Class: Wongi::Engine::DSL::Rule

Inherits:
Object
  • Object
show all
Defined in:
lib/wongi-engine/dsl/rule.rb

Direct Known Subclasses

NccSubrule, Query, VariantRule

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name) ⇒ Rule

Returns a new instance of Rule.



28
29
30
31
32
 
# File 'lib/wongi-engine/dsl/rule.rb', line 28

def initialize(name)
  @name = name
  @current_section = nil
  Rule.sections.each { |section| acceptors[section] ||= [] }
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



4
5
6
 
# File 'lib/wongi-engine/dsl/rule.rb', line 4

def name
  @name
end

Class Method Details

.section(s, *aliases) ⇒ Object 



7
8
9
10
11
12
13
14
15
16
17
18
 
# File 'lib/wongi-engine/dsl/rule.rb', line 7

def section(s, *aliases)
  return if sections.include?(s)

  sections << s
  define_method s do |&d|
    @current_section = s
    section = DSL.sections[s].new
    section.rule = self
    section.instance_eval(&d)
  end
  aliases.each { |a| alias_method a, s }
end

.sections ⇒ Object 



20
21
22
 
# File 'lib/wongi-engine/dsl/rule.rb', line 20

def sections
  @sections ||= []
end

Instance Method Details

#accept(stuff) ⇒ Object 



72
73
74
 
# File 'lib/wongi-engine/dsl/rule.rb', line 72

def accept(stuff)
  acceptors[@current_section] << stuff
end

#acceptors ⇒ Object 



34
35
36
 
# File 'lib/wongi-engine/dsl/rule.rb', line 34

def acceptors
  @acceptors ||= {}
end

#actions ⇒ Object 



46
47
48
 
# File 'lib/wongi-engine/dsl/rule.rb', line 46

def actions
  acceptors[:make] ||= []
end

#actions=(a) ⇒ Object 



50
51
52
 
# File 'lib/wongi-engine/dsl/rule.rb', line 50

def actions=(a)
  acceptors[:make] = a
end

#conditions ⇒ Object 



38
39
40
 
# File 'lib/wongi-engine/dsl/rule.rb', line 38

def conditions
  acceptors[:forall] ||= []
end

#conditions=(c) ⇒ Object 



42
43
44
 
# File 'lib/wongi-engine/dsl/rule.rb', line 42

def conditions=(c)
  acceptors[:forall] = c
end

#import_into(rete) ⇒ Object 



54
55
56
57
58
59
60
61
62
63
64
65
66
 
# File 'lib/wongi-engine/dsl/rule.rb', line 54

def import_into(rete)
  self.class.new(@name).tap do |copy|
    copy.conditions = conditions

    copy.actions = actions.map do |action|
      if action.respond_to? :import_into
        action.import_into(rete)
      else
        action
      end
    end
  end
end

#install(rete) ⇒ Object 



68
69
70
 
# File 'lib/wongi-engine/dsl/rule.rb', line 68

def install(rete)
  rete.install_rule(self)
end