Class: Cache::Client

Inherits:
Object
  • Object
show all
Defined in:
lib/cache-client.rb,
lib/cache-client.rb,
lib/cache-client/error.rb,
lib/cache-client/utils.rb,
lib/cache-client/version.rb,
lib/cache-client/key_builder.rb

Defined Under Namespace

Classes: Error, KeyBuilder, Utils

Constant Summary collapse

VERSION = 
"0.0.4"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(backend, *args) ⇒ Client

Returns a new instance of Client.



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# File 'lib/cache-client.rb', line 15

def initialize(backend, *args)
  backend = Cache::Backend::NoopBackend if !args.empty? && args.compact.empty?
  @backend = backendify(backend).new(*args)
end

Instance Attribute Details

#backend ⇒ Object (readonly)

Returns the value of attribute backend.



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# File 'lib/cache-client.rb', line 14

def backend
  @backend
end

Instance Method Details

#fetch(key) ⇒ Object 



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# File 'lib/cache-client.rb', line 28

def fetch(key)
  existing_value = get(key)
  return existing_value if existing_value
  set(key, yield)
end

#get(key) ⇒ Object 



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# File 'lib/cache-client.rb', line 24

def get(key)
  @backend.get(keyify(key))
end

#set(key, value) ⇒ Object 



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# File 'lib/cache-client.rb', line 20

def set(key, value)
  @backend.set(keyify(key), value)
end