module Mongoid::Matcher::Mod

In-memory matcher for $mod expression.

@see www.mongodb.com/docs/manual/reference/operator/query/mod/

@api private

Public Instance Methods

matches?(exists, value, condition) click to toggle source

Returns whether a value satisfies a $mod expression.

@param [ true | false ] exists Not used. @param [ Numeric ] value The value to check. @param [ Array<Numeric> ] condition The $mod condition predicate,

which is a 2-tuple containing the divisor and remainder.

@return [ true | false ] Whether the value matches.

@api private

# File lib/mongoid/matcher/mod.rb, line 22
                def matches?(exists, value, condition)
  unless Array === condition
    raise Errors::InvalidQuery, "Unknown $mod argument #{condition}"
  end
  if condition.length != 2
    raise Errors::InvalidQuery, "Malformed $mod argument #{condition}, should have 2 elements"
  end
  condition[1] == value%condition[0]
end