Class: Blendris::RedisInteger

Inherits:
RedisNode show all
Defined in:
lib/blendris/integer.rb

Overview

RedisInteger is a string-value in Redis wrapped up to make sure that it is used as an integer.

Instance Attribute Summary

Attributes inherited from RedisNode

#key

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from RedisNode

#clear, #exists?, #get, #initialize, #notify_changed, #rename, #set, #type

Methods included from RedisAccessor

#generate_key, #in_temporary_set, redis, #redis

Methods included from Utils

#blank, #camelize, #constantize, #pairify, #sanitize_key

Constructor Details

This class inherits a constructor from Blendris::RedisNode

Class Method Details

.cast_from_redis(value, options = {}) ⇒ Object 



14
15
16
 
# File 'lib/blendris/integer.rb', line 14

def self.cast_from_redis(value, options = {})
  value.to_i if value
end

.cast_to_redis(value, options = {}) ⇒ Object

Raises:

  • (TypeError) 


8
9
10
11
12
 
# File 'lib/blendris/integer.rb', line 8

def self.cast_to_redis(value, options = {})
  raise TypeError.new("#{value.class.name} is not an integer") unless value.kind_of? Fixnum

  value.to_s
end

Instance Method Details

#decrement ⇒ Object 



24
25
26
27
28
 
# File 'lib/blendris/integer.rb', line 24

def decrement
  redis.decr key
ensure
  notify_changed
end

#increment ⇒ Object 



18
19
20
21
22
 
# File 'lib/blendris/integer.rb', line 18

def increment
  redis.incr key
ensure
  notify_changed
end