Class: Mitie::BinaryRelationDetector

Inherits:
Object
  • Object
show all
Defined in:
lib/mitie/binary_relation_detector.rb

Instance Method Summary collapse

Constructor Details

#initialize(path = nil, pointer: nil) ⇒ BinaryRelationDetector

Returns a new instance of BinaryRelationDetector.



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# File 'lib/mitie/binary_relation_detector.rb', line 3

def initialize(path = nil, pointer: nil)
  if path
    # better error message
    raise ArgumentError, "File does not exist" unless File.exist?(path)
    @pointer = FFI.mitie_load_binary_relation_detector(path)
  elsif pointer
    @pointer = pointer
  else
    raise ArgumentError, "Must pass either a path or a pointer"
  end

  ObjectSpace.define_finalizer(self, self.class.finalize(pointer))
end

Instance Method Details

#name ⇒ Object 



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# File 'lib/mitie/binary_relation_detector.rb', line 17

def name
  FFI.mitie_binary_relation_detector_name_string(pointer).to_s
end

#relations(doc) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/mitie/binary_relation_detector.rb', line 21

def relations(doc)
  raise ArgumentError, "Expected Mitie::Document, not #{doc.class.name}" unless doc.is_a?(Document)

  entities = doc.entities
  combinations = []
  (entities.size - 1).times do |i|
    combinations << [entities[i], entities[i + 1]]
    combinations << [entities[i + 1], entities[i]]
  end

  relations = []
  combinations.each do |entity1, entity2|
    relation = extract_relation(doc, entity1, entity2)
    relations << relation if relation
  end
  relations
end

#save_to_disk(filename) ⇒ Object 



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# File 'lib/mitie/binary_relation_detector.rb', line 39

def save_to_disk(filename)
  if FFI.mitie_save_binary_relation_detector(filename, pointer) != 0
    raise Error, "Unable to save detector"
  end
  nil
end