Class: Ethel::Source

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/ethel/source.rb

Direct Known Subclasses

Ethel::Sources::CSV

Instance Method Summary collapse

Instance Method Details

#all ⇒ Object 



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# File 'lib/ethel/source.rb', line 24

def all
  to_a
end

#each ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/ethel/source.rb', line 9

def each
  raise NotImplementedError
end

#field_names ⇒ Object 



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# File 'lib/ethel/source.rb', line 13

def field_names
  schema.collect(&:first)
end

#fields ⇒ Object 



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# File 'lib/ethel/source.rb', line 17

def fields
  @fields ||= schema.inject({}) do |hash, (name, options)|
    hash[name] = Field.new(name, options)
    hash
  end
end

#schema ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/ethel/source.rb', line 5

def schema
  raise NotImplementedError
end