2 * Copyright 2017-2022 Open Networking Foundation and others. All rights reserved.
3 * Copyright (c) 2024 PANTHEON.tech, s.r.o.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 package io.atomix.storage.journal;
19 import static java.util.Objects.requireNonNull;
21 import com.google.common.base.MoreObjects;
22 import org.eclipse.jdt.annotation.NonNullByDefault;
25 * Indexed journal entry.
27 * @param <E> entry type
28 * @param index the entry index
29 * @param entry the indexed entry
30 * @param size the serialized entry size
32 // FIXME: it seems 'index' has to be non-zero, we should enforce that if that really is the case
33 // FIXME: it seems 'size' has not be non-zero, we should enforce that if that really is the case
35 public record Indexed<E>(long index, E entry, int size) {
37 requireNonNull(entry);
41 public String toString() {
42 return MoreObjects.toStringHelper(this).add("index", index).add("entry", entry).toString();