org.apache.zookeeper.Transaction Maven / Gradle / Ivy
/*
* 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 ops = new ArrayList();
protected Transaction(ZooKeeper zk) {
this.zk = zk;
}
public Transaction create(final String path, byte[] data, List 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 commit() throws InterruptedException, KeeperException {
return zk.multi(ops);
}
public void commit(MultiCallback cb, Object ctx) {
zk.multi(ops, cb, ctx);
}
}