Removed another final modifier

ccm-cms/src/main/java/org/librecms/assets/AbstractAssetImExporter.java

@@ -67,8 +67,24 @@ public abstract class AbstractAssetImExporter<T extends Asset>
         assetRepo.save(asset);
     }
 
+    /**
+     * Implementation of
+     * {@link AbstractEntityImExporter#updateExistingEntity(org.libreccm.imexport.Exportable, org.libreccm.imexport.Exportable)}
+     * for {@link Asset}s.
+     *
+     * !!!Warning: ImExporters for assets MUST never override this method.
+     * Instead, they MUST implement
+     * {@link #updateExistingAsset(org.librecms.contentsection.Asset, org.librecms.contentsection.Asset)}.
+     *
+     * Unfortunetly, CDI does not support final methods, therefore we can't make
+     * this method final.
+     *
+     *
+     * @param existingEntity The existing entity.
+     * @param importedEntity The imported entity.
+     */
     @Override
-    protected final void updateExistingEntity(
+    protected void updateExistingEntity(
         final T existingEntity, final T importedEntity
     ) {
         if (!Objects.equals(

ccm-cms/src/main/java/org/librecms/contentsection/AbstractContentItemImExporter.java

@@ -100,6 +100,21 @@ public abstract class AbstractContentItemImExporter<T extends ContentItem>
         itemRepository.save(entity);
     }
 
+    /**
+     * Implementation of
+     * {@link AbstractEntityImExporter#updateExistingEntity(org.libreccm.imexport.Exportable, org.libreccm.imexport.Exportable)}
+     * for {@link ContentItem}s.
+     *
+     * !!!Warning: Implementations of this abstract class MUST NEVER override
+     * this method. Instead they MUST override
+     * {@link #updateExistingContentItem(org.librecms.contentsection.ContentItem, org.librecms.contentsection.ContentItem)}.
+     *
+     * Unfortunetly, CDI does not support final methods, therefore we can't make
+     * this method final.
+     *
+     * @param existingEntity
+     * @param importedEntity
+     */
     @Override
     protected void updateExistingEntity(
         final T existingEntity,