Fix Java 8 compatibility: replace Optional.isEmpty()

thjaeckle · claude · thjaeckle · commit 998692847eb4 · 2026-04-22T15:12:10.000+02:00
Optional.isEmpty() was introduced in Java 11. Replaced with the
Java 8 equivalent !Optional.isPresent() in PolicyImporter.

Co-Authored-By: Claude Opus 4.6 (1M context) &lt;noreply@anthropic.com&gt;
diff --git a/policies/model/src/main/java/org/eclipse/ditto/policies/model/PolicyImporter.java b/policies/model/src/main/java/org/eclipse/ditto/policies/model/PolicyImporter.java
@@ -341,7 +341,7 @@ private static PolicyEntry resolveOneReference(final Policy importingPolicy,
             referencedEntryOpt = importingPolicy.getEntryFor(ref.getEntryLabel());
         }
 
-        if (referencedEntryOpt.isEmpty()) {
+        if (!referencedEntryOpt.isPresent()) {
             return ownEntry; // referenced entry not found, skip
         }
         final PolicyEntry referencedEntry = referencedEntryOpt.get();

Original file line number	Diff line number	Diff line change
`@@ -341,7 +341,7 @@ private static PolicyEntry resolveOneReference(final Policy importingPolicy,`
`341`	`341`	`referencedEntryOpt = importingPolicy.getEntryFor(ref.getEntryLabel());`
`342`	`342`	`}`
`343`	`343`
`344`		`- if (referencedEntryOpt.isEmpty()) {`
	`344`	`+ if (!referencedEntryOpt.isPresent()) {`
`345`	`345`	`return ownEntry; // referenced entry not found, skip`
`346`	`346`	`}`
`347`	`347`	`final PolicyEntry referencedEntry = referencedEntryOpt.get();`