BUG-5280: implement message queueing

[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / actors / client / RequestCallback.java

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/actors/client/RequestCallback.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/actors/client/RequestCallback.java
new file mode 100644 (file)
index 0000000..074eab8
--- /dev/null
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/actors/client/RequestCallback.java
@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.cluster.datastore.actors.client;
+
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+import org.opendaylight.controller.cluster.access.concepts.Response;
+
+@FunctionalInterface
+public interface RequestCallback {
+    /**
+     * Invoked when a particular request completes.
+     *
+     * @param response Response to the request
+     * @return Next client actor behavior
+     */
+    @Nullable ClientActorBehavior complete(@Nonnull Response<?, ?> response);
+}