Module: Mongoid::Matcher::Size Private

Defined in:
lib/mongoid/matcher/size.rb

Overview

This module is part of a private API. You should avoid using this module if possible, as it may be removed or be changed in the future.

In-memory matcher for $size expression.

See Also:

Class Method Summary collapse

Class Method Details

.matches?(exists, value, condition) ⇒ true | false, Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns whether a value satisfies a $size expression.

Parameters:

  • exists (true | false) —

    Not used.

  • value (Numeric) —

    The value to check.

  • condition (Integer | Array<Object>) —

    The $size condition predicate, either a non-negative Integer or an Array to match size.

Returns:

  • (true | false) —

    Whether the value matches.

  • (Boolean) 


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# File 'lib/mongoid/matcher/size.rb', line 22

module_function def matches?(exists, value, condition)
  case condition
  when Float
    raise Errors::InvalidQuery, "$size argument must be a non-negative integer: #{Errors::InvalidQuery.truncate_expr(condition)}"
  when Numeric
    if condition < 0
      raise Errors::InvalidQuery, "$size argument must be a non-negative integer: #{Errors::InvalidQuery.truncate_expr(condition)}"
    end
  else
    raise Errors::InvalidQuery, "$size argument must be a non-negative integer: #{Errors::InvalidQuery.truncate_expr(condition)}"
  end

  if Array === value
    value.length == condition
  else
    false
  end
end