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/* Copyright (c) 2022-2023 Deephaven Data Labs and Patent Pending */
package io.deephaven.benchmark.metric;

import java.util.concurrent.*;

public class MetricsFuture implements Future {
    final private CountDownLatch latch = new CountDownLatch(1);
    final private Metrics metrics;

    public MetricsFuture(Metrics metrics) {
        this.metrics = metrics;
    }

    public void done() {
        latch.countDown();
    }

    @Override
    public boolean cancel(boolean mayInterruptIfRunning) {
        return false;
    }

    @Override
    public boolean isCancelled() {
        return latch.getCount() < 1;
    }

    @Override
    public boolean isDone() {
        return latch.getCount() < 1;
    }

    @Override
    public Metrics get() throws InterruptedException, ExecutionException {
        latch.await();
        return metrics;
    }

    @Override
    public Metrics get(long timeout, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException {
        latch.await(timeout, unit);
        return metrics;
    }

}