Class: TrailGuide::Adapters::Variants::Redis

Inherits:
Object
  • Object
show all
Defined in:
lib/trail_guide/adapters/variants/redis.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(variant, redis: nil) ⇒ Redis

Returns a new instance of Redis.



8
9
10
11
 
# File 'lib/trail_guide/adapters/variants/redis.rb', line 8

def initialize(variant, redis: nil)
  @variant = variant
  @redis = redis
end

Instance Attribute Details

#variant ⇒ Object (readonly)

Returns the value of attribute variant.



5
6
7
 
# File 'lib/trail_guide/adapters/variants/redis.rb', line 5

def variant
  @variant
end

Instance Method Details

#delete(attr) ⇒ Object 



34
35
36
 
# File 'lib/trail_guide/adapters/variants/redis.rb', line 34

def delete(attr)
  redis.hdel(storage_key, attr.to_s)
end

#destroy ⇒ Object 



46
47
48
 
# File 'lib/trail_guide/adapters/variants/redis.rb', line 46

def destroy
  redis.del(storage_key)
end

#exists?(attr) ⇒ Boolean

Returns:

  • (Boolean) 


38
39
40
 
# File 'lib/trail_guide/adapters/variants/redis.rb', line 38

def exists?(attr)
  redis.hexists(storage_key, attr.to_s)
end

#get(attr) ⇒ Object 



17
18
19
 
# File 'lib/trail_guide/adapters/variants/redis.rb', line 17

def get(attr)
  redis.hget(storage_key, attr.to_s)
end

#increment(attr, cnt = 1) ⇒ Object 



30
31
32
 
# File 'lib/trail_guide/adapters/variants/redis.rb', line 30

def increment(attr, cnt=1)
  redis.hincrby(storage_key, attr.to_s, cnt)
end

#persisted? ⇒ Boolean

Returns:

  • (Boolean) 


42
43
44
 
# File 'lib/trail_guide/adapters/variants/redis.rb', line 42

def persisted?
  redis.exists(storage_key)
end

#redis ⇒ Object 



13
14
15
 
# File 'lib/trail_guide/adapters/variants/redis.rb', line 13

def redis
  @redis ||= TrailGuide.redis
end

#set(attr, val) ⇒ Object 



21
22
23
24
 
# File 'lib/trail_guide/adapters/variants/redis.rb', line 21

def set(attr, val)
  redis.hset(storage_key, attr.to_s, val.to_s)
  val.to_s
end

#setnx(attr, val) ⇒ Object 



26
27
28
 
# File 'lib/trail_guide/adapters/variants/redis.rb', line 26

def setnx(attr, val)
  val.to_s if redis.hsetnx(storage_key, attr.to_s, val.to_s)
end