package ex11;

import java.util.HashMap;
import java.util.Map;

public final class Profiler {
    private static final Map<CallInfo, long[]> count = new HashMap<>();

    private static boolean stop = false;

    static {
        Runtime.getRuntime().addShutdownHook(new Thread(() -> {
            stop = true;
            for (final var entry : count.entrySet()) {
                System.out.println(entry.getKey().toString() + "\n#invokes " + entry.getValue()[0] + "\n");
            }
        }));
    }

    private Profiler() {
    }

    public static void registerCall(final CallInfo info) {
        if (stop) return;
        count.computeIfAbsent(info, ignored -> new long[1])[0]++;
    }

}