Bug 2265: Use new NormalizedNode streaming in messages

[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / messages / EmptyReply.java

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/EmptyReply.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/EmptyReply.java
new file mode 100644 (file)
index 0000000..284c6ef
--- /dev/null
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/EmptyReply.java
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2015 Brocade Communications 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.messages;
+
+import org.opendaylight.controller.cluster.datastore.DataStoreVersions;
+
+/**
+ * A reply with no data.
+ *
+ * @author Thomas Pantelis
+ */
+public abstract class EmptyReply extends EmptyExternalizable implements VersionedSerializableMessage {
+
+    private final Object legacySerializedInstance;
+
+    protected EmptyReply(Object legacySerializedInstance) {
+        super();
+        this.legacySerializedInstance = legacySerializedInstance;
+    }
+
+    @Override
+    public Object toSerializable(short toVersion) {
+        return toVersion >= DataStoreVersions.LITHIUM_VERSION ? this : legacySerializedInstance;
+    }
+}