Examples with Connection com.mongodb.internal.connection.Connection used on opensource projects

Example 1 with Connection

use of com.mongodb.internal.connection.Connection in project mongo-java-driver by mongodb.

the class CommandOperationHelper method executeRetryableWriteAsync.

static <T, R> void executeRetryableWriteAsync(final AsyncWriteBinding binding, final String database, final ReadPreference readPreference, final FieldNameValidator fieldNameValidator, final Decoder<T> commandResultDecoder, final CommandCreator commandCreator, final CommandWriteTransformerAsync<T, R> transformer, final Function<BsonDocument, BsonDocument> retryCommandModifier, final SingleResultCallback<R> callback) {
    RetryState retryState = initialRetryState(true);
    binding.retain();
    AsyncCallbackSupplier<R> asyncWrite = CommandOperationHelper.<R>decorateWriteWithRetries(retryState, funcCallback -> {
        logRetryExecute(retryState);
        boolean firstAttempt = retryState.isFirstAttempt();
        if (!firstAttempt && binding.getSessionContext().hasActiveTransaction()) {
            binding.getSessionContext().clearTransactionContext();
        }
        withAsyncSourceAndConnection(binding::getWriteConnectionSource, true, funcCallback, (source, connection, releasingCallback) -> {
            int maxWireVersion = connection.getDescription().getMaxWireVersion();
            SingleResultCallback<R> addingRetryableLabelCallback = firstAttempt ? releasingCallback : addingRetryableLabelCallback(releasingCallback, maxWireVersion);
            if (retryState.breakAndCompleteIfRetryAnd(() -> !canRetryWrite(source.getServerDescription(), connection.getDescription(), binding.getSessionContext()), addingRetryableLabelCallback)) {
                return;
            }
            BsonDocument command;
            try {
                command = retryState.attachment(AttachmentKeys.command()).map(previousAttemptCommand -> {
                    assertFalse(firstAttempt);
                    return retryCommandModifier.apply(previousAttemptCommand);
                }).orElseGet(() -> commandCreator.create(source.getServerDescription(), connection.getDescription()));
                // attach `maxWireVersion`, `retryableCommandFlag` ASAP because they are used to check whether we should retry
                retryState.attach(AttachmentKeys.maxWireVersion(), maxWireVersion, true).attach(AttachmentKeys.retryableCommandFlag(), isRetryWritesEnabled(command), true).attach(AttachmentKeys.commandDescriptionSupplier(), command::getFirstKey, true).attach(AttachmentKeys.command(), command, false);
                logRetryExecute(retryState);
            } catch (Throwable t) {
                addingRetryableLabelCallback.onResult(null, t);
                return;
            }
            connection.commandAsync(database, command, fieldNameValidator, readPreference, commandResultDecoder, binding.getSessionContext(), binding.getServerApi(), binding.getRequestContext(), transformingWriteCallback(transformer, connection, addingRetryableLabelCallback));
        });
    }).whenComplete(binding::release);
    asyncWrite.get(exceptionTransformingCallback(errorHandlingCallback(callback, LOGGER)));
}

Example 2 with Connection

use of com.mongodb.internal.connection.Connection in project mongo-java-driver by mongodb.

the class ListIndexesOperation method executeAsync.

@Override
public void executeAsync(final AsyncReadBinding binding, final SingleResultCallback<AsyncBatchCursor<T>> callback) {
    RetryState retryState = initialRetryState(retryReads);
    binding.retain();
    AsyncCallbackSupplier<AsyncBatchCursor<T>> asyncRead = CommandOperationHelper.<AsyncBatchCursor<T>>decorateReadWithRetries(retryState, funcCallback -> {
        logRetryExecute(retryState);
        withAsyncSourceAndConnection(binding::getReadConnectionSource, false, funcCallback, (source, connection, releasingCallback) -> {
            if (retryState.breakAndCompleteIfRetryAnd(() -> !canRetryRead(source.getServerDescription(), connection.getDescription(), binding.getSessionContext()), releasingCallback)) {
                return;
            }
            if (serverIsAtLeastVersionThreeDotZero(connection.getDescription())) {
                createReadCommandAndExecuteAsync(retryState, binding, source, namespace.getDatabaseName(), getCommandCreator(), createCommandDecoder(), asyncTransformer(), connection, (result, t) -> {
                    if (t != null && !isNamespaceError(t)) {
                        releasingCallback.onResult(null, t);
                    } else {
                        releasingCallback.onResult(result != null ? result : emptyAsyncCursor(source), null);
                    }
                });
            } else {
                retryState.markAsLastAttempt();
                connection.queryAsync(getIndexNamespace(), asQueryDocument(connection.getDescription(), binding.getReadPreference()), null, 0, 0, batchSize, binding.getReadPreference().isSecondaryOk(), false, false, false, false, false, decoder, binding.getRequestContext(), new SingleResultCallback<QueryResult<T>>() {

                    @Override
                    public void onResult(final QueryResult<T> result, final Throwable t) {
                        if (t != null) {
                            releasingCallback.onResult(null, t);
                        } else {
                            releasingCallback.onResult(new AsyncQueryBatchCursor<T>(result, 0, batchSize, 0, decoder, source, connection), null);
                        }
                    }
                });
            }
        });
    }).whenComplete(binding::release);
    asyncRead.get(errorHandlingCallback(callback, LOGGER));
}

Example 3 with Connection

use of com.mongodb.internal.connection.Connection in project mongo-java-driver by mongodb.

the class MixedBulkWriteOperation method executeAsync.

public void executeAsync(final AsyncWriteBinding binding, final SingleResultCallback<BulkWriteResult> callback) {
    // see the comment in `execute(WriteBinding)` explaining the manual tracking of attempts
    RetryState retryState = new RetryState();
    BulkWriteTracker.attachNew(retryState, retryWrites);
    binding.retain();
    AsyncCallbackSupplier<BulkWriteResult> retryingBulkWrite = this.<BulkWriteResult>decorateWriteWithRetries(retryState, funcCallback -> {
        logRetryExecute(retryState);
        withAsyncSourceAndConnection(binding::getWriteConnectionSource, true, funcCallback, (source, connection, releasingCallback) -> {
            ConnectionDescription connectionDescription = connection.getDescription();
            int maxWireVersion = connectionDescription.getMaxWireVersion();
            // attach `maxWireVersion` ASAP because it is used to check whether we can retry
            retryState.attach(AttachmentKeys.maxWireVersion(), maxWireVersion, true);
            BulkWriteTracker bulkWriteTracker = retryState.attachment(AttachmentKeys.bulkWriteTracker()).orElseThrow(Assertions::fail);
            SessionContext sessionContext = binding.getSessionContext();
            WriteConcern writeConcern = getAppliedWriteConcern(sessionContext);
            if (!retryState.isFirstAttempt() && !isRetryableWrite(retryWrites, writeConcern, source.getServerDescription(), connectionDescription, sessionContext)) {
                Throwable prospectiveFailedResult = retryState.exception().orElse(null);
                if (retryState.breakAndCompleteIfRetryAnd(() -> !(prospectiveFailedResult instanceof MongoWriteConcernWithResponseException), releasingCallback)) {
                    return;
                }
                bulkWriteTracker.batch().ifPresent(bulkWriteBatch -> {
                    assertTrue(prospectiveFailedResult instanceof MongoWriteConcernWithResponseException);
                    bulkWriteBatch.addResult((BsonDocument) ((MongoWriteConcernWithResponseException) prospectiveFailedResult).getResponse());
                    BulkWriteTracker.attachNext(retryState, bulkWriteBatch);
                });
            }
            if (validateWriteRequestsAndCompleteIfInvalid(connectionDescription, bypassDocumentValidation, writeRequests, writeConcern, releasingCallback)) {
                return;
            }
            if (writeConcern.isAcknowledged() || serverIsAtLeastVersionThreeDotSix(connectionDescription)) {
                try {
                    if (!bulkWriteTracker.batch().isPresent()) {
                        BulkWriteTracker.attachNew(retryState, BulkWriteBatch.createBulkWriteBatch(namespace, source.getServerDescription(), connectionDescription, ordered, writeConcern, bypassDocumentValidation, retryWrites, writeRequests, sessionContext));
                    }
                } catch (Throwable t) {
                    releasingCallback.onResult(null, t);
                    return;
                }
                logRetryExecute(retryState);
                executeBulkWriteBatchAsync(retryState, binding, connection, maxWireVersion, releasingCallback);
            } else {
                retryState.markAsLastAttempt();
                executeLegacyBatchesAsync(binding, connection, releasingCallback);
            }
        });
    }).whenComplete(binding::release);
    retryingBulkWrite.get(exceptionTransformingCallback(errorHandlingCallback(callback, LOGGER)));
}

Example 4 with Connection

use of com.mongodb.internal.connection.Connection in project mongo-java-driver by mongodb.

the class MixedBulkWriteOperation method executeLegacyBatchesAsync.

private void executeLegacyBatchesAsync(final AsyncWriteBinding binding, final AsyncConnection connection, final SingleResultCallback<BulkWriteResult> callback) {
    List<? extends WriteRequest> writeRequests = getWriteRequests();
    LoopState loopState = new LoopState();
    AsyncCallbackRunnable loop = new AsyncCallbackLoop(loopState, iterationCallback -> {
        int i = loopState.iteration();
        if (loopState.breakAndCompleteIf(() -> i == writeRequests.size(), iterationCallback)) {
            return;
        }
        WriteRequest writeRequest = writeRequests.get(i);
        SingleResultCallback<WriteConcernResult> commandCallback = (ignored, t) -> iterationCallback.onResult(null, t);
        if (writeRequest.getType() == INSERT) {
            connection.insertAsync(getNamespace(), isOrdered(), (InsertRequest) writeRequest, binding.getRequestContext(), commandCallback);
        } else if (writeRequest.getType() == UPDATE || writeRequest.getType() == REPLACE) {
            connection.updateAsync(getNamespace(), isOrdered(), (UpdateRequest) writeRequest, binding.getRequestContext(), commandCallback);
        } else {
            connection.deleteAsync(getNamespace(), isOrdered(), (DeleteRequest) writeRequest, binding.getRequestContext(), commandCallback);
        }
    });
    loop.run((voidResult, t) -> {
        if (t != null) {
            callback.onResult(null, t);
        } else {
            callback.onResult(BulkWriteResult.unacknowledged(), null);
        }
    });
}

Example 5 with Connection

use of com.mongodb.internal.connection.Connection in project mongo-java-driver by mongodb.

the class ServerSessionPool method endClosedSessions.

private void endClosedSessions(final List<BsonDocument> identifiers) {
    if (identifiers.isEmpty()) {
        return;
    }
    final List<ServerDescription> primaryPreferred = new ReadPreferenceServerSelector(ReadPreference.primaryPreferred()).select(cluster.getCurrentDescription());
    if (primaryPreferred.isEmpty()) {
        return;
    }
    Connection connection = null;
    try {
        connection = cluster.selectServer(new ServerSelector() {

            @Override
            public List<ServerDescription> select(final ClusterDescription clusterDescription) {
                for (ServerDescription cur : clusterDescription.getServerDescriptions()) {
                    if (cur.getAddress().equals(primaryPreferred.get(0).getAddress())) {
                        return Collections.singletonList(cur);
                    }
                }
                return Collections.emptyList();
            }
        }).getServer().getConnection();
        connection.command("admin", new BsonDocument("endSessions", new BsonArray(identifiers)), new NoOpFieldNameValidator(), ReadPreference.primaryPreferred(), new BsonDocumentCodec(), NoOpSessionContext.INSTANCE, serverApi, IgnorableRequestContext.INSTANCE);
    } catch (MongoException e) {
    // ignore exceptions
    } finally {
        if (connection != null) {
            connection.release();
        }
    }
}