| /** |
| * 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 com.alibaba.jstorm.cluster; |
| |
| import java.util.List; |
| import java.util.UUID; |
| |
| import com.alibaba.jstorm.callback.ClusterStateCallback; |
| |
| /** |
| * All ZK interface |
| * |
| * @author yannian |
| * |
| */ |
| public interface ClusterState { |
| public void set_ephemeral_node(String path, byte[] data) throws Exception; |
| |
| public void delete_node(String path) throws Exception; |
| |
| public void set_data(String path, byte[] data) throws Exception; |
| |
| public byte[] get_data(String path, boolean watch) throws Exception; |
| |
| public byte[] get_data_sync(String path, boolean watch) throws Exception; |
| |
| public List<String> get_children(String path, boolean watch) throws Exception; |
| |
| public void mkdirs(String path) throws Exception; |
| |
| public void tryToBeLeader(String path, byte[] host) throws Exception; |
| |
| public void close(); |
| |
| public UUID register(ClusterStateCallback callback); |
| |
| public ClusterStateCallback unregister(UUID id); |
| |
| public boolean node_existed(String path, boolean watch) throws Exception; |
| } |