Security implementation

src/main/java/net/gepafin/tendermanagement/service/impl/RoleServiceImpl.java

@@ -9,6 +9,7 @@ import net.gepafin.tendermanagement.model.response.RoleResponseBean;
 import net.gepafin.tendermanagement.service.RoleService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 
 @Service
@@ -18,25 +19,30 @@ public class RoleServiceImpl implements RoleService {
     private RoleDao roleDao;
 
     @Override
+    @Transactional(rollbackFor = Exception.class)
     public RoleResponseBean createRole(RoleReq roleReq) {
         return roleDao.createRole(roleReq);
     }
     @Override
+    @Transactional(rollbackFor = Exception.class)
     public RoleResponseBean updateRole(Long roleId, RoleReq roleReq) {
         return roleDao.updateRole(roleId,roleReq);
     }
 
     @Override
+    @Transactional(readOnly = true)
     public RoleEntity getRoleById(Long roleId) {
         return roleDao.getRoleById(roleId);
     }
 
     @Override
+    @Transactional(rollbackFor = Exception.class)
     public void deleteRole(Long roleId) {
         roleDao.deleteById(roleId);
     }
 
     @Override
+    @Transactional(readOnly = true)
     public List<RoleResponseBean> getAllRoles() {
         return roleDao.getAllRoles();