Module: Mongoid::Matchable

Extended by:
ActiveSupport::Concern
Included in:
Composable
Defined in:
lib/mongoid/matchable.rb

Overview

This module contains all the behavior for Ruby implementations of MongoDB selectors.

Instance Method Summary collapse

Instance Method Details

#_matches?(selector) ⇒ true | false

Determines if this document has the attributes to match the supplied MongoDB selector. Used for matching on embedded associations.

Examples:

Does the document match?

document._matches?(:title => { "$in" => [ "test" ] })

Parameters:

  • selector (Hash) —

    The MongoDB selector.

Returns:

  • (true | false) —

    True if matches, false if not.



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# File 'lib/mongoid/matchable.rb', line 18

def _matches?(selector)
  # Opens a regexp budget for this document only. Callers that match many
  # documents against one selector open a budget of their own first, and
  # this one joins it rather than giving every document a fresh limit.
  Matcher::RegexpBudget.open(selector) do
    Matcher::Expression.matches?(self, selector)
  end
end