Class: Tairu::Configuration

Inherits:
Object
  • Object
show all
Defined in:
lib/tairu/configuration.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(layers, cache, name = nil) ⇒ Configuration

Returns a new instance of Configuration.



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# File 'lib/tairu/configuration.rb', line 7

def initialize(layers, cache, name = nil)
  @layers = layers
  @cache = cache
  @name = name
end

Instance Attribute Details

#cache ⇒ Object

Returns the value of attribute cache.



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# File 'lib/tairu/configuration.rb', line 5

def cache
  @cache
end

#layers ⇒ Object

Returns the value of attribute layers.



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# File 'lib/tairu/configuration.rb', line 5

def layers
  @layers
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/tairu/configuration.rb', line 5

def name
  @name
end

Class Method Details

.config_from_file(file) ⇒ Object 



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# File 'lib/tairu/configuration.rb', line 13

def self.config_from_file(file)
  file = File.expand_path(file)

  if File.exists?(file)
    data = YAML.load_file(file)
  else
    raise 'Configuration file not found at specified location.'
  end

  name = data['name'] if data['name']

  if data['layers']
    layers = data['layers']
  else
    raise 'Layers must be specified.'
  end

  if data['cache'] && data['cache']['type']
    cache_type = data['cache']['type']
    options = data['cache']['options'] ? data['cache']['options'] : {}

    cache = start_cache(cache_type, options)
  end

  cache = Tairu::Cache::Memory.new if cache.nil?

  config = Configuration.new(layers, cache, name)

  config
end

.start_cache(cache_type = nil, options = nil) ⇒ Object 



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# File 'lib/tairu/configuration.rb', line 44

def self.start_cache(cache_type = nil, options = nil)
  if cache_type
    cache = Tairu::Cache::TYPES[cache_type].new(options)
  else
    cache = Tairu::Cache::Memory.new
  end

  cache
end