module Mongoid::Matcher::In

In-memory matcher for $in expression.

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

@api private

Public Instance Methods

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

Returns whether a value satisfies an $in expression.

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

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

@api private

# File lib/mongoid/matcher/in.rb, line 21
                def matches?(exists, value, condition)
  unless Array === condition
    raise Errors::InvalidQuery, "$in argument must be an array: #{Errors::InvalidQuery.truncate_expr(condition)}"
  end
  if Array === value
    if value.any? { |v|
      condition.any? do |c|
        EqImplWithRegexp.matches?('$in', v, c)
      end
    } then
      return true
    end
  end
  condition.any? do |c|
    EqImplWithRegexp.matches?('$in', value, c)
  end
end