| package org.apache.cassandra.stress.settings; |
| /* |
| * |
| * 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. |
| * |
| */ |
| |
| |
| import java.io.Serializable; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.Map; |
| |
| public class SettingsSamples implements Serializable |
| { |
| |
| public final int liveCount; |
| public final int historyCount; |
| public final int reportCount; |
| |
| public SettingsSamples(SampleOptions options) |
| { |
| liveCount = (int) OptionDistribution.parseLong(options.liveCount.value()); |
| historyCount = (int) OptionDistribution.parseLong(options.historyCount.value()); |
| reportCount = (int) OptionDistribution.parseLong(options.reportCount.value()); |
| } |
| |
| // Option Declarations |
| |
| private static final class SampleOptions extends GroupedOptions |
| { |
| final OptionSimple historyCount = new OptionSimple("history=", "[0-9]+[bmk]?", "50K", "The number of samples to save across the whole run", false); |
| final OptionSimple liveCount = new OptionSimple("live=", "[0-9]+[bmk]?", "1M", "The number of samples to save between reports", false); |
| final OptionSimple reportCount = new OptionSimple("report=", "[0-9]+[bmk]?", "100K", "The maximum number of samples to use when building a report", false); |
| |
| @Override |
| public List<? extends Option> options() |
| { |
| return Arrays.asList(historyCount, liveCount, reportCount); |
| } |
| } |
| |
| // CLI Utility Methods |
| |
| public static SettingsSamples get(Map<String, String[]> clArgs) |
| { |
| String[] params = clArgs.remove("-sample"); |
| if (params == null) |
| { |
| return new SettingsSamples(new SampleOptions()); |
| } |
| SampleOptions options = GroupedOptions.select(params, new SampleOptions()); |
| if (options == null) |
| { |
| printHelp(); |
| System.out.println("Invalid -sample options provided, see output for valid options"); |
| System.exit(1); |
| } |
| return new SettingsSamples(options); |
| } |
| |
| public static void printHelp() |
| { |
| GroupedOptions.printOptions(System.out, "-sample", new SampleOptions()); |
| } |
| |
| public static Runnable helpPrinter() |
| { |
| return new Runnable() |
| { |
| @Override |
| public void run() |
| { |
| printHelp(); |
| } |
| }; |
| } |
| } |
| |