Class: Orchestrate::Application::SimpleCacheStore

Inherits:
Object
  • Object
show all
Defined in:
lib/orchestrate_application/simple_cache_store.rb

Overview

When enabled, the cache mechanism:

* is useful for development/testing, minimizing calls to the server.
* is updated upon each GET or PUT request.
* remains active for the lifespan of the application.

Constant Summary collapse

@@instance = 
SimpleCacheStore.new

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ SimpleCacheStore

Returns a new instance of SimpleCacheStore.



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# File 'lib/orchestrate_application/simple_cache_store.rb', line 130

def initialize
  @@is_enabled ||= false
  @@cache ||= simple_cache_init
  # puts "SC-init: cache -> '#{@@cache}', '#{!@@cache.nil?}'"
  @@refs ||= {}
end

Class Method Details

.disable ⇒ Object 



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# File 'lib/orchestrate_application/simple_cache_store.rb', line 156

def self.disable
  puts "SC-DISABLE"
  @@is_enabled = false
end

.enable ⇒ Object 



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# File 'lib/orchestrate_application/simple_cache_store.rb', line 150

def self.enable
  puts "SC-ENABLE"
  @@is_enabled = true
  # puts "SIMPLE-CACHE has been DISABLED for the current version."
end

.instance ⇒ Object 



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# File 'lib/orchestrate_application/simple_cache_store.rb', line 145

def self.instance
  @@cache ||= @@instance.simple_cache_init
  @@instance
end

Instance Method Details

#cache ⇒ Object 



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# File 'lib/orchestrate_application/simple_cache_store.rb', line 167

def cache
  @@cache
end

#disable ⇒ Object 



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# File 'lib/orchestrate_application/simple_cache_store.rb', line 210

def disable
  self.class.disable
end

#enable ⇒ Object 



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# File 'lib/orchestrate_application/simple_cache_store.rb', line 206

def enable
  self.class.enable
end

#fetch(collection, key) ⇒ Object 



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# File 'lib/orchestrate_application/simple_cache_store.rb', line 198

def fetch(collection, key)
  get_cc(collection).fetch(key)
end

#flush!(collection = nil) ⇒ Object 



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# File 'lib/orchestrate_application/simple_cache_store.rb', line 171

def flush!(collection=nil)
  if collection
    get_cc(collection).flush!
  else
    @@cache = simple_cache_init
  end
end

#get_cache_collection(name) ⇒ Object 



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# File 'lib/orchestrate_application/simple_cache_store.rb', line 179

def get_cache_collection(name)
  cache[name]
end

#get_cc(name) ⇒ Object 



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# File 'lib/orchestrate_application/simple_cache_store.rb', line 183

def get_cc(name)
  get_cache_collection name
end

#get_ref(collection_name, key) ⇒ Object 



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# File 'lib/orchestrate_application/simple_cache_store.rb', line 194

def get_ref(collection_name, key)
  get_cc(collection_name).get_ref key
end

#is_enabled? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/orchestrate_application/simple_cache_store.rb', line 202

def is_enabled?
  @@is_enabled
end

#save(document) ⇒ Object 



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# File 'lib/orchestrate_application/simple_cache_store.rb', line 187

def save(document)
  m = document.metadata
  get_cc(m.from_collection).save_graph(m) if m.respond_to? :kind and m.kind
  get_cc(m.collection).save m
  SimpleCacheRefs.instance.save m.ref, document
end

#simple_cache_init ⇒ Object 



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# File 'lib/orchestrate_application/simple_cache_store.rb', line 137

def simple_cache_init
  cache = Hash[Schema.instance.collection_names.map { |name|
    [name, SimpleCacheCollection.new(name)]
  }]
  # puts "SC-sc_init -> '#{cache}', is_enabled -> '#{@@is_enabled}'"
  cache == {} ? nil : cache
end