| package org.apache.helix; |
| |
| /* |
| * 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. |
| */ |
| |
| import org.apache.zookeeper.CreateMode; |
| |
| public class AccessOption { |
| public static int PERSISTENT = 0x1; |
| public static int EPHEMERAL = 0x2; |
| public static int PERSISTENT_SEQUENTIAL = 0x4; |
| public static int EPHEMERAL_SEQUENTIAL = 0x8; |
| public static int THROW_EXCEPTION_IFNOTEXIST = 0x10; |
| |
| /** |
| * Helper method to get zookeeper create mode from options |
| * @param options bitmask representing mode; least significant set flag is selected |
| * @return zookeeper create mode |
| */ |
| public static CreateMode getMode(int options) { |
| if ((options & PERSISTENT) > 0) { |
| return CreateMode.PERSISTENT; |
| } else if ((options & EPHEMERAL) > 0) { |
| return CreateMode.EPHEMERAL; |
| } else if ((options & PERSISTENT_SEQUENTIAL) > 0) { |
| return CreateMode.PERSISTENT_SEQUENTIAL; |
| } else if ((options & EPHEMERAL_SEQUENTIAL) > 0) { |
| return CreateMode.EPHEMERAL_SEQUENTIAL; |
| } |
| |
| return null; |
| } |
| |
| /** |
| * Helper method to get is-throw-exception-on-node-not-exist from options |
| * @param options bitmask containing Zookeeper mode options |
| * @return true if in is-throw-exception-on-node-not-exist, false otherwise |
| */ |
| public static boolean isThrowExceptionIfNotExist(int options) { |
| return (options & THROW_EXCEPTION_IFNOTEXIST) > 0; |
| } |
| |
| } |