Read parameters from config in JobQueue

alexxubyte · Dec 10, 2015 · e31fd9d · e31fd9d
1 parent ad3b4a2
commit e31fd9d
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Showing 2 changed files with 20 additions and 2 deletions.
diff --git a/Launcher/config.json b/Launcher/config.json
@@ -73,6 +73,12 @@
     "fxcm-password": "",
     "fxcm-account-id": "",
 
+    // parameters to set in the algorithm (the below are just samples)
+    "parameters": {
+        "ema-fast": 10,
+        "ema-slow": 20
+    },
+
     "environments": {
 
         // defines the 'backtesting' environment

diff --git a/Queues/JobQueue.cs b/Queues/JobQueue.cs
@@ -14,7 +14,9 @@
 */
 
 using System;
+using System.Collections.Generic;
 using System.IO;
+using Newtonsoft.Json;
 using QuantConnect.Configuration;
 using QuantConnect.Interfaces;
 using QuantConnect.Logging;
@@ -61,6 +63,14 @@ public AlgorithmNodePacket NextJob(out string location)
             location = AlgorithmLocation;
             Log.Trace("JobQueue.NextJob(): Selected " + location);
 
+            // check for parameters in the config
+            var parameters = new Dictionary<string, string>();
+            var parametersConfigString = Config.Get("parameters");
+            if (parametersConfigString != string.Empty)
+            {
+                parameters = JsonConvert.DeserializeObject<Dictionary<string, string>>(parametersConfigString);
+            }
+
             //If this isn't a backtesting mode/request, attempt a live job.
             if (_liveMode)
             {
@@ -73,7 +83,8 @@ public AlgorithmNodePacket NextJob(out string location)
                     UserId = Config.GetInt("job-user-id"),
                     Version = Constants.Version,
                     DeployId = Config.Get("algorithm-type-name"),
-                    RamAllocation = int.MaxValue
+                    RamAllocation = int.MaxValue,
+                    Parameters = parameters
                 };
 
                 try
@@ -98,7 +109,8 @@ public AlgorithmNodePacket NextJob(out string location)
                 Version = Constants.Version,
                 BacktestId = Config.Get("algorithm-type-name"),
                 RamAllocation = int.MaxValue,
-                Language = (Language)Enum.Parse(typeof(Language), Config.Get("algorithm-language"))
+                Language = (Language)Enum.Parse(typeof(Language), Config.Get("algorithm-language")),
+                Parameters = parameters
             };
 
             return backtestJob;