hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/freon/SameKeyReader.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.ozone.freon;

import java.util.concurrent.Callable;

import org.apache.hadoop.hdds.cli.HddsVersionProvider;

import picocli.CommandLine.Command;
import picocli.CommandLine.Option;

/**
 * Data generator tool test om performance.
 */
@Command(name = "ocokr",
    aliases = "ozone-client-one-key-reader",
    description = "Read the same key from multiple threads.",
    versionProvider = HddsVersionProvider.class,
    mixinStandardHelpOptions = true,
    showDefaultValues = true)
public class SameKeyReader extends OzoneClientKeyValidator
    implements Callable<Void> {

  @Option(names = {"-k", "--key"},
      required = true,
      description = "Name of the key read from multiple threads")
  private String keyName;

  @Override
  public String generateObjectName(long counter) {
    return keyName;
  }
}