Class: Factbase::Rules

Inherits:
Object
  • Object
show all
Defined in:
lib/factbase/rules.rb

Overview

A decorator of a Factbase, that checks rules on every set.

Author

Yegor Bugayenko ([email protected])

Copyright

Copyright © 2024 Yegor Bugayenko

License

MIT

Defined Under Namespace

Classes: Blind, Check, Fact, Query

Instance Method Summary collapse

Constructor Details

#initialize(fb, rules, check = Check.new(rules)) ⇒ Rules

Returns a new instance of Rules.



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# File 'lib/factbase/rules.rb', line 31

def initialize(fb, rules, check = Check.new(rules))
  @fb = fb
  @rules = rules
  @check = check
end

Instance Method Details

#dup ⇒ Object 



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# File 'lib/factbase/rules.rb', line 37

def dup
  Factbase::Rules.new(@fb.dup, @rules, @check)
end

#export ⇒ Object 



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# File 'lib/factbase/rules.rb', line 63

def export
  @fb.export
end

#import(bytes) ⇒ Object 



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# File 'lib/factbase/rules.rb', line 67

def import(bytes)
  @fb.import(bytes)
end

#insert ⇒ Object 



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# File 'lib/factbase/rules.rb', line 45

def insert
  Fact.new(@fb.insert, @check)
end

#query(query) ⇒ Object 



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# File 'lib/factbase/rules.rb', line 49

def query(query)
  Query.new(@fb.query(query), @check)
end

#size ⇒ Object 



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# File 'lib/factbase/rules.rb', line 41

def size
  @fb.size
end

#txn(this = self) ⇒ Object 



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# File 'lib/factbase/rules.rb', line 53

def txn(this = self, &)
  before = @check
  @check = Blind.new
  @fb.txn(this, &)
  @check = before
  @fb.query('(always)').each do |f|
    @check.it(f)
  end
end