hadoop-hdds/tools/src/main/java/org/apache/hadoop/hdds/scm/cli/datanode/DatanodeCommands.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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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.hadoop.hdds.scm.cli.datanode;

import java.util.concurrent.Callable;

import org.apache.hadoop.hdds.cli.GenericCli;
import org.apache.hadoop.hdds.cli.HddsVersionProvider;
import org.apache.hadoop.hdds.cli.OzoneAdmin;
import org.apache.hadoop.hdds.cli.SubcommandWithParent;

import org.kohsuke.MetaInfServices;
import picocli.CommandLine;
import picocli.CommandLine.Model.CommandSpec;
import picocli.CommandLine.Spec;

/**
 * Subcommand for datanode related operations.
 */
@CommandLine.Command(
    name = "datanode",
    description = "Datanode specific operations",
    mixinStandardHelpOptions = true,
    versionProvider = HddsVersionProvider.class,
    subcommands = {
        ListInfoSubcommand.class,
        DecommissionSubCommand.class,
        MaintenanceSubCommand.class,
        RecommissionSubCommand.class
    })
@MetaInfServices(SubcommandWithParent.class)
public class DatanodeCommands implements Callable<Void>, SubcommandWithParent {

  @Spec
  private CommandSpec spec;

  @Override
  public Void call() throws Exception {
    GenericCli.missingSubcommand(spec);
    return null;
  }

  @Override
  public Class<?> getParentType() {
    return OzoneAdmin.class;
  }
}