1 files changed, 49 insertions, 0 deletions
diff --git a/feature_generation.rb b/feature_generation.rb
new file mode 100644
index 0000000..1bea0f3
--- /dev/null
+++ b/feature_generation.rb
@@ -0,0 +1,49 @@
+# Get list if pc descriptor calculation algorithms
+#
+# @return [text/uri-list] URIs of pc descriptor calculation algorithms
+get '/pcdesc' do
+algorithm = OpenTox::Algorithm::Generic.new(url_for('/pcdesc',:full))
+  algorithm.metadata = {
+    DC.title => 'Physico-chemical (PC) descriptor calculation',
+    DC.creator => "andreas@maunz.de, vorgrimmlerdavid@gmx.de",
+    RDF.type => [OT.Algorithm,OTA.PatternMiningSupervised],
+    OT.parameters => [
+      { DC.description => "Dataset URI", OT.paramScope => "mandatory", DC.title => "dataset_uri" },
+      { DC.description => "PC type", OT.paramScope => "mandatory", DC.title => "pc_type" },
+  ]
+  }
+  case request.env['HTTP_ACCEPT']
+  when /text\/html/
+    content_type "text/html"
+    OpenTox.text_to_html algorithm.to_yaml
+  when /application\/x-yaml/
+    content_type "application/x-yaml"
+    algorithm.to_yaml
+  else
+    response['Content-Type'] = 'application/rdf+xml'  
+    algorithm.to_rdfxml
+  end
+end
+
+# Run pc descriptor calculation algorithm on dataset
+#
+# @param [String] dataset_uri URI of the training dataset
+# @param [String] feature_dataset_uri URI of the feature dataset
+# @return [text/uri-list] Task URI
+post '/pcdesc' do
+  response['Content-Type'] = 'text/uri-list'
+  raise OpenTox::NotFoundError.new "Please submit a dataset_uri." unless params[:dataset_uri]
+  raise "No PC type given" unless params["pc_type"]
+
+  task = OpenTox::Task.create("PC descriptor calculation for dataset ", @uri) do |task|
+    types = params[:pc_type].split(",")
+    if types.include?("joelib")
+      Rjb.load(nil,["-Xmx64m"]) 
+      s = Rjb::import('JoelibFc')
+    end
+    OpenTox::Algorithm.pc_descriptors( { :dataset_uri => params[:dataset_uri], :pc_type => params[:pc_type], :rjb => s, :task => task } )
+  end
+  raise OpenTox::ServiceUnavailableError.newtask.uri+"\n" if task.status == "Cancelled"
+  halt 202,task.uri.to_s+"\n"
+end
+