// Path: falchion-container/src/main/java/net/unit8/falchion/evaluator/Evaluator.java
// @FunctionalInterface
// public interface Evaluator {
//     JvmProcess evaluate(Collection<JvmProcess> processes);
// }
// 
// Path: falchion-container/src/main/java/net/unit8/falchion/monitor/MonitorSupplier.java
// public enum MonitorSupplier {
//     GCUTIL_JSTAT(JstatMonitor::new),
//     METRICS_JMX(MetricsJmxMonitor::new);
// 
//     private Supplier<JvmMonitor> monitorSupplier;
// 
//     MonitorSupplier(Supplier<JvmMonitor> monitorSupplier) {
//         this.monitorSupplier = monitorSupplier;
//     }
// 
//     public JvmMonitor createMonitor() {
//         return monitorSupplier.get();
//     }
// }
// 
// Path: falchion-container/src/main/java/net/unit8/falchion/supplier/AutoOptimizableProcessSupplier.java
// public class AutoOptimizableProcessSupplier implements Supplier<JvmProcess> {
//     private static final Logger LOG = LoggerFactory.getLogger(AutoOptimizableProcessSupplier.class);
// 
//     private StandardOptionProvider standardOptionProvider;
//     private Evaluator evaluator;
//     private Supplier<JvmProcess> baseSupplier;
//     private double variance = 0.1;
// 
//     public AutoOptimizableProcessSupplier(Supplier<JvmProcess> baseSupplier, Evaluator evaluator) {
//         this.baseSupplier = baseSupplier;
//         this.evaluator = evaluator;
//         standardOptionProvider = new StandardOptionProvider(128, 128, variance);
//     }
// 
//     @Override
//     public JvmProcess get() {
//         JvmProcess process = baseSupplier.get();
//         List<String> options = new ArrayList<>(standardOptionProvider.getOptions());
//         process.setJvmOptions(options);
//         return process;
//     }
// 
//     public void feedback(Collection<JvmProcess> processes) {
//         JvmProcess best = evaluator.evaluate(processes);
//         LOG.info("best param {}", best.getJvmOptions());
//         standardOptionProvider = new StandardOptionProvider(String.join(" ", best.getJvmOptions()), variance);
//     }
// }
// 
// Path: falchion-container/src/main/java/net/unit8/falchion/supplier/StandardProcessSupplier.java
// public class StandardProcessSupplier implements Supplier<JvmProcess> {
//     private String javaOpts;
//     private String mainClass;
//     private String classpath;
//     private File logDir;
//     private Set<MonitorSupplier> monitorSuppliers;
//     private StandardOptionProvider standardOptionProvider;
// 
//     public StandardProcessSupplier(String mainClass, String classpath, String javaOpts, File logDir, Set<MonitorSupplier> monitorSuppliers) {
//         this.javaOpts = javaOpts;
//         this.mainClass = mainClass;
//         this.classpath = classpath;
//         this.logDir = logDir;
//         this.monitorSuppliers = monitorSuppliers;
//         standardOptionProvider = new StandardOptionProvider(javaOpts, 0.0);
//     }
// 
//     @Override
//     public JvmProcess get() {
//         JvmProcess p = new JvmProcess(mainClass, classpath);
//         p.setJvmOptions(standardOptionProvider.getOptions());
//         if (logDir != null && logDir.isDirectory()) {
//             p.setIoDir(logDir);
//         }
//         monitorSuppliers.forEach(ms -> p.addMonitor(ms.createMonitor()));
//         return p;
//     }
// }


import net.unit8.falchion.evaluator.Evaluator;
import net.unit8.falchion.monitor.MonitorSupplier;
import net.unit8.falchion.supplier.AutoOptimizableProcessSupplier;
import net.unit8.falchion.supplier.StandardProcessSupplier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.io.IOException;
import java.io.UncheckedIOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Arrays;
import java.util.Set;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.function.Supplier;
import java.util.stream.Stream;
import static java.util.stream.Collectors.joining;
package net.unit8.falchion;




/**
 * Manages some JVM processes.
 *
 * @author kawasima
 */
public class Container {
    private static final Logger LOG = LoggerFactory.getLogger(Container.class);
    private int poolSize;
    private JvmPool pool;
    private File logDir;
    private long lifetime;
    private boolean autoTuning;
    private Evaluator evaluator;
    private String javaOpts;
    private String basedir;

    private ScheduledExecutorService autoRefreshTimer;

    private Set<MonitorSupplier> monitorSuppliers;

    /**
     * Creates a container.
     *
     * @param poolSize The size of JVM pool.
     */
    public Container(int poolSize) {
        this.poolSize = poolSize;
    }

    /**
     * Gets the classpath that is applied for a child process.
     *
     * @return a String contains classpath
     */
    private String getClasspath() {
        LOG.info(System.getProperty("java.class.path"));
        return Arrays.stream(System.getProperty("java.class.path").split(File.pathSeparator))
                .map(File::new)
                .map(File::getAbsolutePath)
                .collect(joining(":"));
    }

    /**
     * Starts the container.
     *
     * @param mainClass the name of main class
     * @param classpath the classpath is applied for a child process
     */
    public void start(final String mainClass, String classpath) {
// Path: falchion-container/src/main/java/net/unit8/falchion/evaluator/Evaluator.java
// @FunctionalInterface
// public interface Evaluator {
//     JvmProcess evaluate(Collection<JvmProcess> processes);
// }
// 
// Path: falchion-container/src/main/java/net/unit8/falchion/monitor/MonitorSupplier.java
// public enum MonitorSupplier {
//     GCUTIL_JSTAT(JstatMonitor::new),
//     METRICS_JMX(MetricsJmxMonitor::new);
// 
//     private Supplier<JvmMonitor> monitorSupplier;
// 
//     MonitorSupplier(Supplier<JvmMonitor> monitorSupplier) {
//         this.monitorSupplier = monitorSupplier;
//     }
// 
//     public JvmMonitor createMonitor() {
//         return monitorSupplier.get();
//     }
// }
// 
// Path: falchion-container/src/main/java/net/unit8/falchion/supplier/AutoOptimizableProcessSupplier.java
// public class AutoOptimizableProcessSupplier implements Supplier<JvmProcess> {
//     private static final Logger LOG = LoggerFactory.getLogger(AutoOptimizableProcessSupplier.class);
// 
//     private StandardOptionProvider standardOptionProvider;
//     private Evaluator evaluator;
//     private Supplier<JvmProcess> baseSupplier;
//     private double variance = 0.1;
// 
//     public AutoOptimizableProcessSupplier(Supplier<JvmProcess> baseSupplier, Evaluator evaluator) {
//         this.baseSupplier = baseSupplier;
//         this.evaluator = evaluator;
//         standardOptionProvider = new StandardOptionProvider(128, 128, variance);
//     }
// 
//     @Override
//     public JvmProcess get() {
//         JvmProcess process = baseSupplier.get();
//         List<String> options = new ArrayList<>(standardOptionProvider.getOptions());
//         process.setJvmOptions(options);
//         return process;
//     }
// 
//     public void feedback(Collection<JvmProcess> processes) {
//         JvmProcess best = evaluator.evaluate(processes);
//         LOG.info("best param {}", best.getJvmOptions());
//         standardOptionProvider = new StandardOptionProvider(String.join(" ", best.getJvmOptions()), variance);
//     }
// }
// 
// Path: falchion-container/src/main/java/net/unit8/falchion/supplier/StandardProcessSupplier.java
// public class StandardProcessSupplier implements Supplier<JvmProcess> {
//     private String javaOpts;
//     private String mainClass;
//     private String classpath;
//     private File logDir;
//     private Set<MonitorSupplier> monitorSuppliers;
//     private StandardOptionProvider standardOptionProvider;
// 
//     public StandardProcessSupplier(String mainClass, String classpath, String javaOpts, File logDir, Set<MonitorSupplier> monitorSuppliers) {
//         this.javaOpts = javaOpts;
//         this.mainClass = mainClass;
//         this.classpath = classpath;
//         this.logDir = logDir;
//         this.monitorSuppliers = monitorSuppliers;
//         standardOptionProvider = new StandardOptionProvider(javaOpts, 0.0);
//     }
// 
//     @Override
//     public JvmProcess get() {
//         JvmProcess p = new JvmProcess(mainClass, classpath);
//         p.setJvmOptions(standardOptionProvider.getOptions());
//         if (logDir != null && logDir.isDirectory()) {
//             p.setIoDir(logDir);
//         }
//         monitorSuppliers.forEach(ms -> p.addMonitor(ms.createMonitor()));
//         return p;
//     }
// }


// Path: falchion-container/src/main/java/net/unit8/falchion/Container.java
import net.unit8.falchion.evaluator.Evaluator;
import net.unit8.falchion.monitor.MonitorSupplier;
import net.unit8.falchion.supplier.AutoOptimizableProcessSupplier;
import net.unit8.falchion.supplier.StandardProcessSupplier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.io.IOException;
import java.io.UncheckedIOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Arrays;
import java.util.Set;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.function.Supplier;
import java.util.stream.Stream;
import static java.util.stream.Collectors.joining;

package net.unit8.falchion;




/**
 * Manages some JVM processes.
 *
 * @author kawasima
 */
public class Container {
    private static final Logger LOG = LoggerFactory.getLogger(Container.class);
    private int poolSize;
    private JvmPool pool;
    private File logDir;
    private long lifetime;
    private boolean autoTuning;
    private Evaluator evaluator;
    private String javaOpts;
    private String basedir;

    private ScheduledExecutorService autoRefreshTimer;

    private Set<MonitorSupplier> monitorSuppliers;

    /**
     * Creates a container.
     *
     * @param poolSize The size of JVM pool.
     */
    public Container(int poolSize) {
        this.poolSize = poolSize;
    }

    /**
     * Gets the classpath that is applied for a child process.
     *
     * @return a String contains classpath
     */
    private String getClasspath() {
        LOG.info(System.getProperty("java.class.path"));
        return Arrays.stream(System.getProperty("java.class.path").split(File.pathSeparator))
                .map(File::new)
                .map(File::getAbsolutePath)
                .collect(joining(":"));
    }

    /**
     * Starts the container.
     *
     * @param mainClass the name of main class
     * @param classpath the classpath is applied for a child process
     */
    public void start(final String mainClass, String classpath) {
        Supplier<JvmProcess> processSupplier = new StandardProcessSupplier(