From f63fd6ed2a79bebb910d9ac60fdb56f522948d41 Mon Sep 17 00:00:00 2001
From: anhefti <andreas.hefti@let.ethz.ch>
Date: Tue, 25 Jan 2022 15:08:11 +0100
Subject: [PATCH] fixed for Java 8

---
 .../servicelayer/dao/impl/ExamConfigurationMapDAOImpl.java    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/ExamConfigurationMapDAOImpl.java b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/ExamConfigurationMapDAOImpl.java
index c4e60691..f965f8a9 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/ExamConfigurationMapDAOImpl.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/ExamConfigurationMapDAOImpl.java
@@ -376,7 +376,7 @@ public class ExamConfigurationMapDAOImpl implements ExamConfigurationMapDAO {
     @Override
     @Transactional(readOnly = true)
     public Result<Boolean> checkForDeletion(final Long configurationNodeId) {
-        return Result.tryCatch(() -> this.examConfigurationMapRecordMapper.selectByExample()
+        return Result.tryCatch(() -> !this.examConfigurationMapRecordMapper.selectByExample()
                 .where(
                         ExamConfigurationMapRecordDynamicSqlSupport.configurationNodeId,
                         isEqualTo(configurationNodeId))
@@ -385,7 +385,7 @@ public class ExamConfigurationMapDAOImpl implements ExamConfigurationMapDAO {
                 .stream()
                 .filter(rec -> !isExamFinished(rec.getExamId()))
                 .findFirst()
-                .isEmpty());
+                .isPresent());
     }
 
     private boolean isExamFinished(final Long examId) {