io.github.ericmedvet.jgea.experimenter.Starter Maven / Gradle / Ivy

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/*-
 * ========================LICENSE_START=================================
 * jgea-experimenter
 * %%
 * Copyright (C) 2018 - 2023 Eric Medvet
 * %%
 * Licensed 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.
 * =========================LICENSE_END==================================
 */

package io.github.ericmedvet.jgea.experimenter;

import com.beust.jcommander.JCommander;
import com.beust.jcommander.Parameter;
import com.beust.jcommander.ParameterException;
import io.github.ericmedvet.jnb.core.BuilderException;
import io.github.ericmedvet.jnb.core.NamedBuilder;
import java.io.*;
import java.lang.reflect.InvocationTargetException;
import java.util.Locale;
import java.util.logging.LogManager;
import java.util.logging.Logger;
import java.util.stream.Collectors;

public class Starter {

  private static final Logger L = Logger.getLogger(Starter.class.getName());

  static {
    Locale.setDefault(Locale.ROOT);
    try {
      LogManager.getLogManager()
          .readConfiguration(
              Starter.class.getClassLoader().getResourceAsStream("logging.properties"));
    } catch (IOException ex) {
      // ignore
    }
  }

  public static class Configuration {
    @Parameter(
        names = {"--expFile", "-f"},
        description = "Path of the file with the experiment description.")
    public String experimentDescriptionFilePath = "";

    @Parameter(
        names = {"--exampleExp", "-e"},
        description = "Name of the example experiment description.")
    public String exampleExperimentDescriptionResourceName = "";

    @Parameter(
        names = {"--nOfThreads", "-nt"},
        description = "Number of threads to be used for fitness computation.")
    public int nOfThreads = 2;

    @Parameter(
        names = {"--nOfRuns", "-nr"},
        description = "Number of concurrent runs.")
    public int nOfConcurrentRuns = 1;

    @Parameter(
        names = {"--showExpFileHelp", "-d"},
        description = "Show a description of available constructs for the experiment file.")
    public boolean showExpFileHelp = false;

    @Parameter(
        names = {"--checkExpFile", "-c"},
        description = "Just check the correctness of the experiment description.")
    public boolean check = false;

    @Parameter(
        names = {"--verbose", "-v"},
        description = "Be verbose on errors (i.e., print stack traces)")
    public boolean verbose = false;

    @Parameter(
        names = {"--help", "-h"},
        description = "Show this help.",
        help = true)
    public boolean help;

    @Parameter(
        names = {"--builder", "-b"},
        description = "Builder for the experiment.")
    public String builderName = PreparedNamedBuilder.class.getName();
  }

  public static void main(String[] args) {
    // read configuration
    Configuration configuration = new Configuration();
    JCommander jc = JCommander.newBuilder().addObject(configuration).build();
    jc.setProgramName(Starter.class.getName());
    try {
      jc.parse(args);
    } catch (ParameterException e) {
      e.usage();
      L.severe(String.format("Cannot read command line options: %s", e));
      System.exit(-1);
    } catch (RuntimeException e) {
      L.severe(e.getClass().getSimpleName() + ": " + e.getMessage());
      System.exit(-1);
    }
    // check help
    if (configuration.help) {
      jc.usage();
      System.exit(0);
    }
    // prepare local named builder
    NamedBuilder