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Diffstat (limited to 'lib/utils/shims/feature.rb')
-rw-r--r-- | lib/utils/shims/feature.rb | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/lib/utils/shims/feature.rb b/lib/utils/shims/feature.rb deleted file mode 100644 index 9afa5c2..0000000 --- a/lib/utils/shims/feature.rb +++ /dev/null @@ -1,87 +0,0 @@ -=begin -* Name: feature.rb -* Description: Feature shims -* Author: Andreas Maunz <andreas@maunz.de> -* Date: 10/2012 -=end - -module OpenTox - - # Shims for the feature class - class Feature - - # Load a feature from URI - # @param [String] Feature URI - # @return [OpenTox::Feature] Feature object with the full data - def self.find(uri, subjectid=nil) - return nil unless uri - f = OpenTox::Feature.new uri, subjectid - f.get - f - end - - # Load or create a feature given its title and metadata - # Create it if: a) not present, or b) present, but differs in metadata - # Newly created features are stored at the backend - # @param[String] title Feature title - # @param[Hash] metadata Feature metadata - # @return [OpenTox::Feature] Feature object with the full data, or nil - def self.find_by_title(title, metadata) - metadata[RDF.type] = [] unless metadata[RDF.type] - metadata[RDF.type] << RDF::OT.Feature unless metadata[RDF.type].include?(RDF::OT.Feature) - metadata[RDF::DC.title] = title unless (metadata[RDF::DC.title]) - feature = feature_new = OpenTox::Feature.new(File.join($feature[:uri], SecureRandom.uuid), @subjectid) - feature_new.metadata = metadata - sparql = "SELECT DISTINCT ?feature WHERE { ?feature <#{RDF.type}> <#{RDF::OT['feature'.capitalize]}>. ?feature <#{RDF::DC.title}> '#{title.to_s}' }" - feature_uris = OpenTox::Backend::FourStore.query(sparql,"text/uri-list").split("\n") - features_equal = false # relevant also when no features found - feature_uris.each_with_index { |feature_uri,idx| - feature_existing = OpenTox::Feature.find(feature_uri, @subjectid) - if (feature_new.metadata.size+1 == feature_existing.metadata.size) # +1 due to title - features_equal = metadata.keys.collect { |predicate| - unless ( predicate == RDF::DC.title ) - if feature_new[predicate].class == feature_existing[predicate].class - case feature_new[predicate].class.to_s - when "Array" then (feature_new[predicate].sort == feature_existing[predicate].sort) - else (feature_new[predicate] == feature_existing[predicate]) - end - end - else - true - end - }.uniq == [true] - end - (feature=feature_existing and break) if features_equal - } - unless features_equal - feature_new.put - end - feature - end - - # Find out feature type - # Classification takes precedence - # @return [String] Feature type - def feature_type - bad_request_error "rdf type of feature '#{@uri}' not set" unless self[RDF.type] - if self[RDF.type].include?(OT.NominalFeature) - "classification" - elsif self[RDF.type].include?(OT.NumericFeature) - "regression" - else - "unknown" - end - end - - # Get accept values - # @param[String] Feature URI - # @return[Array] Accept values - def accept_values - accept_values = self[OT.acceptValue] - accept_values.sort if accept_values - accept_values - end - - end - -end |