Module: Mongoid::Matchers::Strategies
Overview
This module is responsible for returning the correct matcher given a MongoDB query expression.
Constant Summary collapse
- MATCHERS =
{ "$all" => Matchers::All, "$and" => Matchers::And, "$exists" => Matchers::Exists, "$gt" => Matchers::Gt, "$gte" => Matchers::Gte, "$in" => Matchers::In, "$lt" => Matchers::Lt, "$lte" => Matchers::Lte, "$ne" => Matchers::Ne, "$nin" => Matchers::Nin, "$or" => Matchers::Or, "$size" => Matchers::Size }
Instance Method Summary collapse
-
#matcher(document, key, value) ⇒ Matcher
Get the matcher for the supplied key and value.
Instance Method Details
#matcher(document, key, value) ⇒ Matcher
Get the matcher for the supplied key and value. Will determine the class name from the key.
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# File 'lib/mongoid/matchers/strategies.rb', line 52 def matcher(document, key, value) if value.is_a?(Hash) matcher = MATCHERS[value.keys.first] if matcher matcher.new(extract_attribute(document, key)) else Default.new(extract_attribute(document, key)) end else case key when "$or" then Matchers::Or.new(value, document) when "$and" then Matchers::And.new(value, document) else Default.new(extract_attribute(document, key)) end end end |