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 static com.google.common.base.MoreObjects.toStringHelper;
23 public class DelegatingJournal<E> implements Journal<E> {
24 private final Journal<E> delegate;
26 public DelegatingJournal(Journal<E> delegate) {
27 this.delegate = delegate;
31 public JournalWriter<E> writer() {
32 return delegate.writer();
36 public JournalReader<E> openReader(long index) {
37 return delegate.openReader(index);
41 public JournalReader<E> openReader(long index, JournalReader.Mode mode) {
42 return delegate.openReader(index, mode);
46 public boolean isOpen() {
47 return delegate.isOpen();
56 public String toString() {
57 return toStringHelper(this)
58 .add("delegate", delegate)