rule-engine - fixed name for reusable threads

application/src/main/java/org/thingsboard/server/service/queue/DefaultTbRuleEngineConsumerService.java

@@ -82,6 +82,7 @@ public class DefaultTbRuleEngineConsumerService extends AbstractConsumerService<
 
     public static final String SUCCESSFUL_STATUS = "successful";
     public static final String FAILED_STATUS = "failed";
+    public static final String THREAD_TOPIC_SPLITERATOR = " | ";
     @Value("${queue.rule-engine.poll-interval}")
     private long pollDuration;
     @Value("${queue.rule-engine.pack-processing-timeout}")
@@ -245,7 +246,7 @@ public class DefaultTbRuleEngineConsumerService extends AbstractConsumerService<
     }
 
     void consumerLoop(TbQueueConsumer<TbProtoQueueMsg<ToRuleEngineMsg>> consumer, TbRuleEngineQueueConfiguration configuration, TbRuleEngineConsumerStats stats, String threadSuffix) {
-        Thread.currentThread().setName("" + Thread.currentThread().getName() + "-" + threadSuffix);
+        updateCurrentThreadName(threadSuffix);
         while (!stopped && !consumer.isStopped()) {
             try {
                 List<TbProtoQueueMsg<ToRuleEngineMsg>> msgs = consumer.poll(pollDuration);
@@ -299,6 +300,16 @@ public class DefaultTbRuleEngineConsumerService extends AbstractConsumerService<
         log.info("TB Rule Engine Consumer stopped.");
     }
 
+    void updateCurrentThreadName(String threadSuffix) {
+        String name = Thread.currentThread().getName();
+        int spliteratorIndex = name.indexOf(THREAD_TOPIC_SPLITERATOR);
+        if (spliteratorIndex > 0) {
+            name = name.substring(0, spliteratorIndex);
+        }
+        name = name + THREAD_TOPIC_SPLITERATOR + threadSuffix;
+        Thread.currentThread().setName(name);
+    }
+
     TbRuleEngineProcessingStrategy getAckStrategy(TbRuleEngineQueueConfiguration configuration) {
         return processingStrategyFactory.newInstance(configuration.getName(), configuration.getProcessingStrategy());
     }