Class: Metacrunch::Marcxml::Document::DatafieldSet

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/metacrunch/marcxml/document/datafield_set.rb

Instance Method Summary collapse

Constructor Details

#initialize(datafields) ⇒ DatafieldSet

Returns a new instance of DatafieldSet.



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# File 'lib/metacrunch/marcxml/document/datafield_set.rb', line 7

def initialize(datafields)
  @datafields = datafields || []
end

Instance Method Details

#each(&block) ⇒ Object 



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# File 'lib/metacrunch/marcxml/document/datafield_set.rb', line 11

def each(&block)
  @datafields.each(&block)
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/metacrunch/marcxml/document/datafield_set.rb', line 19

def empty?
  @datafields.empty?
end

#present? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/metacrunch/marcxml/document/datafield_set.rb', line 23

def present?
  !empty?
end

#subfields(code = nil) ⇒ Metacrunch::Marcxml::Document::SubfieldSet

Returns:



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# File 'lib/metacrunch/marcxml/document/datafield_set.rb', line 28

def subfields(code = nil)
  subfields = @datafields.map do |datafield|
    datafield.subfields(code).to_a
  end.flatten(1)

  Metacrunch::Marcxml::Document::SubfieldSet.new(subfields)
end

#to_a ⇒ Object 



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# File 'lib/metacrunch/marcxml/document/datafield_set.rb', line 15

def to_a
  @datafields
end