Make submitJob async

application/src/main/java/org/thingsboard/server/service/job/DefaultJobManager.java

@@ -49,6 +49,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.UUID;
 import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Future;
 import java.util.function.Function;
 import java.util.stream.Collectors;
 
@@ -77,9 +78,9 @@ public class DefaultJobManager implements JobManager {
     }
 
     @Override
-    public Job submitJob(Job job) {
+    public Future<Job> submitJob(Job job) {
         log.debug("Submitting job: {}", job);
-        return jobService.saveJob(job.getTenantId(), job);
+        return executor.submit(() -> jobService.saveJob(job.getTenantId(), job));
     }
 
     @Override

application/src/test/java/org/thingsboard/server/service/job/JobManagerTest.java

@@ -15,6 +15,7 @@
  */
 package org.thingsboard.server.service.job;
 
+import lombok.SneakyThrows;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -454,6 +455,7 @@ public class JobManagerTest extends AbstractControllerTest {
         return submitJob(configuration, "test-job");
     }
 
+    @SneakyThrows
     private Job submitJob(DummyJobConfiguration configuration, String key) {
         return jobManager.submitJob(Job.builder()
                 .tenantId(tenantId)
@@ -461,7 +463,7 @@ public class JobManagerTest extends AbstractControllerTest {
                 .key(key)
                 .entityId(jobEntity.getId())
                 .configuration(configuration)
-                .build());
+                .build()).get();
     }
 
     private List<DummyTaskFailure> getFailures(JobResult jobResult) {

rule-engine/rule-engine-api/src/main/java/org/thingsboard/rule/engine/api/JobManager.java

@@ -19,9 +19,11 @@ import org.thingsboard.server.common.data.id.JobId;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.job.Job;
 
+import java.util.concurrent.Future;
+
 public interface JobManager {
 
-    Job submitJob(Job job); // TODO: rate limits
+    Future<Job> submitJob(Job job); // TODO: rate limits
 
     void cancelJob(TenantId tenantId, JobId jobId);