--- /dev/null
+/*
+ * Copyright (c) 2015 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.md.sal.common.api.data;
+
+/**
+ * This exception occurs if the datastore is temporarily unavailable.
+ * A retry of the transaction may succeed after a period of time
+ */
+
+public class DataStoreUnavailableException extends Exception {
+ private static final long serialVersionUID = 1L;
+
+ public DataStoreUnavailableException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+
+}