improve generics for collection save in service and dao layer

[cdmlib.git] / cdmlib-services / src / main / java / eu / etaxonomy / cdm / api / service / RegistrationServiceImpl.java

diff --git a/cdmlib-services/src/main/java/eu/etaxonomy/cdm/api/service/RegistrationServiceImpl.java b/cdmlib-services/src/main/java/eu/etaxonomy/cdm/api/service/RegistrationServiceImpl.java
index 1d10168eb18cddc64ebb3891cf664a374a17d82a..26f2fac00e84b72312b4f4c082ba7144af6626d2 100644 (file)
--- a/cdmlib-services/src/main/java/eu/etaxonomy/cdm/api/service/RegistrationServiceImpl.java
+++ b/cdmlib-services/src/main/java/eu/etaxonomy/cdm/api/service/RegistrationServiceImpl.java
@@ -222,7 +222,7 @@ public class RegistrationServiceImpl extends AnnotatableServiceBase<Registration
     }
 
     @Override
-    public Map<UUID, Registration> save(Collection<Registration> newInstances) {
+    public Map<UUID, Registration> save(Collection<? extends Registration> newInstances) {
         Map<UUID, Registration> regs = new HashMap<>();
         for(Registration newInstance : newInstances) {
             Registration reg = save(newInstance);