Class: NcsNavigator::Warehouse::TableModeler

Inherits:
Object
  • Object
show all
Defined in:
lib/ncs_navigator/warehouse/table_modeler.rb

Constant Summary collapse

VERSION_CHAR_TO_MODULE_NAME_PART = 
{
  '.' => 'Point'
}.merge(
  Hash[(0..9).to_a.collect(&:to_s).zip(%w(Zero One Two Three Four Five Six Seven Eight Nine))]
)

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(tables, version_string, specification_version_string, options = {}) ⇒ TableModeler

Returns a new instance of TableModeler.



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# File 'lib/ncs_navigator/warehouse/table_modeler.rb', line 16

def initialize(tables, version_string, specification_version_string, options={})
  @tables = tables
  @mdes_version = version_string
  @mdes_specification_version = specification_version_string
  @module_name = options.delete(:module).try(:to_s) or fail 'Please specify a target module'
  @path = options.delete(:path) or fail 'Please specify a path to which to generate the files'
  @path = File.join(path, module_name.underscore)
  @generated_files = []
  @generated_requires = []
end

Instance Attribute Details

#mdes_specification_version ⇒ Object (readonly)

Returns the value of attribute mdes_specification_version.



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# File 'lib/ncs_navigator/warehouse/table_modeler.rb', line 14

def mdes_specification_version
  @mdes_specification_version
end

#mdes_version ⇒ Object (readonly)

Returns the value of attribute mdes_version.



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# File 'lib/ncs_navigator/warehouse/table_modeler.rb', line 13

def mdes_version
  @mdes_version
end

#module_name ⇒ Object (readonly)

Returns the value of attribute module_name.



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# File 'lib/ncs_navigator/warehouse/table_modeler.rb', line 11

def module_name
  @module_name
end

#path ⇒ Object (readonly)

Returns the value of attribute path.



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# File 'lib/ncs_navigator/warehouse/table_modeler.rb', line 10

def path
  @path
end

#tables ⇒ Object (readonly)

Returns the value of attribute tables.



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# File 'lib/ncs_navigator/warehouse/table_modeler.rb', line 12

def tables
  @tables
end

Class Method Details

.for_version(version_string, options = {}) ⇒ Object 



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# File 'lib/ncs_navigator/warehouse/table_modeler.rb', line 28

def for_version(version_string, options={})
  mdes = NcsNavigator::Mdes(version_string)
  module_name = [self.name.split('::')[0..-2], 'Models', version_module_name(version_string)].
    flatten.join('::')

  TableModeler.new(mdes.transmission_tables, version_string, mdes.specification_version,
    :module => module_name, :path => options[:path])
end

.version_module_name(version_string) ⇒ String

Returns the name of the module to use or create for the given version.

Returns:

  • (String) —

    the name of the module to use or create for the given version.



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# File 'lib/ncs_navigator/warehouse/table_modeler.rb', line 45

def version_module_name(version_string)
  version_string.split('').collect { |c| VERSION_CHAR_TO_MODULE_NAME_PART[c] }.join('')
end

Instance Method Details

#generate! ⇒ Object 



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# File 'lib/ncs_navigator/warehouse/table_modeler.rb', line 60

def generate!
  FileUtils.mkdir_p path

  generate_models!
  generate_main_library_file!
end

#load! ⇒ Object 



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# File 'lib/ncs_navigator/warehouse/table_modeler.rb', line 55

def load!
  generate!
  @generated_files.each { |f| load f }
end

#model! ⇒ Object 



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# File 'lib/ncs_navigator/warehouse/table_modeler.rb', line 50

def model!
  load!
  ::DataMapper.finalize
end