2 * Copyright 2017-present Open Networking Foundation
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package io.atomix.storage.journal;
18 import com.google.common.base.MoreObjects;
21 * Indexed journal entry.
23 * @param <E> entry type
24 * @param index the entry index
25 * @param entry the indexed entry
26 * @param size the serialized entry size
28 // FIXME: add @NonNullByDefault and enforce non-null entry once we can say that entries cannot be null
29 // FIXME: it seems 'index' has to be non-zero, we should enforce that if that really is the case
30 // FIXME: it seems 'size' has not be non-zero, we should enforce that if that really is the case
31 public record Indexed<E>(long index, E entry, int size) {
33 public String toString() {
34 return MoreObjects.toStringHelper(this).add("index", index).add("entry", entry).toString();