From 87fa8c2c74484d85da3f581929a603f31ecc92d0 Mon Sep 17 00:00:00 2001
From: mr <mr@mrautenberg.de>
Date: Wed, 9 Feb 2011 17:12:51 +0100
Subject: task with subtask from mguetlein

---
 lib/task.rb | 30 ++++++++++++++----------------
 1 file changed, 14 insertions(+), 16 deletions(-)

(limited to 'lib/task.rb')

diff --git a/lib/task.rb b/lib/task.rb
index 1a684df..7aa3dd5 100644
--- a/lib/task.rb
+++ b/lib/task.rb
@@ -107,20 +107,9 @@ module OpenTox
 
     
     def self.from_rdfxml(rdfxml)
-      file = Tempfile.new("ot-rdfxml")
-      file.puts rdfxml
-      file.close
-      file = "file://"+file.path
-       
-      # PENDING
-      raise "Parse from file not working: what is the base-object-uri??? (omitted in triples)"    
-          
-      parser = Parser::Owl::Generic.new file
-      metadata = parser.load_metadata
-      puts metadata.inspect
-      
-      task = Task.new(uri)
-      task.add_metadata(metadata)
+      owl = OpenTox::Parser::Owl.from_rdf(rdfxml, OT.Task)
+      task = Task.new(owl.uri)
+      task.add_metadata(owl.metadata)
       task
     end
 
@@ -149,7 +138,7 @@ module OpenTox
     end
     
     def cancel
-      RestClientWrapper.put(File.join(@uri,'Cancelled'))
+      RestClientWrapper.put(File.join(@uri,'Cancelled'),{:cannot_be => "empty"})
       load_metadata
     end
 
@@ -247,6 +236,7 @@ module OpenTox
     # @param [optional,Numeric] dur seconds pausing before cheking again for completion
     def wait_for_completion( waiting_task=nil, dur=0.3)
       
+      waiting_task.waiting_for(self.uri) if waiting_task
       due_to_time = Time.new + DEFAULT_TASK_MAX_DURATION
       LOGGER.debug "start waiting for task "+@uri.to_s+" at: "+Time.new.to_s+", waiting at least until "+due_to_time.to_s
       
@@ -262,7 +252,7 @@ module OpenTox
           raise "max wait time exceeded ("+DEFAULT_TASK_MAX_DURATION.to_s+"sec), task: '"+@uri.to_s+"'"
         end
       end
-      
+      waiting_task.waiting_for(nil) if waiting_task
       LOGGER.debug "Task '"+@metadata[OT.hasStatus].to_s+"': "+@uri.to_s+", Result: "+@metadata[OT.resultURI].to_s
     end
     
@@ -278,6 +268,10 @@ module OpenTox
       end
     end
     
+    def waiting_for(task_uri)
+      RestClientWrapper.put(File.join(@uri,'Running'),{:waiting_for => task_uri})
+    end
+    
     private
     def check_state
       begin
@@ -332,6 +326,10 @@ module OpenTox
       end
     end
     
+    def waiting_for(task_uri)
+      @task.waiting_for(task_uri)
+    end
+    
     def progress(pct)
       raise "no numeric >= 0 and <= 100 : '"+pct.to_s+"'" unless pct.is_a?(Numeric) and pct>=0 and pct<=100
       #puts "subtask := "+pct.to_s+" -> task := "+(@min + @delta * pct.to_f * 0.01).to_s
-- 
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