lib/ruote/engine/process_status.rb in ruote-2.1.4 vs lib/ruote/engine/process_status.rb in ruote-2.1.5

@@ -45,13 +45,15 @@
 
     def initialize (context, expressions, errors)
 
       @expressions = expressions.collect { |e|
         Ruote::Exp::FlowExpression.from_h(context, e) }
+      @expressions.sort! { |a, b| a.fei.expid <=> b.fei.expid }
 
       @errors = errors.collect { |e|
         ProcessError.new(e) }
+      @errors.sort! { |a, b| a.fei.expid <=> b.fei.expid }
     end
 
     # Returns the expression at the root of the process instance.
     #
     def root_expression
@@ -98,11 +100,15 @@
 
     # Returns the unique identifier for this process instance.
     #
     def wfid
 
-      root_expression.fei.wfid
+      begin
+        root_expression.fei.wfid
+      rescue
+        @errors.first.fei.wfid
+      end
     end
 
     def definition_name
 
       root_expression.attribute('name') || root_expression.attribute_text
@@ -142,13 +148,24 @@
       @expressions.each do |e|
         s << "     #{e.fei.to_storage_id} : #{e}\n"
       end
       s << "   errors : #{@errors.size}\n"
       @errors.each do |e|
+        s << "     #{e.fei.to_storage_id} :\n" if e.fei
         s << "     #{e.inspect}\n"
       end
 
       s
+    end
+
+    def to_dot (opts={})
+
+      s = [ "digraph \"process wfid #{wfid}\" {" ]
+      @expressions.each { |e| s.push(*e.send(:to_dot, opts)) }
+      @errors.each { |e| s.push(*e.send(:to_dot, opts)) }
+      s << "}"
+
+      s.join("\n")
     end
 
     def to_h
 
       h = {}