Fix cast issues and errors when the record does not exists

Author: amontenegro

orcid-message-listener/src/main/java/org/orcid/listener/persistence/dao/Api20RecordStatusDao.java

@@ -26,10 +26,12 @@ public Api20RecordStatusEntity get(String orcid) {
     }
 
     public boolean exists(String orcid) {
-        Query query = entityManager.createNativeQuery("SELECT count(*) FROM api_2_0_record_status WHERE orcid=:orcid");
-        query.setParameter("orcid", orcid);
-        Number result = (Number) query.getSingleResult();
-        return (result != null && result.longValue() > 0L);
+        Long count = entityManager.createQuery(
+                        "SELECT COUNT(s) FROM Api20RecordStatusEntity s WHERE s.id = :orcid",
+                        Long.class)
+                .setParameter("orcid", orcid)
+                .getSingleResult();
+        return count > 0;
     }
 
     @Transactional

orcid-message-listener/src/main/java/org/orcid/listener/persistence/dao/Api30RecordStatusDao.java

@@ -26,10 +26,12 @@ public Api30RecordStatusEntity get(String orcid) {
     }
 
     public boolean exists(String orcid) {
-        Query query = entityManager.createNativeQuery("SELECT count(*) FROM api_3_0_record_status WHERE orcid=:orcid");
-        query.setParameter("orcid", orcid);
-        Number result = (Number) query.getSingleResult();
-        return (result != null && result.longValue() > 0L);
+        Long count = entityManager.createQuery(
+                        "SELECT COUNT(s) FROM Api30RecordStatusEntity s WHERE s.id = :orcid",
+                        Long.class)
+                .setParameter("orcid", orcid)
+                .getSingleResult();
+        return count > 0;
     }
 
     @Transactional

orcid-message-listener/src/main/java/org/orcid/listener/persistence/dao/SearchEngineRecordStatusDao.java

@@ -21,16 +21,18 @@ public class SearchEngineRecordStatusDao {
     protected EntityManager entityManager;
 
     public SearchEngineRecordStatusEntity get(String orcid) {
-        Query query = entityManager.createNativeQuery("SELECT * FROM search_engine_record_status WHERE orcid = :orcid", Api30RecordStatusEntity.class);
+        Query query = entityManager.createNativeQuery("SELECT * FROM search_engine_record_status WHERE orcid = :orcid", SearchEngineRecordStatusEntity.class);
         query.setParameter("orcid", orcid);
         return (SearchEngineRecordStatusEntity) query.getSingleResult();
     }
 
     public boolean exists(String orcid) {
-        Query query = entityManager.createNativeQuery("SELECT count(*) FROM search_engine_record_status WHERE orcid=:orcid");
-        query.setParameter("orcid", orcid);
-        Long result = ((BigInteger) query.getSingleResult()).longValue();
-        return (result != null && result > 0);
+        Long count = entityManager.createQuery(
+                        "SELECT COUNT(s) FROM SearchEngineRecordStatusEntity s WHERE s.id = :orcid",
+                        Long.class)
+                .setParameter("orcid", orcid)
+                .getSingleResult();
+        return count > 0;
     }
 
     @Transactional