From ca581f68e1caf1dcbaee3b9671ee50eab30ab84f Mon Sep 17 00:00:00 2001
From: Yuriy Lytvynchuk <yuriy.litv@gmail.com>
Date: Thu, 25 Aug 2022 12:16:56 +0300
Subject: [PATCH] refactor code

---
 .../rule/engine/telemetry/TbMsgDeleteAttributes.java          | 4 +++-
 .../rule/engine/telemetry/TbMsgDeleteAttributesTest.java      | 2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/telemetry/TbMsgDeleteAttributes.java b/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/telemetry/TbMsgDeleteAttributes.java
index 1a2fa21988..be82be5ecc 100644
--- a/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/telemetry/TbMsgDeleteAttributes.java
+++ b/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/telemetry/TbMsgDeleteAttributes.java
@@ -45,15 +45,17 @@ import java.util.stream.Collectors;
 public class TbMsgDeleteAttributes implements TbNode {
 
     TbMsgDeleteAttributesConfiguration config;
+    List<String> keys;
 
     @Override
     public void init(TbContext ctx, TbNodeConfiguration configuration) throws TbNodeException {
         this.config = TbNodeUtils.convert(configuration, TbMsgDeleteAttributesConfiguration.class);
+        this.keys = config.getKeys();
     }
 
     @Override
     public void onMsg(TbContext ctx, TbMsg msg) throws ExecutionException, InterruptedException, TbNodeException {
-        List<String> keysToDelete = config.getKeys().stream()
+        List<String> keysToDelete = keys.stream()
                 .map(keyPattern -> TbNodeUtils.processPattern(keyPattern, msg))
                 .distinct()
                 .filter(StringUtils::isNotBlank)
diff --git a/rule-engine/rule-engine-components/src/test/java/org/thingsboard/rule/engine/telemetry/TbMsgDeleteAttributesTest.java b/rule-engine/rule-engine-components/src/test/java/org/thingsboard/rule/engine/telemetry/TbMsgDeleteAttributesTest.java
index b763ba6215..cc5dcf4c85 100644
--- a/rule-engine/rule-engine-components/src/test/java/org/thingsboard/rule/engine/telemetry/TbMsgDeleteAttributesTest.java
+++ b/rule-engine/rule-engine-components/src/test/java/org/thingsboard/rule/engine/telemetry/TbMsgDeleteAttributesTest.java
@@ -116,4 +116,4 @@ public class TbMsgDeleteAttributesTest {
         verify(ctx, never()).tellFailure(any(), any());
         verify(telemetryService, times(1)).deleteAndNotify(any(), any(), anyString(), anyList(), any());
     }
-}
\ No newline at end of file
+}