Java Code Examples for java.util.function.Consumer

public void forEachRemaining(Consumer<? super Map.Entry<K, V>> action) {
    if (action == null)
        throw new NullPointerException();
    if (est < 0)
        getEstimate(); // force initialization
    TreeMap.Entry<K,V> f = fence, e, p, pl;
    if ((e = current) != null && e != f) {
        current = f; // exhaust
        do {
            action.accept(e);
            if ((p = e.right) != null) {
                while ((pl = p.left) != null)
                    p = pl;
            }
            else {
                while ((p = e.parent) != null && e == p.right)
                    e = p;
            }
        } while ((e = p) != null && e != f);
        if (tree.modCount != expectedModCount)
            throw new ConcurrentModificationException();
    }
}
 

@Override
public Mono<Void> execute(Context context) {
    final Consumer<EmbedCreateSpec> embedConsumer = ShadbotUtils.getDefaultEmbed()
            .andThen(embed -> embed.setAuthor("Links", Config.INVITE_URL, context.getAvatarUrl())
                    .setDescription("I'm glad you're willing to invite **Shadbot** in your own server, thank you!" +
                            "\nHere are some useful links for you." +
                            "\nIf you have any questions or issues, **do not hesitate to join the Support Server and ask!**" +
                            "\nIf you want to help keep running the bot, you can also follow the **Donation** link to get more " +
                            "information. Even small donations are really helpful. " + Emoji.HEARTS)
                    .addField("Invite", Config.INVITE_URL, false)
                    .addField("Support Server", Config.SUPPORT_SERVER_URL, false)
                    .addField("Donation", Config.PATREON_URL, false));

    return context.getChannel()
            .flatMap(channel -> DiscordUtils.sendMessage(embedConsumer, channel))
            .then();
}
 

public static <T> Managed<T> of(IO<T> acquire, Consumer<T> cleanup){

        return new FlowableManaged<T>(){
            public  <R> IO<R> apply(Function<? super T,? extends IO<R>> fn){
                IO<R> y = IO.Comprehensions.forEach(acquire, t1 -> {
                    IO<? extends Try<? extends IO<R>, Throwable>> res1 = FlowableIO.withCatch(() -> fn.apply(t1), Throwable.class);
                    return res1;
                }, t2 -> {

                    Try<? extends IO<R>, Throwable> tr = t2._2();
                    IO<R> res = tr.fold(r -> r, e -> FlowableIO.of(Future.ofError(e)));
                    cleanup.accept(t2._1());

                    return res;
                });
                return y;
            }
        };
    }
 

private static <T, S extends Spliterator<T>> void testSplitSixDeep(
        Collection<T> exp,
        Supplier<S> supplier,
        UnaryOperator<Consumer<T>> boxingAdapter) {
    S spliterator = supplier.get();
    boolean isOrdered = spliterator.hasCharacteristics(Spliterator.ORDERED);

    for (int depth=0; depth < 6; depth++) {
        List<T> dest = new ArrayList<>();
        spliterator = supplier.get();

        assertSpliterator(spliterator);

        // verify splitting with forEach
        visit(depth, 0, dest, spliterator, boxingAdapter, spliterator.characteristics(), false);
        assertContents(dest, exp, isOrdered);

        // verify splitting with tryAdvance
        dest.clear();
        spliterator = supplier.get();
        visit(depth, 0, dest, spliterator, boxingAdapter, spliterator.characteristics(), true);
        assertContents(dest, exp, isOrdered);
    }
}
 

/**
 * Sets up the receiver with mocks.
 *
 */
@SuppressWarnings("unchecked")
@BeforeEach
public void setup() {

    final Vertx vertx = mock(Vertx.class);
    when(vertx.getOrCreateContext()).thenReturn(mock(Context.class));

    final ApplicationClientFactory connection = mock(ApplicationClientFactory.class);
    when(connection.connect()).thenReturn(Future.succeededFuture(mock(HonoConnection.class)));
    when(connection.createTelemetryConsumer(anyString(), any(Consumer.class), any(Handler.class)))
            .thenReturn(Future.succeededFuture(mock(MessageConsumer.class)));
    when(connection.createEventConsumer(anyString(), any(Consumer.class), any(Handler.class)))
            .thenReturn(Future.succeededFuture(mock(MessageConsumer.class)));

    receiver = new Receiver();
    receiver.setApplicationClientFactory(connection);
    receiver.setVertx(vertx);
    receiver.tenantId = "TEST_TENANT";
}
 

@Test
@InSequence(30)
public void BuildTaskCallbacksShouldBeCalled() throws DatastoreException, CoreException {
    User user = User.Builder.newBuilder().id(3).username("test-user-3").build();
    Set<BuildTask> buildTasks = initializeBuildTaskSet(configurationBuilder, user, (buildConfigSetRecord) -> {})
            .getBuildTasks();
    Set<Integer> tasksIds = buildTasks.stream().map((BuildTask::getId)).collect(Collectors.toSet());

    Set<Integer> receivedUpdatesForId = new HashSet<>();
    Consumer<BuildStatusChangedEvent> statusChangeEventConsumer = (statusChangedEvent) -> {
        receivedUpdatesForId.add(Integer.valueOf(statusChangedEvent.getBuild().getId()));
    };

    tasksIds.forEach((id) -> {
        buildStatusNotifications.subscribe(new BuildCallBack(id, statusChangeEventConsumer));
    });

    buildTasks.forEach((bt) -> {
        buildCoordinator.updateBuildTaskStatus(bt, BuildCoordinationStatus.DONE);
    });

    tasksIds.forEach((id) -> {
        Assert.assertTrue("Did not receive update for task " + id, receivedUpdatesForId.contains(id));
    });
}
 

static void encodeByteArray(byte[] value, Consumer<byte[]> appender) {
  requireNonNull(value);
  int size = value.length;
  if (size == 0) {
    appender.accept(EMPTY_VALUE);
    return;
  }
  if (size == 1) {
    byte b = value[0];
    if ((b & 0xFF) <= 0x7f) {
      appender.accept(value);
      return;
    }
  }
  appender.accept(encodeLength(size, 0x80));
  appender.accept(value);
}
 

@Override
public void query(final TwootQuery twootQuery, final Consumer<Twoot> callback) {
    if (!twootQuery.hasUsers()) {
        return;
    }

    var lastSeenPosition = twootQuery.getLastSeenPosition();
    var inUsers = twootQuery.getInUsers();

    statementRunner.query(
        "SELECT * " +
            "FROM   twoots " +
            "WHERE  senderId IN " + usersTuple(inUsers) +
            "AND    twoots.position > " + lastSeenPosition.getValue(), rs ->

            callback.accept(extractTwoot(rs)));
}
 

public boolean tryAdvance(Consumer<? super E> action) {
    if (action == null) throw new NullPointerException();
    final LinkedBlockingDeque<E> q = this.queue;
    final ReentrantLock lock = q.lock;
    if (!exhausted) {
        E e = null;
        lock.lock();
        try {
            if (current == null)
                current = q.first;
            while (current != null) {
                e = current.item;
                current = current.next;
                if (e != null)
                    break;
            }
        } finally {
            lock.unlock();
        }
        if (current == null)
            exhausted = true;
        if (e != null) {
            action.accept(e);
            return true;
        }
    }
    return false;
}
 

static <T> Consumer<T> ifNotDefault(T defaultValue, Consumer<T> setter) {
	return value -> {
		if (!Objects.equals(value, defaultValue)) {
			setter.accept(value);
		}
	};
}
 

/**
 * @param c Consumer that setups a {@link ContinuousQueryWithTransformer}.
 * @param init True if needing put data to a cache before openning a cursor.
 * @return Test operation.
 */
private IgniteRunnable operation(Consumer<ContinuousQueryWithTransformer<Integer, Integer, Integer>> c,
    boolean init) {
    return () -> {
        VERIFIER.register(OPERATION_OPEN_CQ);

        ContinuousQueryWithTransformer<Integer, Integer, Integer> cq = new ContinuousQueryWithTransformer<>();

        c.accept(cq);

        executeQuery(cq, init);
    };
}
 

static void printLog(RaftLog log, Consumer<String> println) {
  if (log == null) {
    println.accept("log == null");
    return;
  }

  final TermIndex last;
  final long flushed, committed;
  try(AutoCloseableLock readlock = log.readLock()) {
    last = log.getLastEntryTermIndex();
    flushed = log.getFlushIndex();
    committed = log.getLastCommittedIndex();
  }
  final StringBuilder b = new StringBuilder();
  for(long i = 0; i <= last.getIndex(); i++) {
    b.setLength(0);
    b.append(i == flushed? 'f': ' ');
    b.append(i == committed? 'c': ' ');
    b.append(String.format("%3d: ", i));
    try {
      b.append(ServerProtoUtils.toLogEntryString(log.get(i)));
    } catch (RaftLogIOException e) {
      b.append(e);
    }
    println.accept(b.toString());
  }
}
 

private void preDraw(Consumer<ShaderProgram> shaderVariableSetter) {
	if(shaders[current] != shaders[type]) {
		sprite.setShader(shaders[type]);
		current = type;
	}

	if (shaders[type] != null && shaderVariableSetter != null) {
		// シェーダの変数を変更する場合はバッチを切る
		// （shader.begin() - end() で囲うのは正しく動作しないため不可）
		sprite.flush();
		shaderVariableSetter.accept(shaders[type]);
	}

	switch (blend) {
	case 2:
		sprite.setBlendFunction(GL11.GL_SRC_ALPHA, GL11.GL_ONE);
		break;
	case 3:
		// TODO 減算描画は難しいか？
		Gdx.gl.glBlendEquation(GL20.GL_FUNC_SUBTRACT);
		sprite.setBlendFunction(GL11.GL_SRC_ALPHA, GL11.GL_ONE);
		Gdx.gl.glBlendEquation(GL20.GL_FUNC_ADD);
		break;
	case 4:
		sprite.setBlendFunction(GL11.GL_ZERO, GL11.GL_SRC_COLOR);
		break;
	case 9:
		sprite.setBlendFunction(GL11.GL_ONE_MINUS_DST_COLOR, GL11.GL_ZERO);
		break;
	}

	if(color != null) {
		orgcolor = sprite.getColor();
		sprite.setColor(color);				
	} else {
		orgcolor = null;
	}
}
 

/**
 * Prepends the addition of required imports of the employed annotations.
 * Since the 'typeComment' is a {@link JavaFileAccess.JavaTypeAwareStringConcatenation}
 * any optionally required imports are already processed and tracked in {@link #imports}.
 */
@Override
public CharSequence getContent() {
  CharSequence _xblockexpression = null;
  {
    final Consumer<IClassAnnotation> _function = (IClassAnnotation it) -> {
      this.importType(it.getAnnotationImport());
    };
    this.getClassAnnotations().forEach(_function);
    _xblockexpression = super.getContent();
  }
  return _xblockexpression;
}
 

private static void validateComponentName(
    List<Consumer<Map<String, String>>> validators, String componentName) {

  HashMap<String, String> quickstarters = new HashMap();
  quickstarters.put(OpenProjectData.COMPONENT_ID_KEY, componentName);

  validateQuickstarters(validators, Arrays.asList(quickstarters));
}
 

public boolean tryAdvance(Consumer<? super K> action) {
    if (hasNext()) {
        action.accept(next());
        return true;
    }
    return false;
}
 

private void lockupBond(byte[] hash, Coin lockupAmount, int lockupTime, LockupReason lockupReason,
                        Consumer<String> resultHandler) {
    if (GUIUtil.isReadyForTxBroadcastOrShowPopup(p2PService, walletsSetup)) {
        if (!DevEnv.isDevMode()) {
            try {
                Tuple2<Coin, Integer> miningFeeAndTxSize = daoFacade.getLockupTxMiningFeeAndTxSize(lockupAmount, lockupTime, lockupReason, hash);
                Coin miningFee = miningFeeAndTxSize.first;
                int txSize = miningFeeAndTxSize.second;
                String duration = FormattingUtils.formatDurationAsWords(lockupTime * 10 * 60 * 1000L, false, false);
                new Popup().headLine(Res.get("dao.bond.reputation.lockup.headline"))
                        .confirmation(Res.get("dao.bond.reputation.lockup.details",
                                bsqFormatter.formatCoinWithCode(lockupAmount),
                                lockupTime,
                                duration,
                                bsqFormatter.formatBTCWithCode(miningFee),
                                CoinUtil.getFeePerByte(miningFee, txSize),
                                txSize / 1000d
                        ))
                        .actionButtonText(Res.get("shared.yes"))
                        .onAction(() -> publishLockupTx(lockupAmount, lockupTime, lockupReason, hash, resultHandler))
                        .closeButtonText(Res.get("shared.cancel"))
                        .show();
            } catch (Throwable e) {
                log.error(e.toString());
                e.printStackTrace();
                new Popup().warning(e.getMessage()).show();
            }
        } else {
            publishLockupTx(lockupAmount, lockupTime, lockupReason, hash, resultHandler);
        }
    }
}
 

protected void _setValue(final JvmFloatAnnotationValue it, final long[] value, final String componentType, final boolean mustBeArray) {
  final Consumer<Long> _function = (Long v) -> {
    EList<Float> _values = it.getValues();
    _values.add(Float.valueOf(((float) (v).longValue())));
  };
  ((List<Long>)Conversions.doWrapArray(value)).forEach(_function);
}
 

Stream<N> startPostOrder(Iterable<? extends N> startNodes, Consumer<N> foundCycle) {
  Walk<N> walk = new Walk<>(
      findSuccessors,
      node -> {
        boolean newNode = tracker.test(node);
        if (newNode) {
          currentPath.add(node);
        } else if (currentPath.contains(node)) {
          foundCycle.accept(node);
        }
        return newNode;
      });
  return walk.postOrder(startNodes).peek(currentPath::remove);
}
 

@Override
public void forEach(Consumer<? super Integer> consumer) {
    if (consumer instanceof IntConsumer) {
        forEach((IntConsumer) consumer);
    }
    else {
        if (Tripwire.ENABLED)
            Tripwire.trip(getClass(), "{0} calling SpinedBuffer.OfInt.forEach(Consumer)");
        spliterator().forEachRemaining(consumer);
    }
}
 

@Override
public <T> void counted(@NotNull Consumer<T> c, T arg, @NotNull String counterName, long delta) {
    final Counter counter = getNamedCounter(counterName);
    try {
        c.accept(arg);
    }
    finally {
        processCounter(counter, delta);
    }

}
 

private static JButton createButton(JDialog dialog, Container container, String label, IExpr action,
		final Consumer<IExpr> consumer, IExpr[] result, EvalEngine engine) {
	JButton button = new JButton(label);
	container.add(button);
	button.addActionListener(new ActionListener() {
		@Override
		public void actionPerformed(ActionEvent e) {
			consumer.accept(action);
		}
	});
	return button;
}
 

@Override
public void visitRegistrations(Consumer<QueryParameter> action) {
	for ( ProcedureParameterImplementor parameter : parameters ) {
		action.accept( parameter );
	}

}
 

public static void copyDynamicResource(Consumer<FileTypeStream> parserManager, String inputResource, FileObject webRoot, Function<String, String> pathResolver, ProgressHandler handler) throws IOException {
    InputStream inputStream = loadResource(inputResource);
    try (ZipInputStream zipInputStream = new ZipInputStream(inputStream)) {
        ZipEntry entry;
        while ((entry = zipInputStream.getNextEntry()) != null) {
            if(entry.isDirectory()){
                continue;
            }
            boolean skipParsing = true;
            String entryName = entry.getName();                
            if (entryName.endsWith(".ejs")) {
                skipParsing = false;
                entryName = entryName.substring(0, entryName.lastIndexOf("."));
            }
            String targetPath = pathResolver.apply(entryName);
            if (targetPath == null) {
                continue;
            }
            handler.progress(targetPath);
            FileObject target = org.openide.filesystems.FileUtil.createData(webRoot, targetPath);
            FileLock lock = target.lock();
            try (OutputStream outputStream = target.getOutputStream(lock)) {
                parserManager.accept(new FileTypeStream(entryName, zipInputStream, outputStream, skipParsing));
                zipInputStream.closeEntry();
            } finally {
                lock.releaseLock();
            }
        }
    } catch (Throwable ex) {
        Exceptions.printStackTrace(ex);
        System.out.println("InputResource : " + inputResource);
    }
}
 

@Override
public void produce(CoordinatesInWorld corner, Consumer<WorldIcon> consumer, Void additionalData) {
	for (WorldIcon icon : getCache()) {
		if (icon.getCoordinates().isInBoundsOf(corner, Fragment.SIZE)) {
			consumer.accept(icon);
		}
	}
}
 

@VisibleForTesting
BackfillTriggerManager(StateManager stateManager,
                       Storage storage,
                       TriggerListener triggerListener,
                       Stats stats,
                       Time time,
                       Consumer<List<Backfill>> shuffler) {
  this.stateManager = Objects.requireNonNull(stateManager);
  this.storage = Objects.requireNonNull(storage);
  this.triggerListener = Objects.requireNonNull(triggerListener);
  this.stats = Objects.requireNonNull(stats);
  this.time = Objects.requireNonNull(time);
  this.shuffler = Objects.requireNonNull(shuffler);
}
 

public static Job submit(RestHighLevelClient client, final String pattern, Boolean isNodeTable, ObservableMap<Keys, String> searchParameters,
        final Consumer<List<AlarmLogTableType>> alarmMessageHandler,
        final BiConsumer<String, Exception> errorHandler) {

    return JobManager.schedule("searching alarm log messages for : " + pattern,
            new AlarmLogSearchJob(client, pattern, isNodeTable, searchParameters, alarmMessageHandler, errorHandler));
}
 

/** Listen for job state changes with a {@link Consumer}. */
public synchronized void addStateListener(Consumer<JobStateEvent> stateStreamObserver) {
  for (JobStateEvent event : stateHistory) {
    stateStreamObserver.accept(event);
  }
  stateObservers.add(stateStreamObserver);
}
 

public <T, R> Collection<R> flatMap(final Iterable<T> it, final Function<T, Collection<R>> f) {
    final ArrayList<R> arrayList = new ArrayList<>();
    it.forEach(new Consumer<T>() {
        @Override
        public void accept(T t) {
            arrayList.addAll(f.apply(t));
        }
    });
    return arrayList;
}
 

@Override
public void writeList(Consumer<RLPWriter> fn) {
  requireNonNull(fn);
  AccumulatingRLPWriter listWriter = new AccumulatingRLPWriter();
  fn.accept(listWriter);
  writeEncodedValuesAsList(listWriter.values());
}