Class: Familia::Counter

Inherits:
StringKey show all
Defined in:
lib/familia/data_type/types/counter.rb

Instance Attribute Summary collapse

Attributes included from Settings

#current_key_version, #default_expiration, #delim, #encryption_keys, #encryption_personalization, #logical_database, #prefix, #suffix, #transaction_mode

Instance Method Summary collapse

Methods included from Features::Autoloader

autoload_files, included, normalize_to_config_name

Methods included from DataType::Serialization

#deserialize_value, #deserialize_values, #deserialize_values_with_nil, #serialize_value

Methods included from DataType::DatabaseCommands

#current_expiration, #delete!, #echo, #exists?, #expire, #expireat, #move, #persist, #rename, #renamenx, #type

Methods included from DataType::Connection

#dbclient, #dbkey, #direct_access

Methods included from Settings

#configure, #default_suffix, #pipeline_mode, #pipeline_mode=

Methods included from Base

add_feature, #as_json, #expired?, #expires?, find_feature, #generate_id, #to_json, #to_s, #ttl, #update_expiration, #uuid

Constructor Details

#initialize(*args) ⇒ Counter

Returns a new instance of Counter.



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# File 'lib/familia/data_type/types/counter.rb', line 5

def initialize(*args)
  super
  @opts[:default] ||= 0
end

Instance Attribute Details

#features_enabled ⇒ Object (readonly) Originally defined in module Features

Returns the value of attribute features_enabled.

#logical_database(val = nil) ⇒ Object Originally defined in module DataType::ClassMethods

#parent ⇒ Object Originally defined in module DataType::ClassMethods

Returns the value of attribute parent.

#prefix ⇒ Object Originally defined in module DataType::ClassMethods

Returns the value of attribute prefix.

#suffix ⇒ Object Originally defined in module DataType::ClassMethods

Returns the value of attribute suffix.

#uri(val = nil) ⇒ Object Originally defined in module DataType::ClassMethods

Returns the value of attribute uri.

Instance Method Details

#atomic_increment_and_get(amount = 1) ⇒ Object 



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# File 'lib/familia/data_type/types/counter.rb', line 23

def atomic_increment_and_get(amount = 1)
  incrementby(amount)
end

#increment_if_less_than(threshold, amount = 1) ⇒ Object 



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# File 'lib/familia/data_type/types/counter.rb', line 15

def increment_if_less_than(threshold, amount = 1)
  current = to_i
  return false if current >= threshold

  incrementby(amount)
  true
end

#reset(val = 0) ⇒ Object

Enhanced counter semantics



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# File 'lib/familia/data_type/types/counter.rb', line 11

def reset(val = 0)
  set(val).to_s.eql?('OK')
end

#value ⇒ Object 



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# File 'lib/familia/data_type/types/counter.rb', line 32

def value
  super.to_i
end

#value=(val) ⇒ Object

Override to ensure integer serialization



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# File 'lib/familia/data_type/types/counter.rb', line 28

def value=(val)
  super(val.to_i)
end