Class: Reality::Model::ModelElement

Inherits:
Object
  • Object
show all
Defined in:
lib/reality/model/model_element.rb

Overview

A descriptor describing a base type in the system model.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(repository, key, container_key, options) {|_self| ... } ⇒ ModelElement

Returns a new instance of ModelElement.

Yields:

  • (_self)

Yield Parameters:



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# File 'lib/reality/model/model_element.rb', line 20

def initialize(repository, key, container_key, options)
  Reality::Options.check(options, [:model_classname, :custom_initialize, :id_method, :access_method, :inverse_access_method], Reality::Model, 'create model element')
  @repository = repository
  @key = key.to_sym
  @model_classname = (options[:model_classname] || Reality::Naming.pascal_case(key)).to_sym

  @custom_initialize = options[:custom_initialize].nil? ? false : !!options[:custom_initialize]

  @id_method = (options[:id_method] || repository.default_id_method).to_sym
  @access_method = (options[:access_method] || Reality::Naming.pluralize(@key)).to_sym
  @inverse_access_method = (options[:inverse_access_method] || @key).to_sym
  @container_key = container_key.nil? ? nil : container_key.to_sym

  {
    :key => @key,
    :id_method => @id_method,
    :access_method => @access_method,
    :inverse_access_method => @inverse_access_method,
  }.each_pair do |attribute_name, value|
    unless Reality::Naming.underscore?(value)
      Reality::Model.error("Model Element '#{qualified_key}' has a #{attribute_name} '#{value}' that does not use the underscore naming pattern (i.e. The #{attribute_name} should be '#{Reality::Naming.underscore(value)}').")
    end
  end

  unless Reality::Naming.pascal_case?(@model_classname)
    Reality::Model.error("Model Element '#{qualified_key}' has a model_classname '#{@model_classname}' that does not use the pascal case naming pattern (i.e. The model_classname should be '#{Reality::Naming.pascal_case(@model_classname)}').")
  end

  if @container_key && !repository.model_element_by_key?(@container_key)
    Reality::Model.error("Model Element '#{qualified_key}' defines container as '#{@container_key}' but no such model element exists.")
  end

  @repository.send(:register_model_element, self)

  yield self if block_given?
end

Instance Attribute Details

#access_method ⇒ Object (readonly)

Returns the value of attribute access_method.



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# File 'lib/reality/model/model_element.rb', line 62

def access_method
  @access_method
end

#container_key ⇒ Object (readonly)

Returns the value of attribute container_key.



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# File 'lib/reality/model/model_element.rb', line 59

def container_key
  @container_key
end

#id_method ⇒ Object (readonly)

Returns the value of attribute id_method.



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# File 'lib/reality/model/model_element.rb', line 61

def id_method
  @id_method
end

#inverse_access_method ⇒ Object (readonly)

Returns the value of attribute inverse_access_method.



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# File 'lib/reality/model/model_element.rb', line 63

def inverse_access_method
  @inverse_access_method
end

#key ⇒ Object (readonly)

Returns the value of attribute key.



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# File 'lib/reality/model/model_element.rb', line 58

def key
  @key
end

#model_classname ⇒ Object (readonly)

Returns the value of attribute model_classname.



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# File 'lib/reality/model/model_element.rb', line 60

def model_classname
  @model_classname
end

#repository ⇒ Object (readonly)

Returns the value of attribute repository.



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# File 'lib/reality/model/model_element.rb', line 57

def repository
  @repository
end

Instance Method Details

#custom_initialize? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/reality/model/model_element.rb', line 65

def custom_initialize?
  @custom_initialize
end

#model ⇒ Object 



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# File 'lib/reality/model/model_element.rb', line 73

def model
  self.repository.model_container.const_get(self.model_classname)
end

#qualified_key ⇒ Object 



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# File 'lib/reality/model/model_element.rb', line 69

def qualified_key
  "#{repository.key}.#{self.key}"
end