--- /dev/null
+/*
+ * 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;
+
+import java.util.concurrent.atomic.AtomicLong;
+import org.opendaylight.controller.cluster.access.concepts.ClientIdentifier;
+import org.opendaylight.controller.cluster.access.concepts.FrontendIdentifier;
+import org.opendaylight.controller.cluster.access.concepts.FrontendType;
+import org.opendaylight.controller.cluster.access.concepts.LocalHistoryIdentifier;
+import org.opendaylight.controller.cluster.access.concepts.MemberName;
+import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
+
+public abstract class AbstractTest {
+ protected static final MemberName MEMBER_NAME = MemberName.forName("member-1");
+ private static final FrontendType FRONTEND_TYPE = FrontendType.forName(ShardTransactionTest.class.getSimpleName());
+
+ protected static final FrontendIdentifier FRONTEND_ID = FrontendIdentifier.create(MEMBER_NAME, FRONTEND_TYPE);
+
+ private static final ClientIdentifier CLIENT_ID = ClientIdentifier.create(FRONTEND_ID, 0);
+ private static final LocalHistoryIdentifier HISTORY_ID = new LocalHistoryIdentifier(CLIENT_ID, 0);
+ private static final AtomicLong HISTORY_COUNTER = new AtomicLong();
+ private static final AtomicLong TX_COUNTER = new AtomicLong();
+
+ protected static TransactionIdentifier nextTransactionId() {
+ return new TransactionIdentifier(HISTORY_ID, TX_COUNTER.getAndIncrement());
+ }
+
+ protected static LocalHistoryIdentifier nextHistoryId() {
+ return new LocalHistoryIdentifier(CLIENT_ID, HISTORY_COUNTER.incrementAndGet());
+ }
+}