Class: Bmg::Sequel::PredicateTranslator

Inherits:

Sexpr::Processor

• Object
• Sexpr::Processor
• Bmg::Sequel::PredicateTranslator

Includes:

Predicate::ToSequel::Methods

Defined in:

lib/bmg/sequel/predicate_translator.rb

Instance Method Summary

• #initialize(parent) ⇒ PredicateTranslator constructor

  A new instance of PredicateTranslator.

• #on_exists(sexpr) ⇒ Object
• #on_opaque(sexpr) ⇒ Object

Constructor Details

#initialize(parent) ⇒ PredicateTranslator

Returns a new instance of PredicateTranslator.

# File 'lib/bmg/sequel/predicate_translator.rb', line 6

def initialize(parent)
  @parent = parent
end

Instance Method Details

#on_exists(sexpr) ⇒ Object

# File 'lib/bmg/sequel/predicate_translator.rb', line 16

def on_exists(sexpr)
  @parent.apply(sexpr.last).exists
end

#on_opaque(sexpr) ⇒ Object

# File 'lib/bmg/sequel/predicate_translator.rb', line 12

def on_opaque(sexpr)
  @parent.apply(sexpr.last)
end