Closes openhab#16338 Implemented ModifiablePersistenceServices and fi…

…xed compiler warnings Signed-off-by: René Ulbricht <rene_ulbricht@outlook.com>
ulbi · Feb 1, 2024 · bcbb4b3 · bcbb4b3
1 parent 3cee425
commit bcbb4b3
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diff --git a/...istence.mongodb/src/main/java/org/openhab/persistence/mongodb/internal/MongoDBFields.java b/...istence.mongodb/src/main/java/org/openhab/persistence/mongodb/internal/MongoDBFields.java
@@ -12,12 +12,15 @@
  */
 package org.openhab.persistence.mongodb.internal;
 
+import org.eclipse.jdt.annotation.NonNullByDefault;
+
 /**
  * This class defines constant field names used in MongoDB documents.
  * These field names are used to ensure consistent access to document properties.
  *
  * @author René Ulbricht - Initial contribution
  */
+@NonNullByDefault
 public final class MongoDBFields {
     public static final String FIELD_ID = "_id";
     public static final String FIELD_ITEM = "item";