From 05010345086b308a0b87208a4c86ec55266273aa Mon Sep 17 00:00:00 2001
From: Andrii Shvaika <ashvayka@thingsboard.io>
Date: Wed, 28 Sep 2022 15:17:21 +0300
Subject: [PATCH] Default Math Node configuration fix

---
 .../java/org/thingsboard/rule/engine/math/TbMathArgument.java | 4 ++++
 .../thingsboard/rule/engine/math/TbMathNodeConfiguration.java | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/math/TbMathArgument.java b/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/math/TbMathArgument.java
index 4fb2c66baa..db1300722a 100644
--- a/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/math/TbMathArgument.java
+++ b/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/math/TbMathArgument.java
@@ -34,4 +34,8 @@ public class TbMathArgument {
        this(key, type, key, null, null);
     }
 
+    public TbMathArgument(String name, TbMathArgumentType type, String key) {
+       this(name, type, key, null, null);
+    }
+
 }
diff --git a/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/math/TbMathNodeConfiguration.java b/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/math/TbMathNodeConfiguration.java
index 3be32a9bdf..a51307d52a 100644
--- a/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/math/TbMathNodeConfiguration.java
+++ b/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/math/TbMathNodeConfiguration.java
@@ -33,7 +33,7 @@ public class TbMathNodeConfiguration implements NodeConfiguration<TbMathNodeConf
     public TbMathNodeConfiguration defaultConfiguration() {
         TbMathNodeConfiguration configuration = new TbMathNodeConfiguration();
         configuration.setOperation(TbRuleNodeMathFunctionType.ADD);
-        configuration.setArguments(Arrays.asList(new TbMathArgument(TbMathArgumentType.CONSTANT, "2"), new TbMathArgument(TbMathArgumentType.CONSTANT, "2")));
+        configuration.setArguments(Arrays.asList(new TbMathArgument("x", TbMathArgumentType.CONSTANT, "2"), new TbMathArgument("y", TbMathArgumentType.CONSTANT, "2")));
         configuration.setResult(new TbMathResult(TbMathArgumentType.MESSAGE_BODY, "result", 2, false, false, null));
         return configuration;
     }