2 * Copyright (c) 2024 PANTHEON.tech, s.r.o. and others. All rights reserved.
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 java.util.NoSuchElementException;
21 * A {@link JournalReader} traversing only committed entries.
23 final class CommitsSegmentJournalReader<E> extends SegmentedJournalReader<E> {
24 CommitsSegmentJournalReader(SegmentedJournal<E> journal, JournalSegment<E> segment) {
25 super(journal, segment);
29 public boolean hasNext() {
30 return isNextCommited() && super.hasNext();
34 public Indexed<E> next() {
35 if (isNextCommited()) {
38 throw new NoSuchElementException();
41 private boolean isNextCommited() {
42 return getNextIndex() <= journal.getCommitIndex();