Just added a simple test with a JPAQuery.

src/main/java/se/su/dsv/scipro/springdata/serviceimpls/SupervisorServiceImpl.java

@@ -16,6 +16,7 @@ import se.su.dsv.scipro.springdata.services.SupervisorService;
 import javax.annotation.Resource;
 import javax.persistence.EntityManager;
 import javax.persistence.PersistenceContext;
+import java.util.Date;
 import java.util.List;
 
 
@@ -44,9 +45,11 @@ public class SupervisorServiceImpl extends AbstractQueryService<Employee, Long>
     }
 
     @Override
-    public List<Employee> findByUsersName() {   QEmployee employee = QEmployee.employee;
+    public List<Employee> findByUsersName(final Date dateCreated) {
+        QEmployee employee = QEmployee.employee;
         BooleanExpression lastName = employee.user.lastName.eq("Vahlman");
-        return new JPAQuery(em).from(employee).where(lastName).list(employee);
+        BooleanExpression isNewEmployee = employee.user.dateCreated.eq(dateCreated);
+        return new JPAQuery(em).from(employee).where((lastName).and(isNewEmployee)).list(employee);
     }
 
 }

src/main/java/se/su/dsv/scipro/springdata/services/SupervisorService.java

@@ -1,6 +1,7 @@
 package se.su.dsv.scipro.springdata.services;
 import se.su.dsv.scipro.data.dataobjects.Employee;
 
+import java.util.Date;
 import java.util.List;
 
 /**
@@ -10,5 +11,5 @@ import java.util.List;
 public interface SupervisorService extends CrudService<Employee,Long>, QueryService<Employee, Long> {
     public List<Employee> findAllEmployees(org.springframework.data.domain.Sort orders);
 
-    public List<Employee> findByUsersName();
+    public List<Employee> findByUsersName(final Date dateCreated);
 }

src/test/java/se/su/dsv/scipro/springdata/TestSupervisor.java

@@ -22,10 +22,8 @@ import se.su.dsv.scipro.match.dataobject.Keyword;
 import se.su.dsv.scipro.match.dataobject.KeywordType;
 import se.su.dsv.scipro.springdata.services.SupervisorService;
 
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.List;
+import java.util.*;
+
 import static org.junit.Assert.*;
 
 @RunWith(SpringJUnit4ClassRunner.class)
@@ -142,9 +140,11 @@ public class TestSupervisor {
     @Rollback
     public void findEmployeeByName() {
         List<Employee> employeeList = new ArrayList<Employee>();
+        Date dateCreated = new Date();
         Employee vahlman = getEmployee("Tom", "Vahlman", "tom@dsv.su.se");
+        vahlman.getUser().setDateCreated(dateCreated);
         vahlman =  supervisorService.save(vahlman);
-        employeeList.addAll(supervisorService.findByUsersName());
+        employeeList.addAll(supervisorService.findByUsersName(dateCreated));
         assertFalse(employeeList.isEmpty());
         assertTrue(employeeList.get(0).equals(vahlman));
     }