support float array as input parameter type

app/parameters.py

@@ -16,13 +16,15 @@
 #  See the License for the specific language governing permissions and
 #  limitations under the License.
 # ******************************************************************************
+import json
 
 
 class ParameterDictionary(dict):
     """
     Definition of supported parameter types
     """
-    __parameter_types = {"String": str, "Integer": int, "Float": float, "Unknown": str, "Array": list}
+    __parameter_types = {"String": str, "Integer": int, "Float": float, "Unknown": str, "Array": list,
+                         "FloatArray": list}
 
     """
         Converts a given parameter type definition pair to a parameter of the defined type. 
@@ -38,9 +40,13 @@ def __convert_to_typed_parameter(cls, parameter):
             return None
 
         try:
-            t = ParameterDictionary.__parameter_types[parameter['type']]
-            value = parameter['rawValue']
-            return t(value)
+            if parameter["type"] == "FloatArray":
+                value = json.loads(parameter['rawValue'])
+                return value
+            else:
+                t = ParameterDictionary.__parameter_types[parameter['type']]
+                value = parameter['rawValue']
+                return t(value)
         except:
             return None