Class: Hygroscope::ParamSet

Inherits:
Object
  • Object
show all
Defined in:
lib/hygroscope/paramset.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name = nil) ⇒ ParamSet

Returns a new instance of ParamSet.



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# File 'lib/hygroscope/paramset.rb', line 11

def initialize(name = nil)
  @parameters = {}
  @path = File.join(Dir.pwd, 'paramsets')

  return unless name

  @name = name
  load!
end

Instance Attribute Details

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/hygroscope/paramset.rb', line 8

def name
  @name
end

#parameters ⇒ Object (readonly)

Returns the value of attribute parameters.



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# File 'lib/hygroscope/paramset.rb', line 9

def parameters
  @parameters
end

#path ⇒ Object

Returns the value of attribute path.



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# File 'lib/hygroscope/paramset.rb', line 8

def path
  @path
end

Instance Method Details

#get(key) ⇒ Object 



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# File 'lib/hygroscope/paramset.rb', line 38

def get(key)
  @parameters[key]
end

#load! ⇒ Object

Raises:



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# File 'lib/hygroscope/paramset.rb', line 21

def load!
  files = Dir.glob(File.join(@path, @name + '.{yml,yaml}'))

  raise Hygroscope::ParamSetNotFoundError if files.empty?

  @file = files.first
  @parameters = YAML.load_file(@file)
end

#save! ⇒ Object 



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# File 'lib/hygroscope/paramset.rb', line 30

def save!
  # If this is a new paramset, construct a filename
  savefile = @file || File.join(@path, @name + '.yaml')
  File.open(savefile, 'w') do |f|
    YAML.dump(@parameters, f)
  end
end

#set(key, value, use_previous_value: false) ⇒ Object 



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# File 'lib/hygroscope/paramset.rb', line 42

def set(key, value, use_previous_value: false)
  @parameters[key] = if use_previous_value
                       'HYGROSCOPE_USE_PREVIOUS_VALUE'
                     else
                       value
                     end
end