本文整理了Java中net.sourceforge.argparse4j.inf.Argument.required()方法的一些代码示例，展示了Argument.required()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Argument.required()方法的具体详情如下：
包路径：net.sourceforge.argparse4j.inf.Argument
类名称：Argument
方法名：required

Argument.required介绍

[英]If true is given, this named argument must be specified in command line otherwise error will be issued.

The default value is false. This object is a positional argument, this property is ignored.
[中]若给定true，则必须在命令行中指定此命名参数，否则将发出错误。
默认值为false。此对象是位置参数，忽略此属性。

代码示例

代码示例来源：origin: spotify/helios

public DeploymentGroupInspectCommand(final Subparser parser) {
 super(parser);
 parser.help("inspect a deployment group");
 nameArg = parser.addArgument("name")
   .required(true)
   .help("Deployment group name");
}

代码示例来源：origin: spotify/helios

public DeploymentGroupStopCommand(final Subparser parser) {
 super(parser);
 parser.help("Stop a deployment-group or abort a rolling-update");
 nameArg = parser.addArgument("name")
   .required(true)
   .help("Deployment group name");
}

代码示例来源：origin: spotify/helios

public DeploymentGroupRemoveCommand(final Subparser parser) {
 super(parser);
 parser.help("remove a deployment-group. Note that this does not undeploy jobs previously "
       + "deployed by the deployment-group");
 nameArg = parser.addArgument("deployment-group-name")
   .required(true)
   .help("Deployment group name");
}

代码示例来源：origin: dropwizard/dropwizard

@Override
public void configure(Subparser subparser) {
  super.configure(subparser);
  subparser.addArgument("--confirm-delete-everything")
       .action(Arguments.storeTrue())
       .required(true)
       .help("indicate you understand this deletes everything in your database");
}

代码示例来源：origin: dropwizard/dropwizard

@Override
public void configure(Subparser subparser) {
  super.configure(subparser);
  subparser.addArgument("tag-name")
      .dest("tag-name")
      .nargs(1)
      .required(true)
      .help("The tag name");
}

代码示例来源：origin: signalapp/Signal-Server

@Override
public void configure(Subparser subparser) {
 super.configure(subparser);
 subparser.addArgument("-u", "--user")
      .dest("user")
      .type(String.class)
      .required(true)
      .help("The user to remove");
}

代码示例来源：origin: spotify/helios

public DeploymentGroupStatusCommand(final Subparser parser) {
 super(parser);
 parser.help("Show deployment-group status");
 nameArg = parser.addArgument("name")
   .required(true)
   .help("Deployment group name");
 fullArg = parser.addArgument("-f")
   .action(storeTrue())
   .help("Print full hostnames and job ids.");
}

代码示例来源：origin: spotify/helios

public DeploymentGroupCreateCommand(final Subparser parser) {
 super(parser);
 parser.help("create a deployment group");
 nameArg = parser.addArgument("name")
   .required(true)
   .help("Deployment group name");
 hostSelectorsArg = parser.addArgument("host_selectors")
   .action(append())
   .setDefault(Lists.newArrayList())
   .nargs("+")
   .help("Host selector expression. Hosts matching this expression will be part of the "
      + "deployment-group. Multiple conditions can be specified, separated by spaces (as "
      + "separate arguments). If multiple conditions are given, all must be fulfilled. "
      + "Operators supported are =, !=, in and notin. Example: foo=bar baz!=qux");
 quietArg = parser.addArgument("-q")
   .action(storeTrue())
   .help("only print job id");
}

代码示例来源：origin: linkedin/kafka-monitor

.required(false)
.type(String.class)
.metavar("TOPIC")
.required(false)
.type(String.class)
.dest("producerId")
.required(true)
.type(String.class)
.metavar("HOST1:PORT1[,HOST2:PORT2[...]]")
.required(true)
.type(String.class)
.metavar("HOST:PORT")
.required(false)
.type(String.class)
.metavar("RECORD_SIZE")
.required(false)
.type(String.class)
.metavar("PRODUCER_CLASS_NAME")
.required(false)
.type(String.class)
.metavar("CONSUMER_CLASS_NAME")
.required(false)

代码示例来源：origin: atomix/atomix

.type(String.class)
  .nargs("?")
  .required(false)
  .help("The local member identifier, used in intra-cluster communication.");
parser.addArgument("--address", "-a")
  .metavar("HOST:PORT")
  .nargs("?")
  .required(false)
  .help("The address for the local member. If no address is specified, the first public interface will be used.");
parser.addArgument("--host")
  .type(String.class)
  .nargs("?")
  .required(false)
  .help("The host on which this member runs, used for host-aware partition management.");
parser.addArgument("--rack")
  .type(String.class)
  .nargs("?")
  .required(false)
  .help("The rack on which this member runs, used for rack-aware partition management.");
parser.addArgument("--zone")
  .type(String.class)
  .nargs("?")
  .required(false)
  .help("The zone in which this member runs, used for zone-aware partition management.");
parser.addArgument("--config", "-c")
  .type(File.class)
  .nargs("*")

代码示例来源：origin: SeldonIO/seldon-server

public static void main(String[] args) throws Exception {
  
  ArgumentParser parser = ArgumentParsers.newArgumentParser("ImpressionsToInfluxDb")
      .defaultHelp(true)
      .description("Read Seldon impressions and send stats to influx db");
  parser.addArgument("-t", "--topic").setDefault("actions").help("Kafka topic to read from");
  parser.addArgument("-c", "--client").required(true).help("Client to run item similarity");
  parser.addArgument("-o", "--output-topic").required(true).help("Output topic");
  parser.addArgument("-k", "--kafka").setDefault("localhost:9092").help("Kafka server and port");
  parser.addArgument("-z", "--zookeeper").setDefault("localhost:2181").help("Zookeeper server and port");
  parser.addArgument("-w", "--window-secs").type(Integer.class).setDefault(3600*5).help("streaming window size in secs, -1 means ignore");
  parser.addArgument("-u", "--window-processed").type(Integer.class).setDefault(-1).help("streaming window size in processed count, -1 means ignore");
  parser.addArgument("--output-poll-secs").type(Integer.class).setDefault(60).help("output timer polling period in secs");
  parser.addArgument("--hashes").type(Integer.class).setDefault(100).help("number of hashes");
  parser.addArgument("-m", "--min-activity").type(Integer.class).setDefault(200).help("min activity");
  parser.addArgument("-p", "--parse-date-method").choices("json-time","json-utc","system").setDefault("json-time").help("min activity");
  
  Namespace ns = null;
  try {
    ns = parser.parseArgs(args);
    ItemSimilarityProcessor processor = new ItemSimilarityProcessor(ns);
    processor.process(ns);
  } catch (ArgumentParserException e) {
    parser.handleError(e);
    System.exit(1);
  }
}

代码示例来源：origin: AsamK/signal-cli

@Override
public void attachToSubparser(final Subparser subparser) {
  subparser.addArgument("-g", "--group")
      .required(true)
      .help("Specify the recipient group ID.");
}

代码示例来源：origin: AsamK/signal-cli

@Override
public void attachToSubparser(final Subparser subparser) {
  subparser.addArgument("--uri")
      .required(true)
      .help("Specify the uri contained in the QR code shown by the new device.");
}

代码示例来源：origin: spotify/helios

.required(true)
.help("Deployment group name");

代码示例来源：origin: AsamK/signal-cli

@Override
public void attachToSubparser(final Subparser subparser) {
  subparser.addArgument("-d", "--deviceId")
      .type(int.class)
      .required(true)
      .help("Specify the device you want to remove. Use listDevices to see the deviceIds.");
}

代码示例来源：origin: lenskit/lenskit

@Override
public void configureArguments(ArgumentParser parser) {
  ScriptEnvironment.configureArguments(parser);
  parser.addArgument("config_file")
     .metavar("CONFIG")
     .help("Load train-test configuration from CONFIG")
     .type(File.class)
     .required(true);
}

代码示例来源：origin: AsamK/signal-cli

@Override
public void attachToSubparser(final Subparser subparser) {
  subparser.addArgument("number")
      .help("Specify the phone number, for which to set the trust.")
      .required(true);
  MutuallyExclusiveGroup mutTrust = subparser.addMutuallyExclusiveGroup();
  mutTrust.addArgument("-a", "--trust-all-known-keys")
      .help("Trust all known keys of this user, only use this for testing.")
      .action(Arguments.storeTrue());
  mutTrust.addArgument("-v", "--verified-fingerprint")
      .help("Specify the fingerprint of the key, only use this option if you have verified the fingerprint.");
}

代码示例来源：origin: bazaarvoice/jolt

/**
 * Initialize the arg parser for the Sort sub command
 *
 * @param subparsers The Subparsers object to attach the new Subparser to
 */
@Override
public void intializeSubCommand( Subparsers subparsers ) {
  Subparser sortParser = subparsers.addParser( "sort" )
      .description( "Jolt CLI Sort Tool. This tool will ingest one JSON input (from a file or standard input) and " +
          "perform the Jolt sort operation on it. The sort order is standard alphabetical ascending, with a " +
          "special case for \"~\" prefixed keys to be bumped to the top. The program will return an exit code " +
          "of 0 if the sort operation is performed successfully or a 1 if an error is encountered." )
      .defaultHelp( true );
  sortParser.addArgument( "input" ).help( "File path to the input JSON that the sort operation should be performed on. " +
      "This file should contain valid JSON. " +
      "If this argument is not specified then standard input will be used." )
      .type( Arguments.fileType().verifyExists().verifyIsFile().verifyCanRead() )
      .nargs( "?" ).setDefault( (File) null ).required( false );   // these last two method calls make input optional
  sortParser.addArgument( "-u" ).help( "Turns off pretty print for the output. Output will be raw json with no formatting." )
      .action( Arguments.storeTrue() );
}

代码示例来源：origin: graphhopper/map-matching

@Override
public void configure(Subparser subparser) {
  subparser.addArgument("datasource")
      .type(String.class)
      .required(true);
  subparser.addArgument("--vehicle")
      .type(String.class)
      .required(false)
      .setDefault("car");
}

代码示例来源：origin: graphhopper/map-matching

@Override
public void configure(Subparser subparser) {
  subparser.addArgument("gpx")
    .type(File.class)
    .required(true)
    .nargs("+")
    .help("GPX file");
}