Module: Nutella::Persist

Defined in:
lib/nutella_lib/persist.rb

Overview

Implements basic run-dependent persistence for run-level components

Class Method Summary collapse

Class Method Details

.get_json_collection_store(name) ⇒ JSONFilePersistedCollection

This method returns a JSON-file-backed store (i.e. persistence) for a collection (i.e. an Array)

Parameters:

  • name (String) —

    the name of the store

Returns:



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# File 'lib/nutella_lib/persist.rb', line 35

def self.get_json_collection_store( name )
  dir_path = "data/#{Nutella.run_id}"
  file_path = "data/#{Nutella.run_id}/#{name}.json"
  FileUtils.mkdir_p dir_path
  JSONFilePersistedCollection.new file_path
end

.get_json_object_store(name) ⇒ JSONFilePersistedHash

This method returns a JSON-file-backed store (i.e. persistence) for a single object (i.e. an Hash)

Parameters:

  • name (String) —

    the name of the store

Returns:



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# File 'lib/nutella_lib/persist.rb', line 46

def self.get_json_object_store( name )
  dir_path = "data/#{Nutella.run_id}"
  file_path = "data/#{Nutella.run_id}/#{name}.json"
  FileUtils.mkdir_p dir_path
  JSONFilePersistedHash.new file_path
end

.get_mongo_collection_store(name) ⇒ MongoPersistedCollection

This method returns a MongoDB-backed store (i.e. persistence) for a collection (i.e. an Array)

Parameters:

  • name (String) —

    the name of the store

Returns:



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# File 'lib/nutella_lib/persist.rb', line 17

def self.get_mongo_collection_store( name )
  collection = "#{Nutella.run_id}/#{name}"
  MongoPersistedCollection.new Nutella.mongo_host, Nutella.app_id, collection
end

.get_mongo_object_store(name) ⇒ MongoPersistedHash

This method returns a MongoDB-backed store (i.e. persistence) for a single object (i.e. an Hash)

Parameters:

  • name (String) —

    the name of the store

Returns:



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# File 'lib/nutella_lib/persist.rb', line 26

def self.get_mongo_object_store( name )
  doc_id = "#{Nutella.run_id}/#{name}"
  MongoPersistedHash.new Nutella.mongo_host, Nutella.app_id, 'run_persisted_hashes', doc_id
end