Class: Familia::Counter

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from DataType::Serialization

#deserialize_value, #deserialize_values, #deserialize_values_with_nil, #serialize_value

Methods included from DataType::Commands

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

Methods included from Base

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

Constructor Details

#initialize(*args) ⇒ Counter

Returns a new instance of Counter.



5
6
7
8
 
# 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.

Instance Method Details

#atomic_increment_and_get(amount = 1) ⇒ Object 



23
24
25
 
# 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 



15
16
17
18
19
20
21
 
# 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



11
12
13
 
# File 'lib/familia/data_type/types/counter.rb', line 11

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

#value ⇒ Object 



32
33
34
 
# File 'lib/familia/data_type/types/counter.rb', line 32

def value
  super.to_i
end

#value=(val) ⇒ Object

Override to ensure integer serialization



28
29
30
 
# File 'lib/familia/data_type/types/counter.rb', line 28

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