Class: ExportToGcloud::Exporter::Definition

Inherits:
OpenStruct
  • Object
show all
Defined in:
lib/export_to_gcloud/exporter/definition.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(exporter_type, attrs) ⇒ Definition

Returns a new instance of Definition.



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# File 'lib/export_to_gcloud/exporter/definition.rb', line 3

def initialize exporter_type, attrs
  super attrs.merge!(type: exporter_type)
end

Class Method Details

.load_definition(name, finder) ⇒ Object 



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# File 'lib/export_to_gcloud/exporter/definition.rb', line 30

def self.load_definition name, finder
  file_path = finder.call name
  load file_path
  definition = @last_definition
  @last_definition = nil

  unless definition
    raise("File #{file_path.to_s} must define exporter for '#{name}'!")
  end

  unless definition.name == name
    raise "File #{file_path.to_s} defines '#{definition.name}' instead of '#{name}'"
  end

  definition
end

.set_last_definition(klass, attrs = {}, &block) ⇒ Object 



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# File 'lib/export_to_gcloud/exporter/definition.rb', line 22

def self.set_last_definition klass, attrs={}, &block
  last_definition = new klass, attrs
  block.call last_definition if block

  last_definition.validate!
  @last_definition = last_definition
end

Instance Method Details

#get_bq_table_name ⇒ Object 



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# File 'lib/export_to_gcloud/exporter/definition.rb', line 18

def get_bq_table_name
  bq_table_name || name
end

#get_data(*args) ⇒ Object 



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# File 'lib/export_to_gcloud/exporter/definition.rb', line 14

def get_data *args
  Proc === data ? data.call(*args) : data
end

#validate! ⇒ Object 



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# File 'lib/export_to_gcloud/exporter/definition.rb', line 7

def validate!
  (String === name && !name.empty?)   || raise('`name` must be defined!')
  Proc === bq_schema                  || raise('`bq_schema` must be defined as a Proc!')
  data                                || raise('`data` must be defined!')
  type.validate_definition! self if type.respond_to? 'validate_definition!'
end