introduce INeutronCRUD.Result, instead of boolean

[neutron.git] / neutron-spi / src / main / java / org / opendaylight / neutron / spi / INeutronCRUD.java

diff --git a/neutron-spi/src/main/java/org/opendaylight/neutron/spi/INeutronCRUD.java b/neutron-spi/src/main/java/org/opendaylight/neutron/spi/INeutronCRUD.java
index a88fc2e7c120fce99a45bec621fb155430ede768..b3f1a3a298d551089363c2d1e76d15c855cc1a88 100644 (file)
--- a/neutron-spi/src/main/java/org/opendaylight/neutron/spi/INeutronCRUD.java
+++ b/neutron-spi/src/main/java/org/opendaylight/neutron/spi/INeutronCRUD.java
@@ -48,9 +48,9 @@ public interface INeutronCRUD<T extends INeutronObject<T>> {
      *
      * @param input
      *            OpenStackNeutron object
-     * @return boolean on whether the object was added or not
+     * @return result with indication on whether the object was added or not and if so why
      */
-    boolean add(T input);
+    Result add(T input);
 
     /**
      * Applications call this interface method to remove a Neutron object to the
@@ -72,4 +72,8 @@ public interface INeutronCRUD<T extends INeutronObject<T>> {
      * @return boolean on whether the object was updated or not
      */
     boolean update(String uuid, T delta);
+
+    // TODO The Exception Result should eventually be replaced by propagating exceptions, and removed
+    enum Result { Success, AlreadyExists, Exception }
+
 }