module Mongoid::Persistable::Minable
Defines behavior for setting a field (or fields) to the smaller of either it’s current value, or a given value.
Public Instance Methods
set_min(fields)
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Set the given field or fields to the smaller of either it’s current value, or a given value.
@example Set a field to be no more than 100.
document.min(field: 100)
@param [ Hash<Symbol | String, Comparable> ] fields The fields to
set, with corresponding maximum values.
@return [ Document
] The document.
# File lib/mongoid/persistable/minable.rb, line 22 def set_min(fields) prepare_atomic_operation do |ops| process_atomic_operations(fields) do |field, value| current_value = attributes[field] if value < current_value process_attribute field, value ops[atomic_attribute_name(field)] = value end end { "$min" => ops } unless ops.empty? end end
Also aliased as: clamp_upper_bound