Class: RDFObject::IndexSet

Inherits:
Object
  • Object
show all
Defined in:
lib/rdf_objects/pho/index_set.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(store_name = nil) ⇒ IndexSet

Returns a new instance of IndexSet.



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# File 'lib/rdf_objects/pho/index_set.rb', line 48

def initialize(store_name=nil)
  @fields = {}
  @store = nil
end

Class Method Details

.new_from_response(fpmap, qp) ⇒ Object 



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# File 'lib/rdf_objects/pho/index_set.rb', line 96

def self.new_from_response(fpmap, qp)
  index_set = self.new(fpmap.uri.sub("/config/fpmaps/1",""))
  [*fpmap["http://schemas.talis.com/2006/frame/schema#mappedDatatypeProperty"]].each do |field|
    next unless field
    index = RDFObject::Index.new
    index.set_name(field["http://schemas.talis.com/2006/frame/schema#name"].to_s)
    index.set_property(field["http://schemas.talis.com/2006/frame/schema#property"].resource)
    if field["http://schemas.talis.com/2006/bigfoot/configuration#analyzer"]
      index.set_analyzer(field["http://schemas.talis.com/2006/bigfoot/configuration#analyzer"].resource)
    end
    index_set << index
  end
  
  [*qp["http://schemas.talis.com/2006/bigfoot/configuration#fieldWeight"]].each do |weight|
    next unless weight
    name = weight["http://schemas.talis.com/2006/frame/schema#name"].to_s
    index = index_set.get_index(name)
    unless index
      puts "Warn:  discarding #{name} - does not appear in field/predicate map."
      next
    end
    index.set_weight(weight["http://schemas.talis.com/2006/bigfoot/configuration#weight"].value)
  end
  return index_set
end

Instance Method Details

#<<(index) ⇒ Object 



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# File 'lib/rdf_objects/pho/index_set.rb', line 53

def <<(index)
  @fields[index.name] = index
end

#get_index(name) ⇒ Object 



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# File 'lib/rdf_objects/pho/index_set.rb', line 58

def get_index(name)
  return @fields[name]
end

#set_store(store_name) ⇒ Object 



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# File 'lib/rdf_objects/pho/index_set.rb', line 62

def set_store(store_name)
  @store = store_name
end

#to_fpmap ⇒ Object 



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# File 'lib/rdf_objects/pho/index_set.rb', line 67

def to_fpmap
  raise unless @store
  fpmap = RDFObject::Resource.new("#{@store}/config/fpmaps/1")
  fpmap.relate("[rdf:type]","http://schemas.talis.com/2006/bigfoot/configuration#FieldPredicateMap")
  @fields.values.each do |index|
    field = RDFObject::Resource.new("#{fpmap.uri}##{index.name}")
    field.relate("http://schemas.talis.com/2006/frame/schema#property", index.property)
    field.assert("http://schemas.talis.com/2006/frame/schema#name", index.name)
    if index.analyzer
      field.relate("http://schemas.talis.com/2006/bigfoot/configuration#analyzer", index.analyzer)
    end
    fpmap.relate("http://schemas.talis.com/2006/frame/schema#mappedDatatypeProperty", field)
  end
  fpmap
end

#to_qp ⇒ Object 



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# File 'lib/rdf_objects/pho/index_set.rb', line 83

def to_qp
  raise unless @store
  qp = RDFObject::Resource.new("#{@store}/config/queryprofiles/1")
  qp.relate("[rdf:type]", "http://schemas.talis.com/2006/bigfoot/configuration#QueryProfile")
  @fields.values.each do |index|
    next unless index.weight
    weight = RDFObject::Resource.new("#{qp.uri}##{index.name}")
    weight.assert("http://schemas.talis.com/2006/bigfoot/configuration#weight", index.weight.to_s)
    weight.assert("http://schemas.talis.com/2006/frame/schema#name", index.name)
  end
  qp
end