| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.zookeeper; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import org.apache.yetus.audience.InterfaceAudience; |
| import org.apache.zookeeper.AsyncCallback.MultiCallback; |
| import org.apache.zookeeper.data.ACL; |
| |
| /** |
| * Provides a builder style interface for doing multiple updates. This is |
| * really just a thin layer on top of Zookeeper.multi(). |
| * |
| * @since 3.4.0 |
| * |
| */ |
| @InterfaceAudience.Public |
| public class Transaction { |
| |
| private ZooKeeper zk; |
| private List<Op> ops = new ArrayList<>(); |
| |
| protected Transaction(ZooKeeper zk) { |
| this.zk = zk; |
| } |
| |
| public Transaction create(final String path, byte[] data, List<ACL> acl, CreateMode createMode) { |
| ops.add(Op.create(path, data, acl, createMode.toFlag())); |
| return this; |
| } |
| |
| public Transaction delete(final String path, int version) { |
| ops.add(Op.delete(path, version)); |
| return this; |
| } |
| |
| public Transaction check(String path, int version) { |
| ops.add(Op.check(path, version)); |
| return this; |
| } |
| |
| public Transaction setData(final String path, byte[] data, int version) { |
| ops.add(Op.setData(path, data, version)); |
| return this; |
| } |
| |
| public List<OpResult> commit() throws InterruptedException, KeeperException { |
| return zk.multi(ops); |
| } |
| |
| public void commit(MultiCallback cb, Object ctx) { |
| zk.multi(ops, cb, ctx); |
| } |
| |
| } |