edu.oregonstate.eecs.mcplan.domains.voyager.Main.java Source code

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/* LICENSE
Copyright (c) 2013-2016, Jesse Hostetler (jessehostetler@gmail.com)
All rights reserved.
    
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
    
1. Redistributions of source code must retain the above copyright notice,
   this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.
    
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

/**
 * 
 */
package edu.oregonstate.eecs.mcplan.domains.voyager;

import java.io.File;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import org.apache.commons.math3.random.MersenneTwister;

import edu.oregonstate.eecs.mcplan.experiments.Environment;
import edu.oregonstate.eecs.mcplan.experiments.Experiment;
import edu.oregonstate.eecs.mcplan.experiments.ExperimentalSetup;
import edu.oregonstate.eecs.mcplan.experiments.MultipleInstanceMultipleWorldGenerator;
import edu.oregonstate.eecs.mcplan.experiments.PolicyComparison;
import edu.oregonstate.eecs.mcplan.experiments.PolicyFactory;
import edu.oregonstate.eecs.mcplan.sim.EpisodeListener;

/**
 * @author jhostetler
 *
 */
public class Main {
    private static PolicyFactory<VoyagerState, VoyagerEvent, VoyagerParameters, VoyagerInstance> createPolicy(
            final String[] args) {
        final String policy_name = args[0];
        final String[] policy_args = Arrays.copyOfRange(args, 1, args.length);
        if ("FastExpandPolicy".equals(policy_name)) {
            // TODO:
            return null;
        } else {
            throw new IllegalArgumentException();
        }
    }

    public static File createDirectory(final String[] args) {
        final File r = new File(args[0]);
        r.mkdir();
        final File d = new File(r, "x" + args[1] + "_" + args[2] + "_" + args[3]);
        d.mkdir();
        return d;
    }

    /**
     * @param args
     */
    public static void main(final String[] args) {
        System.out.println(args.toString());
        final String batch_name = args[0];
        final String[] instance_args = args[1].split(",");
        final String[] pi_args = args[2].split(",");
        final String[] phi_args = args[3].split(",");

        final File root_directory = createDirectory(args);
        final int Nplanets = Integer.parseInt(instance_args[0]);
        final int policy_epoch = Integer.parseInt(instance_args[1]);
        final int Nworlds = Integer.parseInt(instance_args[2]);
        final int max_time = Integer.parseInt(instance_args[3]);
        final int Nanytime = Integer.parseInt(instance_args[4]);

        // FIXME: This default_params thing is too error-prone! There's no
        // easy way to know whether you need to set a parameter in
        // 1) default_params
        // 2) an element of ps
        // 3) both places
        final VoyagerParameters default_params = new VoyagerParameters.Builder().Nplanets(Nplanets)
                .policy_epoch(policy_epoch).finish();
        final Environment default_environment = new Environment.Builder().root_directory(root_directory)
                .rng(new MersenneTwister(default_params.master_seed)).finish();

        final int[] anytime_times = new int[Nanytime];
        anytime_times[Nanytime - 1] = max_time;
        for (int i = Nanytime - 2; i >= 0; --i) {
            anytime_times[i] = anytime_times[i + 1] / 2;
        }

        final List<VoyagerParameters> ps = new ArrayList<VoyagerParameters>(Nanytime);
        for (final int t : anytime_times) {
            ps.add(new VoyagerParameters.Builder().max_time(t).Nplanets(Nplanets).policy_epoch(policy_epoch)
                    .finish());
        }

        final List<VoyagerInstance> ws = new ArrayList<VoyagerInstance>(Nworlds);
        for (int i = 0; i < Nworlds; ++i) {
            // FIXME: Why default_params and not ps.get( i ) ?
            ws.add(new VoyagerInstance(default_params, default_environment.rng.nextInt()));
        }

        final MultipleInstanceMultipleWorldGenerator<VoyagerParameters, VoyagerInstance> experimental_setups = new MultipleInstanceMultipleWorldGenerator<VoyagerParameters, VoyagerInstance>(
                default_environment, ps, ws);

        final ArrayList<EpisodeListener<VoyagerState, VoyagerEvent>> extra_listeners = new ArrayList<EpisodeListener<VoyagerState, VoyagerEvent>>();

        if (default_params.use_monitor) {
            // TODO: Actually create the viewport!
            extra_listeners.add(new VisualizationUpdater());
        }

        final Experiment<VoyagerParameters, VoyagerInstance> experiment = new PolicyComparison<VoyagerState, VoyagerEvent, VoyagerParameters, VoyagerInstance>(
                createPolicy(pi_args), createPolicy(phi_args), extra_listeners);

        while (experimental_setups.hasNext()) {
            final ExperimentalSetup<VoyagerParameters, VoyagerInstance> setup = experimental_setups.next();
            experiment.setup(setup.environment, setup.parameters, setup.world);
            experiment.run();
            experiment.finish();
        }

        System.exit(0);
    }
}