make simulation class configurable.

dream/platform/__init__.py

@@ -27,8 +27,6 @@ import logging
 from flask import Flask, jsonify, redirect, url_for
 from flask import request
 
-from dream.simulation.LineGenerationJSON import main as simulate_line_json
-
 app = Flask(__name__)
 # Serve static file with no cache
 app.config['SEND_FILE_MAX_AGE_DEFAULT'] = 0
@@ -111,7 +109,10 @@ def runSimulation():
 
 def _runSimulation(parameter_dict, queue):
   try:
-    result = simulate_line_json(input_data=json.dumps(parameter_dict))
+    klass_name = 'dream.simulation.%s' % \
+      parameter_dict['general']['simulationClass']
+    klass = __import__(klass_name, globals(), {}, klass_name)
+    result = klass.Simulation().run(parameter_dict)
     queue.put(dict(success=json.loads(result)))
   except Exception, e:
     tb = traceback.format_exc()

dream/platform/static/src/dream_launcher.js

@@ -101,6 +101,12 @@
         _class: "Dream.Property",
         _default: "1"
       },
+      simulationClass: {
+        id: "simulationClass",
+        type: "string",
+        _class: "Dream.Property",
+        _default: "Default"
+      },
       numberOfReplications: {
         id: "numberOfReplications",
         type: "string",
@@ -224,7 +230,9 @@
         _class: 'Dream.Repairman'
       },
       "Dream-Configuration": {
-        property_list: [property_container["numberOfReplications"],
+        property_list: [
+          property_container["simulationClass"],
+          property_container["numberOfReplications"],
           property_container["maxSimTime"],
           property_container["confidenceLevel"],
           property_container["processTimeout"]

dream/simulation/Default.py

+import json
+from dream.simulation.LineGenerationJSON import main as simulate_line_json
+
+class Simulation:
+  def run(self, data):
+    return simulate_line_json(input_data=json.dumps(data))

dream/simulation/Leotech.py

+from dream.simulation.Default import DefaultSimulation
+
+class Simulation(DefaultSimulation):
+  pass