storage_manager.litcoffee

Query = require('./query')

class StorageManager

  constructor: (graph, configuration_uri) ->
    @graph = graph
    @configuration = uri: configuration_uri
    @parse_configuration_uri(configuration_uri)
    @load_driver()
    @instantiate_database()

  parse_configuration_uri: (configuration_uri) ->
    [driver, rest] = configuration_uri.split('://')
    [host, database] = rest.split('/')
    @configuration.driver = driver
    @configuration.host = host
    @configuration.database = database

  load_driver: () ->
    @driver = require('./'+@configuration.driver+'_storage')

  instantiate_database: () ->
    @db = @database = new @driver(@configuration.uri)

  __noSuchMethod__: (method, args...) ->
    if @driver
      @instantiate_database() unless @database
      @database.method.apply(null, args...)

module.exports = StorageManager