Class: Pho::Update::LiteralStatement

Inherits:
Statement
  • Object
show all
Defined in:
lib/pho/changeset.rb

Instance Attribute Summary collapse

Attributes inherited from Statement

#object, #predicate, #subject

Instance Method Summary collapse

Methods inherited from Statement

create_literal, create_resource, #to_rdf

Constructor Details

#initialize(subject, predicate, object, language = nil, datatype = nil) ⇒ LiteralStatement

Create a Statement referring to a literal. Can have one of lang or datatype but not both

subject

URI of subject of triple

predicate

URI of predicate of triple

object

literal value

lang

language for literal

datatype

datatype for literal



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# File 'lib/pho/changeset.rb', line 86

def initialize(subject, predicate, object, language=nil, datatype=nil)
  super(subject, predicate, object)
  if language != nil && datatype != nil
    raise "Cannot specify both language and datatype for a literal"
  end         
  @language = language
  @datatype = datatype
end

Instance Attribute Details

#datatype ⇒ Object (readonly)

Datatype for literals



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# File 'lib/pho/changeset.rb', line 77

def datatype
  @datatype
end

#language ⇒ Object (readonly)

Language for literals



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# File 'lib/pho/changeset.rb', line 75

def language
  @language
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/pho/changeset.rb', line 95

def ==(other)
 if other == nil
   return false
 end
 return @subject == other.subject &&
        @predicate == other.predicate &&
        @object == other.object &&
        @lang == other.language &&
        @datatype == other.datatype
end