--- a/src/main/java/de/intevation/lada/rest/StatusService.java	Wed Mar 25 16:18:34 2015 +0100
+++ b/src/main/java/de/intevation/lada/rest/StatusService.java	Wed Mar 25 16:20:01 2015 +0100
@@ -23,6 +23,9 @@
 import javax.ws.rs.core.MultivaluedMap;
 import javax.ws.rs.core.UriInfo;
 
+import de.intevation.lada.lock.LockConfig;
+import de.intevation.lada.lock.LockType;
+import de.intevation.lada.lock.ObjectLocker;
 import de.intevation.lada.model.land.LStatus;
 import de.intevation.lada.util.annotation.AuthorizationConfig;
 import de.intevation.lada.util.annotation.RepositoryConfig;
@@ -43,6 +46,10 @@
     @RepositoryConfig(type=RepositoryType.RW)
     private Repository defaultRepo;
 
+    @Inject
+    @LockConfig(type=LockType.TIMESTAMP)
+    private ObjectLocker lock;
+
     /* The authorization module.*/
     @Inject
     @AuthorizationConfig(type=AuthorizationType.OPEN_ID)
@@ -137,6 +144,9 @@
         ) {
             return new Response(false, 699, null);
         }
+        if (lock.isLocked(status)) {
+            return new Response(false, 697, null);
+        }
         Response response = defaultRepo.update(status, "land");
         Response updated = defaultRepo.getById(
             LStatus.class,
@@ -169,6 +179,9 @@
         ) {
             return new Response(false, 699, null);
         }
+        if (lock.isLocked(obj)) {
+            return new Response(false, 697, null);
+        }
         /* Delete the object*/
         return defaultRepo.delete(obj, "land");
     }