

Inherits:

Object

• Object
• FlowEngine::Rules::Base

Defined in:

lib/flowengine/rules/base.rb

Overview

Abstract base for rule AST nodes. Subclasses implement #evaluate and #to_s for use in transitions and visibility conditions.

Direct Known Subclasses

All, Any, Contains, Equals, GreaterThan, LessThan, NotEmpty

Instance Method Summary

• #evaluate(_answers) ⇒ Boolean

  Evaluates the rule against the current answer context.

• #to_s ⇒ String

  Human-readable representation (e.g. for graph labels).

Instance Method Details

#evaluate(_answers) ⇒ Boolean

Evaluates the rule against the current answer context.

Parameters:

• _answers (Hash) —

  step_id => value

Returns:

• (Boolean)

Raises:

• (NotImplementedError)

# File 'lib/flowengine/rules/base.rb', line 12

def evaluate(_answers)
  raise NotImplementedError, "#{self.class}#evaluate must be implemented"
end

#to_s ⇒ String

Human-readable representation (e.g. for graph labels).

Returns:

• (String)

Raises:

• (NotImplementedError)

# File 'lib/flowengine/rules/base.rb', line 19

def to_s
  raise NotImplementedError, "#{self.class}#to_s must be implemented"
end