+/*
+ * Copyright (c) 2022 PANTHEON.tech, s.r.o. 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.raft.persisted;
+
+import static com.google.common.base.Verify.verifyNotNull;
+import static java.util.Objects.requireNonNull;
+
+import java.io.Externalizable;
+import java.io.IOException;
+import java.io.ObjectInput;
+import java.io.ObjectOutput;
+import org.opendaylight.yangtools.concepts.WritableObjects;
+
+/**
+ * Serialization proxy for {@link ApplyJournalEntries}.
+ */
+final class AJE implements Externalizable {
+ @java.io.Serial
+ private static final long serialVersionUID = 1L;
+
+ private ApplyJournalEntries applyEntries;
+
+ @SuppressWarnings("checkstyle:RedundantModifier")
+ public AJE() {
+ // For Externalizable
+ }
+
+ AJE(final ApplyJournalEntries applyEntries) {
+ this.applyEntries = requireNonNull(applyEntries);
+ }
+
+ @Override
+ public void writeExternal(final ObjectOutput out) throws IOException {
+ WritableObjects.writeLong(out, applyEntries.getToIndex());
+ }
+
+ @Override
+ public void readExternal(final ObjectInput in) throws IOException {
+ applyEntries = new ApplyJournalEntries(WritableObjects.readLong(in));
+ }
+
+ @java.io.Serial
+ private Object readResolve() {
+ return verifyNotNull(applyEntries);
+ }
+}