Java Code Examples for scala.runtime.BoxedUnit#UNIT

@Test public void letOverridesDefault() {
  final String override = "localhost:9410";

  final AtomicBoolean ran = new AtomicBoolean();
  Function0<BoxedUnit> fn0 = new AbstractFunction0<BoxedUnit>() {
    @Override public BoxedUnit apply() {
      ran.set(true); // used to verify this block is executed.
      assertThat(host$.Flag.isDefined()).isTrue();
      assertThat(host$.Flag.apply()).isEqualTo(override);
      return BoxedUnit.UNIT;
    }
  };
  host$.Flag.let(override, fn0);

  assertThat(ran.get()).isTrue();
}
 

@Override
public Future<SessionLock> createLock(String lockPath,
                                      DistributedLockContext context) {
    AtomicInteger numRetries = new AtomicInteger(lockCreationRetries);
    final AtomicReference<Throwable> interruptedException = new AtomicReference<Throwable>(null);
    Promise<SessionLock> createPromise =
            new Promise<SessionLock>(new com.twitter.util.Function<Throwable, BoxedUnit>() {
        @Override
        public BoxedUnit apply(Throwable t) {
            interruptedException.set(t);
            return BoxedUnit.UNIT;
        }
    });
    createLock(
            lockPath,
            context,
            interruptedException,
            numRetries,
            createPromise,
            0L);
    return createPromise;
}
 

@Test public void letOverridesDefault() {
  final List<InetSocketAddress> override = singletonList(new InetSocketAddress("zipkin", 9092));

  final AtomicBoolean ran = new AtomicBoolean();
  Function0<BoxedUnit> fn0 = new AbstractFunction0<BoxedUnit>() {
    @Override public BoxedUnit apply() {
      ran.set(true); // used to verify this block is executed.
      assertThat(bootstrapServers$.Flag.isDefined()).isTrue();
      assertThat(bootstrapServers$.Flag.apply()).isEqualTo(override);
      return BoxedUnit.UNIT;
    }
  };
  bootstrapServers$.Flag.let(override, fn0);

  assertThat(ran.get()).isTrue();
}
 

@Test public void letOverridesDefault() {
  final String override = "zipkin-dev";

  final AtomicBoolean ran = new AtomicBoolean();
  Function0<BoxedUnit> fn0 = new AbstractFunction0<BoxedUnit>() {
    @Override public BoxedUnit apply() {
      ran.set(true); // used to verify this block is executed.
      assertThat(topic$.Flag.isDefined()).isTrue();
      assertThat(topic$.Flag.apply()).isEqualTo(override);
      return BoxedUnit.UNIT;
    }
  };
  topic$.Flag.let(override, fn0);

  assertThat(ran.get()).isTrue();
}
 

@Test public void letOverridesDefault() {
  final float override = 1.0f;

  final AtomicBoolean ran = new AtomicBoolean();
  Function0<BoxedUnit> fn0 = new AbstractFunction0<BoxedUnit>() {
    @Override public BoxedUnit apply() {
      ran.set(true); // used to verify this block is executed.
      assertThat(initialSampleRate$.Flag.isDefined()).isTrue();
      assertThat(initialSampleRate$.Flag.apply()).isEqualTo(override);
      return BoxedUnit.UNIT;
    }
  };
  initialSampleRate$.Flag.let(override, fn0);

  assertThat(ran.get()).isTrue();
}
 

@Test public void letOverridesDefault() {
  final String override = "favstar";

  final AtomicBoolean ran = new AtomicBoolean();
  Function0<BoxedUnit> fn0 = new AbstractFunction0<BoxedUnit>() {
    @Override public BoxedUnit apply() {
      ran.set(true); // used to verify this block is executed.
      assertThat(localServiceName$.Flag.isDefined()).isTrue();
      assertThat(localServiceName$.Flag.apply()).isEqualTo(override);
      return BoxedUnit.UNIT;
    }
  };
  localServiceName$.Flag.let(override, fn0);

  assertThat(ran.get()).isTrue();
}
 

@Test public void letOverridesDefault() {
  final boolean override = false;

  final AtomicBoolean ran = new AtomicBoolean();
  Function0<BoxedUnit> fn0 = new AbstractFunction0<BoxedUnit>() {
    @Override public BoxedUnit apply() {
      ran.set(true); // used to verify this block is executed.
      assertThat(compressionEnabled$.Flag.isDefined()).isTrue();
      assertThat(compressionEnabled$.Flag.apply()).isEqualTo(override);
      return BoxedUnit.UNIT;
    }
  };
  compressionEnabled$.Flag.let(override, fn0);

  assertThat(ran.get()).isTrue();
}
 

@Test public void letOverridesDefault() {
  final String override = "foo:9411";

  final AtomicBoolean ran = new AtomicBoolean();
  Function0<BoxedUnit> fn0 = new AbstractFunction0<BoxedUnit>() {
    @Override public BoxedUnit apply() {
      ran.set(true); // used to verify this block is executed.
      assertThat(host$.Flag.isDefined()).isTrue();
      assertThat(host$.Flag.apply()).isEqualTo(override);
      return BoxedUnit.UNIT;
    }
  };
  host$.Flag.let(override, fn0);

  assertThat(ran.get()).isTrue();
}
 

@Test public void letOverridesDefault() {
  final String override = "amazon";

  final AtomicBoolean ran = new AtomicBoolean();
  Function0<BoxedUnit> fn0 = new AbstractFunction0<BoxedUnit>() {
    @Override public BoxedUnit apply() {
      ran.set(true); // used to verify this block is executed.
      assertThat(hostHeader$.Flag.isDefined()).isTrue();
      assertThat(hostHeader$.Flag.apply()).isEqualTo(override);
      return BoxedUnit.UNIT;
    }
  };
  hostHeader$.Flag.let(override, fn0);

  assertThat(ran.get()).isTrue();
}
 

@Test public void letOverridesDefault() {
  final boolean override = true;

  final AtomicBoolean ran = new AtomicBoolean();
  Function0<BoxedUnit> fn0 = new AbstractFunction0<BoxedUnit>() {
    @Override public BoxedUnit apply() {
      ran.set(true); // used to verify this block is executed.
      assertThat(tlsEnabled$.Flag.isDefined()).isTrue();
      assertThat(tlsEnabled$.Flag.apply()).isEqualTo(override);
      return BoxedUnit.UNIT;
    }
  };
  tlsEnabled$.Flag.let(override, fn0);

  assertThat(ran.get()).isTrue();
}
 

@Test public void letOverridesDefault() {
  final boolean override = false;

  final AtomicBoolean ran = new AtomicBoolean();
  Function0<BoxedUnit> fn0 = new AbstractFunction0<BoxedUnit>() {
    @Override public BoxedUnit apply() {
      ran.set(true); // used to verify this block is executed.
      assertThat(tlsValidationEnabled$.Flag.isDefined()).isTrue();
      assertThat(tlsValidationEnabled$.Flag.apply()).isEqualTo(override);
      return BoxedUnit.UNIT;
    }
  };
  tlsValidationEnabled$.Flag.let(override, fn0);

  assertThat(ran.get()).isTrue();
}
 

<T> Function1<T, BoxedUnit> submit(final Function1<T, BoxedUnit> function) {
    return new AbstractFunction1<T, BoxedUnit>() {
        @Override
        public BoxedUnit apply(final T input) {
            submit(new Runnable() {
                @Override
                public void run() {
                    function.apply(input);
                }
            });
            return BoxedUnit.UNIT;
        }
    };
}
 

private <T> AbstractFunction1<T, BoxedUnit> adapt(Consumer<T> procedure) {
    return new AbstractFunction1<T, BoxedUnit>() {
        @Override
        public BoxedUnit apply(T v1) {
            procedure.accept(v1);
            return BoxedUnit.UNIT;
        }
    };
}
 

private BoxedUnit respondToChanges(Addr addr) {
    ImmutableSet<ServiceInstance> oldHostSet = ImmutableSet.copyOf(hostSet);

    ImmutableSet<ServiceInstance> newHostSet = oldHostSet;

    if (addr instanceof Addr.Bound) {
        scala.collection.immutable.Set<Address> endpointAddresses = ((Addr.Bound) addr).addrs();
        scala.collection.Iterator<Address> endpointAddressesIterator = endpointAddresses.toIterator();
        HashSet<ServiceInstance> serviceInstances = new HashSet<ServiceInstance>();
        while (endpointAddressesIterator.hasNext()) {
            serviceInstances.add(endpointAddressToServiceInstance(endpointAddressesIterator.next()));
        }
        newHostSet = ImmutableSet.copyOf(serviceInstances);

    } else if (addr instanceof Addr.Failed) {
        logger.error("Name resolution failed", ((Addr.Failed) addr).cause());
        newHostSet = ImmutableSet.of();
    } else if (addr.toString().equals("Pending")) {
        logger.info("Name resolution pending");
        newHostSet = oldHostSet;
    } else if (addr.toString().equals("Neg")) {
        newHostSet = ImmutableSet.of();
    } else {
        logger.error("Invalid Addr type: {}", addr.getClass().getName());
        throw new UnsupportedOperationException("Invalid Addr type:" + addr.getClass().getName());
    }

    // Reference comparison is valid as the sets are immutable
    if (oldHostSet != newHostSet) {
        logger.info("NameServerSet updated: {} -> {}", hostSetToString(oldHostSet), hostSetToString(newHostSet));
        resolutionPending.set(false);
        hostSet = newHostSet;
        synchronized (watchers) {
            for (HostChangeMonitor<ServiceInstance> watcher: watchers) {
                watcher.onChange(newHostSet);
            }
        }

    }

    return BoxedUnit.UNIT;
}
 

@Override
public BoxedUnit apply(Throwable cause) {
    interrupted = true;
    return BoxedUnit.UNIT;
}
 

private BoxedUnit respondToChanges(Addr addr) {
    ImmutableSet<ServiceInstance> oldHostSet = ImmutableSet.copyOf(hostSet);

    ImmutableSet<ServiceInstance> newHostSet = oldHostSet;

    if (addr instanceof Addr.Bound) {
        scala.collection.immutable.Set<Address> endpointAddresses = ((Addr.Bound)addr).addrs();
        scala.collection.Iterator<Address> endpointAddressesIterator = endpointAddresses.toIterator();
        HashSet<ServiceInstance> serviceInstances = new HashSet<ServiceInstance>();
        while (endpointAddressesIterator.hasNext()) {
            serviceInstances.add(endpointAddressToServiceInstance(endpointAddressesIterator.next()));
        }
        newHostSet = ImmutableSet.copyOf(serviceInstances);

    } else if (addr instanceof Addr.Failed) {
        logger.error("Name resolution failed", ((Addr.Failed)addr).cause());
        newHostSet = ImmutableSet.of();
    } else if (addr.toString().equals("Pending")) {
        logger.info("Name resolution pending");
        newHostSet = oldHostSet;
    } else if (addr.toString().equals("Neg")) {
        newHostSet = ImmutableSet.of();
    } else {
        logger.error("Invalid Addr type: {}", addr.getClass().getName());
        throw new UnsupportedOperationException("Invalid Addr type:" + addr.getClass().getName());
    }

    // Reference comparison is valid as the sets are immutable
    if (oldHostSet != newHostSet) {
        logger.info("NameServerSet updated: {} -> {}", hostSetToString(oldHostSet), hostSetToString(newHostSet));
        resolutionPending.set(false);
        hostSet = newHostSet;
        synchronized (watchers) {
            for (HostChangeMonitor<ServiceInstance> watcher: watchers) {
                watcher.onChange(newHostSet);
            }
        }

    }

    return BoxedUnit.UNIT;
}
 

/**
 * Creates a distributed lock using the given {@code zkClient} to coordinate locking.
 *
 * @param zkClient The ZooKeeper client to use.
 * @param lockPath The path used to manage the lock under.
 * @param clientId client id use for lock.
 * @param lockStateExecutor executor to execute all lock state changes.
 * @param lockOpTimeout timeout of lock operations
 * @param statsLogger stats logger
 */
public ZKSessionLock(ZooKeeperClient zkClient,
                     String lockPath,
                     String clientId,
                     OrderedScheduler lockStateExecutor,
                     long lockOpTimeout,
                     StatsLogger statsLogger,
                     DistributedLockContext lockContext)
        throws IOException {
    this.zkClient = zkClient;
    try {
        this.zk = zkClient.get();
    } catch (ZooKeeperClient.ZooKeeperConnectionException zce) {
        throw new ZKException("Failed to get zookeeper client for lock " + lockPath,
                KeeperException.Code.CONNECTIONLOSS);
    } catch (InterruptedException e) {
        throw new DLInterruptedException("Interrupted on getting zookeeper client for lock " + lockPath, e);
    }
    this.lockPath = lockPath;
    this.lockId = Pair.of(clientId, this.zk.getSessionId());
    this.lockContext = lockContext;
    this.lockStateExecutor = lockStateExecutor;
    this.lockState = new StateManagement();
    this.lockOpTimeout = lockOpTimeout;

    this.tryStats = statsLogger.getOpStatsLogger("tryAcquire");
    this.tryTimeouts = statsLogger.getCounter("tryTimeouts");
    this.unlockStats = statsLogger.getOpStatsLogger("unlock");

    // Attach interrupt handler to acquire future so clients can abort the future.
    this.acquireFuture = new Promise<Boolean>(new com.twitter.util.Function<Throwable, BoxedUnit>() {
        @Override
        public BoxedUnit apply(Throwable t) {
            // This will set the lock state to closed, and begin to cleanup the zk lock node.
            // We have to be careful not to block here since doing so blocks the ordered lock
            // state executor which can cause deadlocks depending on how futures are chained.
            ZKSessionLock.this.asyncUnlock(t);
            // Note re. logging and exceptions: errors are already logged by unlockAsync.
            return BoxedUnit.UNIT;
        }
    });
}
 

@Override
public BoxedUnit apply(Throwable cause) {
    interrupted = true;
    return BoxedUnit.UNIT;
}
 

@Override
public BoxedUnit apply(EdgeContext<String, String, Integer> arg0) {
	
	
	arg0.sendToDst(1);
	return BoxedUnit.UNIT;
}