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Apache ZooKeeper 3.7.0 Server Source Code
Apache ZooKeeper is an open-source server which enables highly reliable distributed coordination.
Apache ZooKeeper Server Source Code files are provided in the source packge (apache-zookeeper-3.7.0.tar.gz). You can download it at Apache ZooKeeper Website.
You can also browse Apache ZooKeeper Server Source Code below:
✍: FYIcenter.com
⏎ org/apache/zookeeper/CreateMode.java
/* * 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 org.apache.yetus.audience.InterfaceAudience; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /*** * CreateMode value determines how the znode is created on ZooKeeper. */ @InterfaceAudience.Public public enum CreateMode { /** * The znode will not be automatically deleted upon client's disconnect. */ PERSISTENT(0, false, false, false, false), /** * The znode will not be automatically deleted upon client's disconnect, * and its name will be appended with a monotonically increasing number. */ PERSISTENT_SEQUENTIAL(2, false, true, false, false), /** * The znode will be deleted upon the client's disconnect. */ EPHEMERAL(1, true, false, false, false), /** * The znode will be deleted upon the client's disconnect, and its name * will be appended with a monotonically increasing number. */ EPHEMERAL_SEQUENTIAL(3, true, true, false, false), /** * The znode will be a container node. Container * nodes are special purpose nodes useful for recipes such as leader, lock, * etc. When the last child of a container is deleted, the container becomes * a candidate to be deleted by the server at some point in the future. * Given this property, you should be prepared to get * {@link org.apache.zookeeper.KeeperException.NoNodeException} * when creating children inside of this container node. */ CONTAINER(4, false, false, true, false), /** * The znode will not be automatically deleted upon client's disconnect. * However if the znode has not been modified within the given TTL, it * will be deleted once it has no children. */ PERSISTENT_WITH_TTL(5, false, false, false, true), /** * The znode will not be automatically deleted upon client's disconnect, * and its name will be appended with a monotonically increasing number. * However if the znode has not been modified within the given TTL, it * will be deleted once it has no children. */ PERSISTENT_SEQUENTIAL_WITH_TTL(6, false, true, false, true); private static final Logger LOG = LoggerFactory.getLogger(CreateMode.class); private boolean ephemeral; private boolean sequential; private final boolean isContainer; private int flag; private boolean isTTL; CreateMode(int flag, boolean ephemeral, boolean sequential, boolean isContainer, boolean isTTL) { this.flag = flag; this.ephemeral = ephemeral; this.sequential = sequential; this.isContainer = isContainer; this.isTTL = isTTL; } public boolean isEphemeral() { return ephemeral; } public boolean isSequential() { return sequential; } public boolean isContainer() { return isContainer; } public boolean isTTL() { return isTTL; } public int toFlag() { return flag; } /** * Map an integer value to a CreateMode value */ public static CreateMode fromFlag(int flag) throws KeeperException { switch (flag) { case 0: return CreateMode.PERSISTENT; case 1: return CreateMode.EPHEMERAL; case 2: return CreateMode.PERSISTENT_SEQUENTIAL; case 3: return CreateMode.EPHEMERAL_SEQUENTIAL; case 4: return CreateMode.CONTAINER; case 5: return CreateMode.PERSISTENT_WITH_TTL; case 6: return CreateMode.PERSISTENT_SEQUENTIAL_WITH_TTL; default: String errMsg = "Received an invalid flag value: " + flag + " to convert to a CreateMode"; LOG.error(errMsg); throw new KeeperException.BadArgumentsException(errMsg); } } /** * Map an integer value to a CreateMode value */ public static CreateMode fromFlag(int flag, CreateMode defaultMode) { switch (flag) { case 0: return CreateMode.PERSISTENT; case 1: return CreateMode.EPHEMERAL; case 2: return CreateMode.PERSISTENT_SEQUENTIAL; case 3: return CreateMode.EPHEMERAL_SEQUENTIAL; case 4: return CreateMode.CONTAINER; case 5: return CreateMode.PERSISTENT_WITH_TTL; case 6: return CreateMode.PERSISTENT_SEQUENTIAL_WITH_TTL; default: return defaultMode; } } }
⏎ org/apache/zookeeper/CreateMode.java
Or download all of them as a single archive file:
File name: zookeeper-server-3.7.0-fyi.zip File size: 871011 bytes Release date: 2021-05-17 Download
⇒ Apache ZooKeeper 3.7.0 Jute Source Code
⇐ Download Apache ZooKeeper 3.7.0 Source Package
2022-11-16, 13135👍, 0💬
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