Class: FunWith::Configurations::TryObject

Inherits:
Object
  • Object
show all
Defined in:
lib/fun_with/configurations/try_object.rb

Instance Method Summary collapse

Constructor Details

#initialize(config) ⇒ TryObject

takes a Config object



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# File 'lib/fun_with/configurations/try_object.rb', line 17

def initialize( config )
  @config  = config
  @success = true
  @leaf    = false
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args) ⇒ Object 



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# File 'lib/fun_with/configurations/try_object.rb', line 23

def method_missing( method, *args )
  follow_config_method_chain( method )
end

Instance Method Details

#[](method_key) ⇒ Object 



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# File 'lib/fun_with/configurations/try_object.rb', line 27

def [] method_key
  follow_config_method_chain( method_key.to_sym )
end

#config_method_chain_result(*keys) ⇒ Object 



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# File 'lib/fun_with/configurations/try_object.rb', line 48

def config_method_chain_result( *keys )
  keys = keys.flatten
  
  if success?
    keys.each do |k|
      follow_config_method_chain(k)
    end
  end
  
  TryResult.new( @config, success? )
end

#follow_config_method_chain(method) ⇒ Object 



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# File 'lib/fun_with/configurations/try_object.rb', line 31

def follow_config_method_chain( method )
  if @success == true
    if @config.is_a?(Config) && @config.has_key?(method)
      @config = @config[method]
      unless @config.is_a?(Config)
        @leaf = true
      end
    elsif @leaf
      @leaf = false   # declare unsuccessful on next call.
    else
      @success = false
    end
  end
  
  self
end

#success? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fun_with/configurations/try_object.rb', line 60

def success?
  @success
end