jhalterman

Keybase proof

I hereby claim:

• I am jhalterman on github.
• I am jhalterman (https://keybase.io/jhalterman) on keybase.
• I have a public key whose fingerprint is 43F6 97A7 C494 AD19 CFCA 48F4 489D 4D97 977C 14CE

To claim this, I am signing this object:

jhalterman

  public static <T> T getWithDcl(Supplier<T> supplier, Supplier<T> factory, Object mutex) {
    T object = supplier.get();
    if (object == null) {
      synchronized (mutex) {
        object = supplier.get();
        if (object == null) {
          object = factory.get();
        }
      }
    }

jhalterman

/**
 * An exponentially weighted moving average implementation that decays based on the elapsed time since the last update,
 * approximating a time windowed moving average.
 */
public class MovingAverage {
  private final long windowNanos;

  // Mutable state
  private volatile long lastNanos;
  private volatile double average;

jhalterman

package net.jodah.cancellablefuture

import java.util.concurrent.atomic.AtomicBoolean

import scala.concurrent._
import scala.concurrent.duration.Duration
import scala.util.{Failure, Success, Try}

object CancellableFuture {
  def apply[T](body: => T)(implicit executor: ExecutionContext): CancellableFuture[T] = new CancellableFuture(body)