Class: Census::DataType

Inherits:
Object
  • Object
show all
Defined in:
lib/census/data_type.rb

Constant Summary collapse

@@data_types = 
[]

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, options) ⇒ DataType

Returns a new instance of DataType.



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# File 'lib/census/data_type.rb', line 22

def initialize(name, options)
  @name = name
  @sql_transform  = options[:sql_transform] || lambda {|column_name| "#{column_name}"}
  @format_data    = options[:format_data]   || lambda {|data| data}
  @validate_data  = options[:validate_data] || lambda {|data| nil}
end

Instance Attribute Details

#format_data ⇒ Object

Returns the value of attribute format_data.



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# File 'lib/census/data_type.rb', line 5

def format_data
  @format_data
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/census/data_type.rb', line 3

def name
  @name
end

#sql_transform ⇒ Object

Returns the value of attribute sql_transform.



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# File 'lib/census/data_type.rb', line 4

def sql_transform
  @sql_transform
end

#validate_data ⇒ Object

Returns the value of attribute validate_data.



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# File 'lib/census/data_type.rb', line 6

def validate_data
  @validate_data
end

Class Method Details

.all ⇒ Object 



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# File 'lib/census/data_type.rb', line 10

def self.all
  @@data_types
end

.define(name, options = {}) ⇒ Object 



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# File 'lib/census/data_type.rb', line 14

def self.define(name, options = {})
  @@data_types << DataType.new(name, options)
end

.find(name) ⇒ Object 



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# File 'lib/census/data_type.rb', line 18

def self.find(name)
  @@data_types.select {|dt| dt.name == name}.try(:first)
end

Instance Method Details

#to_s ⇒ Object 



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# File 'lib/census/data_type.rb', line 29

def to_s
  @name
end