Rewrite childDepth() to make use of OptionalInt

matthias-ronge · Jan 30, 2024 · b7ebb5f · b7ebb5f
1 parent 685396c
commit b7ebb5f
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/Kitodo/src/main/java/org/kitodo/production/services/command/ImportingProcess.java b/Kitodo/src/main/java/org/kitodo/production/services/command/ImportingProcess.java
@@ -35,6 +35,7 @@
 import java.util.Map.Entry;
 import java.util.Objects;
 import java.util.Optional;
+import java.util.OptionalInt;
 import java.util.Set;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
@@ -552,11 +553,11 @@ private void executeActionForErroreousProcess(int action) throws IOException {
      * @return number of levels of children below
      */
     int childDepth() {
-        if (children.isEmpty()) {
+        OptionalInt childrenMaxDepth = children.parallelStream().mapToInt(ImportingProcess::childDepth).max();
+        if(childrenMaxDepth.isEmpty()) {
             return 0;
         } else {
-            int childrenMaxDepth = children.parallelStream().mapToInt(ImportingProcess::childDepth).max().getAsInt();
-            return childrenMaxDepth + 1;
+            return childrenMaxDepth.getAsInt() + 1;
         }
     }