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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/cli/CreateCommand.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.cli; import static java.nio.charset.StandardCharsets.UTF_8; import java.util.List; import org.apache.commons.cli.CommandLine; import org.apache.commons.cli.DefaultParser; import org.apache.commons.cli.Option; import org.apache.commons.cli.Options; import org.apache.commons.cli.ParseException; import org.apache.zookeeper.CreateMode; import org.apache.zookeeper.KeeperException; import org.apache.zookeeper.ZooDefs; import org.apache.zookeeper.data.ACL; import org.apache.zookeeper.data.Stat; import org.apache.zookeeper.server.EphemeralType; /** * create command for cli */ public class CreateCommand extends CliCommand { private static Options options = new Options(); private String[] args; private CommandLine cl; static { options.addOption(new Option("e", false, "ephemeral")); options.addOption(new Option("s", false, "sequential")); options.addOption(new Option("c", false, "container")); options.addOption(new Option("t", true, "ttl")); } public CreateCommand() { super("create", "[-s] [-e] [-c] [-t ttl] path [data] [acl]"); } @Override public CliCommand parse(String[] cmdArgs) throws CliParseException { DefaultParser parser = new DefaultParser(); try { cl = parser.parse(options, cmdArgs); } catch (ParseException ex) { throw new CliParseException(ex); } args = cl.getArgs(); if (args.length < 2) { throw new CliParseException(getUsageStr()); } return this; } @Override public boolean exec() throws CliException { boolean hasE = cl.hasOption("e"); boolean hasS = cl.hasOption("s"); boolean hasC = cl.hasOption("c"); boolean hasT = cl.hasOption("t"); if (hasC && (hasE || hasS)) { throw new MalformedCommandException("-c cannot be combined with -s or -e. Containers cannot be ephemeral or sequential."); } long ttl; try { ttl = hasT ? Long.parseLong(cl.getOptionValue("t")) : 0; } catch (NumberFormatException e) { throw new MalformedCommandException("-t argument must be a long value"); } if (hasT && hasE) { throw new MalformedCommandException("TTLs cannot be used with Ephemeral znodes"); } if (hasT && hasC) { throw new MalformedCommandException("TTLs cannot be used with Container znodes"); } CreateMode flags; if (hasE && hasS) { flags = CreateMode.EPHEMERAL_SEQUENTIAL; } else if (hasE) { flags = CreateMode.EPHEMERAL; } else if (hasS) { flags = hasT ? CreateMode.PERSISTENT_SEQUENTIAL_WITH_TTL : CreateMode.PERSISTENT_SEQUENTIAL; } else if (hasC) { flags = CreateMode.CONTAINER; } else { flags = hasT ? CreateMode.PERSISTENT_WITH_TTL : CreateMode.PERSISTENT; } if (hasT) { try { EphemeralType.TTL.toEphemeralOwner(ttl); } catch (IllegalArgumentException e) { throw new MalformedCommandException(e.getMessage()); } } String path = args[1]; byte[] data = null; if (args.length > 2) { data = args[2].getBytes(UTF_8); } List<ACL> acl = ZooDefs.Ids.OPEN_ACL_UNSAFE; if (args.length > 3) { acl = AclParser.parse(args[3]); } try { String newPath = hasT ? zk.create(path, data, acl, flags, new Stat(), ttl) : zk.create(path, data, acl, flags); err.println("Created " + newPath); } catch (IllegalArgumentException ex) { throw new MalformedPathException(ex.getMessage()); } catch (KeeperException.EphemeralOnLocalSessionException e) { err.println("Unable to create ephemeral node on a local session"); throw new CliWrapperException(e); } catch (KeeperException.InvalidACLException ex) { err.println(ex.getMessage()); throw new CliWrapperException(ex); } catch (KeeperException | InterruptedException ex) { throw new CliWrapperException(ex); } return true; } }
⏎ org/apache/zookeeper/cli/CreateCommand.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, 13624👍, 0💬
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