audit event failed tests

src/main/java/at/ac/uibk/gitsearch/service/AuditEventService.java

@@ -17,6 +17,8 @@ import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.PlatformTransactionManager;
 import org.springframework.transaction.TransactionDefinition;
+import org.springframework.transaction.annotation.Isolation;
+import org.springframework.transaction.annotation.Propagation;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.transaction.support.TransactionTemplate;
 import tech.jhipster.config.JHipsterProperties;
@@ -37,10 +39,10 @@ public class AuditEventService {
 
   private final PersistenceAuditEventRepository persistenceAuditEventRepository;
 
-  private final TransactionTemplate isolatedTransactionTemplate;
-
   private final AuditEventConverter auditEventConverter;
 
+  private PlatformTransactionManager platformTransactionManager;
+
   public AuditEventService(
     PersistenceAuditEventRepository persistenceAuditEventRepository,
     AuditEventConverter auditEventConverter,
@@ -50,9 +52,7 @@ public class AuditEventService {
     this.persistenceAuditEventRepository = persistenceAuditEventRepository;
     this.auditEventConverter = auditEventConverter;
     this.jHipsterProperties = jhipsterProperties;
-
-    isolatedTransactionTemplate = new TransactionTemplate(platformTransactionManager);
-    isolatedTransactionTemplate.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRES_NEW);
+    this.platformTransactionManager = platformTransactionManager;
   }
 
   /**
@@ -62,6 +62,11 @@ public class AuditEventService {
    */
   @Scheduled(cron = "0 0 23 * * ?")
   public int removeOldAuditEvents() {
+    final TransactionTemplate isolatedTransactionTemplate = new TransactionTemplate(platformTransactionManager);
+    isolatedTransactionTemplate.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRES_NEW);
+    isolatedTransactionTemplate.setIsolationLevel(TransactionDefinition.ISOLATION_READ_UNCOMMITTED); // this is mainly
+    // to enable
+    // testing
     boolean next = true;
     AtomicInteger count = new AtomicInteger(0);
 
@@ -79,7 +84,7 @@ public class AuditEventService {
     return count.intValue();
   }
 
-  @javax.transaction.Transactional(javax.transaction.Transactional.TxType.REQUIRES_NEW)
+  @Transactional(propagation = Propagation.REQUIRES_NEW, isolation = Isolation.READ_UNCOMMITTED)
   public int removeOldAuditEvents2() {
     Instant deleteBefore = Instant.now().minus(jHipsterProperties.getAuditEvents().getRetentionPeriod(), ChronoUnit.DAYS);
     return this.persistenceAuditEventRepository.deleteByAuditEventDateBefore(deleteBefore);