Example usage for java.util.concurrent CompletableFuture completeExceptionally

Introduction

In this page you can find the example usage for java.util.concurrent CompletableFuture completeExceptionally.

Prototype

public boolean completeExceptionally(Throwable ex)

Source Link

Document

If not already completed, causes invocations of #get() and related methods to throw the given exception.

Usage

From source file:com.ikanow.aleph2.aleph2_rest_utils.DataStoreCrudService.java

@Override
public CompletableFuture<Boolean> deleteObjectById(Object id) {
    try {//from  w  w w .  ja  v  a 2 s  .co m
        final Path path = new Path(output_directory + id.toString());
        _logger.debug("Trying to delete: " + path.toString());
        final boolean delete_success = fileContext.delete(path, false); //this is always returning false
        _logger.debug("success deleteing: " + delete_success);
        return CompletableFuture.completedFuture(!doesPathExist(path, fileContext)); //if file does not exist, delete was a success
    } catch (IllegalArgumentException | IOException e) {
        final CompletableFuture<Boolean> fut = new CompletableFuture<Boolean>();
        fut.completeExceptionally(e);
        return fut;
    }
}

From source file:com.ikanow.aleph2.aleph2_rest_utils.DataStoreCrudService.java

@Override
public CompletableFuture<Cursor<FileDescriptor>> getObjectsBySpec(QueryComponent<FileDescriptor> spec) {
    try {/*ww  w. j av  a  2s.  c o  m*/
        return CompletableFuture
                .completedFuture(new DataStoreCursor(getFolderFilenames(output_directory, fileContext)));
    } catch (IllegalArgumentException | IOException e) {
        final CompletableFuture<Cursor<FileDescriptor>> fut = new CompletableFuture<Cursor<FileDescriptor>>();
        fut.completeExceptionally(e);
        return fut;
    }
}

From source file:com.ikanow.aleph2.aleph2_rest_utils.DataStoreCrudService.java

@Override
public CompletableFuture<Cursor<FileDescriptor>> getObjectsBySpec(QueryComponent<FileDescriptor> spec,
        List<String> field_list, boolean include) {
    try {/*from   w  ww .  jav a 2 s. c  o  m*/
        return CompletableFuture
                .completedFuture(new DataStoreCursor(getFolderFilenames(output_directory, fileContext)));
    } catch (IllegalArgumentException | IOException e) {
        final CompletableFuture<Cursor<FileDescriptor>> fut = new CompletableFuture<Cursor<FileDescriptor>>();
        fut.completeExceptionally(e);
        return fut;
    }
}

From source file:com.canoo.dolphin.client.impl.ClientContextImpl.java

@Override
public synchronized CompletableFuture<Void> disconnect() {
    checkForInitializedState();//from w w w.j a  v a2s .c  o m
    state = State.DESTROYING;
    clientDolphin.stopPushListening();
    final CompletableFuture<Void> result = new CompletableFuture<>();

    Executors.newSingleThreadExecutor().execute(() -> {
        state = State.DESTROYED;
        dolphinCommandHandler.invokeDolphinCommand(PlatformConstants.DESTROY_CONTEXT_COMMAND_NAME)
                .handle((v, t) -> {
                    if (t != null) {
                        result.completeExceptionally(new DolphinRemotingException("Can't disconnect", t));
                    } else {
                        result.complete(null);
                    }
                    return null;
                });
        //TODO: Stop communication in client connector
    });

    return result;
}

From source file:io.sqp.client.impl.SqpConnectionImpl.java

private boolean checkOpenAndNoErrors(CompletableFuture<?> future) {
    if (_pendingError != null) {
        future.completeExceptionally(_pendingError);
        _pendingError = null;//from  w w w  . ja v  a 2 s .c  o  m
        return false;
    }
    if (!_state.equals(ConnectionState.ReadyToSend) && !_state.equals(ConnectionState.Connecting)) {
        future.completeExceptionally(new ConnectionException(_state.getDescription()));
        return false;
    }
    return true;
}

From source file:io.sqp.client.impl.SqpConnectionImpl.java

private CompletableFuture<Void> finishTransaction(boolean commit) {
    String mode = commit ? "commit" : "rollback";
    CompletableFuture<Void> future = new CompletableFuture<>();
    if (_autocommit) {
        future.completeExceptionally(
                new InvalidOperationException("Cannot " + mode + " a transaction in autocommit mode"));
        return future;
    }//from   w w w . j  ava  2  s  .co m
    if (!checkOpenAndNoErrors(future)) {
        return future;
    }
    SqpMessage finishMessage = commit ? new CommitTransactionMessage() : new RollbackTransactionMessage();
    send(finishMessage, new ConfirmationResponseHandler(future, MessageType.TransactionFinishedMessage,
            "waiting for a " + mode + " complete confirmation"));
    return future;
}

From source file:co.runrightfast.vertx.demo.testHarness.jmx.DemoMXBeanImpl.java

@Override
public String lookupIPAddress(final String dnsServer, final String host) {
    final DnsClient client = vertx.createDnsClient(53, dnsServer);
    final CompletableFuture<String> future = new CompletableFuture<>();
    client.lookup("vertx.io", result -> {
        if (result.succeeded()) {
            future.complete(result.result());
        } else {/*from  www. ja  v  a 2 s.co m*/
            future.completeExceptionally(result.cause());
        }
    });

    try {
        return future.get();
    } catch (final InterruptedException | ExecutionException ex) {
        throw new RuntimeException(ex);
    }
}

From source file:com.adobe.acs.commons.mcp.impl.processes.renovator.RenovatorTest.java

@Test
public void testHaltingScenario() throws DeserializeException, LoginException, RepositoryException,
        InterruptedException, ExecutionException, PersistenceException {
    assertEquals("Renovator: relocator test", instance.getName());
    Map<String, Object> values = new HashMap<>();
    values.put("sourceJcrPath", "/content/dam/folderA");
    values.put("destinationJcrPath", "/content/dam/folderB");
    instance.init(rr, values);//from w  w w.j a  va 2s.c  o  m

    CompletableFuture<Boolean> f = new CompletableFuture<>();

    instance.defineAction("Halt", rr, am -> {
        instance.halt();
        try {
            assertTrue(instance.updateProgress() < 1.0);
            assertFalse(instance.getInfo().isIsRunning());
            f.complete(true);
        } catch (Throwable t) {
            f.completeExceptionally(t);
        }
    });
    instance.run(rr);
    assertTrue(f.get());
    verify(rr, atLeastOnce()).commit();
}

From source file:io.pravega.client.stream.mock.MockController.java

private CompletableFuture<Void> createSegmentTx(UUID txId, Segment segment) {
    CompletableFuture<Void> result = new CompletableFuture<>();
    FailingReplyProcessor replyProcessor = new FailingReplyProcessor() {

        @Override// ww w  . j a  va 2 s  .  c o m
        public void connectionDropped() {
            result.completeExceptionally(new ConnectionClosedException());
        }

        @Override
        public void wrongHost(WrongHost wrongHost) {
            result.completeExceptionally(new NotImplementedException());
        }

        @Override
        public void transactionCreated(TransactionCreated transactionCreated) {
            result.complete(null);
        }

        @Override
        public void processingFailure(Exception error) {
            result.completeExceptionally(error);
        }
    };
    sendRequestOverNewConnection(new CreateTransaction(idGenerator.get(), segment.getScopedName(), txId),
            replyProcessor, result);
    return result;
}

From source file:io.pravega.client.stream.mock.MockController.java

private CompletableFuture<Void> commitTxSegment(UUID txId, Segment segment) {
    CompletableFuture<Void> result = new CompletableFuture<>();
    FailingReplyProcessor replyProcessor = new FailingReplyProcessor() {

        @Override//from  ww w. j  ava 2 s . c  om
        public void connectionDropped() {
            result.completeExceptionally(new ConnectionClosedException());
        }

        @Override
        public void wrongHost(WrongHost wrongHost) {
            result.completeExceptionally(new NotImplementedException());
        }

        @Override
        public void transactionCommitted(TransactionCommitted transactionCommitted) {
            result.complete(null);
        }

        @Override
        public void transactionAborted(TransactionAborted transactionAborted) {
            result.completeExceptionally(new TxnFailedException("Transaction already aborted."));
        }

        @Override
        public void processingFailure(Exception error) {
            result.completeExceptionally(error);
        }
    };
    sendRequestOverNewConnection(new CommitTransaction(idGenerator.get(), segment.getScopedName(), txId),
            replyProcessor, result);
    return result;
}