Examples with DeliveryGuarantee org.apache.flink.connector.base.DeliveryGuarantee used on opensource projects

Example 1 with DeliveryGuarantee

use of org.apache.flink.connector.base.DeliveryGuarantee in project flink by apache.

the class PulsarSinkBuilder method build.

/**
 * Build the {@link PulsarSink}.
 *
 * @return a PulsarSink with the settings made for this builder.
 */
public PulsarSink<IN> build() {
    // Change delivery guarantee.
    DeliveryGuarantee deliveryGuarantee = configBuilder.get(PULSAR_WRITE_DELIVERY_GUARANTEE);
    if (deliveryGuarantee == DeliveryGuarantee.NONE) {
        LOG.warn("You haven't set delivery guarantee or set it to NONE, this would cause data loss. Make sure you have known this shortcoming.");
    } else if (deliveryGuarantee == DeliveryGuarantee.EXACTLY_ONCE) {
        LOG.info("Exactly once require flink checkpoint and your pulsar cluster should support the transaction.");
        configBuilder.override(PULSAR_ENABLE_TRANSACTION, true);
        configBuilder.override(PULSAR_SEND_TIMEOUT_MS, 0L);
        if (!configBuilder.contains(PULSAR_WRITE_TRANSACTION_TIMEOUT)) {
            LOG.warn("The default pulsar transaction timeout is 3 hours, make sure it was greater than your checkpoint interval.");
        } else {
            Long timeout = configBuilder.get(PULSAR_WRITE_TRANSACTION_TIMEOUT);
            LOG.warn("The configured transaction timeout is {} mille seconds, make sure it was greater than your checkpoint interval.", timeout);
        }
    }
    if (!configBuilder.contains(PULSAR_PRODUCER_NAME)) {
        LOG.warn("We recommend set a readable producer name through setProducerName(String) in production mode.");
    }
    checkNotNull(serializationSchema, "serializationSchema must be set.");
    if (serializationSchema instanceof PulsarSchemaWrapper && !Boolean.TRUE.equals(configBuilder.get(PULSAR_WRITE_SCHEMA_EVOLUTION))) {
        LOG.info("It seems like you want to send message in Pulsar Schema." + " You can enableSchemaEvolution for using this feature." + " We would use Schema.BYTES as the default schema if you don't enable this option.");
    }
    // Topic metadata listener validation.
    if (metadataListener == null) {
        if (topicRouter == null) {
            throw new NullPointerException("No topic names or custom topic router are provided.");
        } else {
            LOG.warn("No topic set has been provided, make sure your custom topic router support empty topic set.");
            this.metadataListener = new TopicMetadataListener();
        }
    }
    // Topic routing mode validate.
    if (topicRoutingMode == null) {
        LOG.info("No topic routing mode has been chosen. We use round-robin mode as default.");
        this.topicRoutingMode = TopicRoutingMode.ROUND_ROBIN;
    }
    if (messageDelayer == null) {
        this.messageDelayer = MessageDelayer.never();
    }
    // This is an unmodifiable configuration for Pulsar.
    // We don't use Pulsar's built-in configure classes for compatible requirement.
    SinkConfiguration sinkConfiguration = configBuilder.build(SINK_CONFIG_VALIDATOR, SinkConfiguration::new);
    return new PulsarSink<>(sinkConfiguration, serializationSchema, metadataListener, topicRoutingMode, topicRouter, messageDelayer);
}

Example 2 with DeliveryGuarantee

use of org.apache.flink.connector.base.DeliveryGuarantee in project flink by apache.

the class TopicProducerRegister method createMessageBuilder.

/**
 * Create a TypedMessageBuilder which could be sent to Pulsar directly. First, we would create a
 * topic-related producer or use a cached instead. Then we would try to find a topic-related
 * transaction. We would generate a transaction instance if there is no transaction. Finally, we
 * create the message builder and put the element into it.
 */
public <T> TypedMessageBuilder<T> createMessageBuilder(String topic, Schema<T> schema) {
    Producer<T> producer = getOrCreateProducer(topic, schema);
    DeliveryGuarantee deliveryGuarantee = sinkConfiguration.getDeliveryGuarantee();
    if (deliveryGuarantee == DeliveryGuarantee.EXACTLY_ONCE) {
        Transaction transaction = getOrCreateTransaction(topic);
        return producer.newMessage(transaction);
    } else {
        return producer.newMessage();
    }
}

Example 3 with DeliveryGuarantee

use of org.apache.flink.connector.base.DeliveryGuarantee in project flink by apache.

the class KafkaDynamicTableFactory method createDynamicTableSink.

@Override
public DynamicTableSink createDynamicTableSink(Context context) {
    final TableFactoryHelper helper = FactoryUtil.createTableFactoryHelper(this, autoCompleteSchemaRegistrySubject(context));
    final Optional<EncodingFormat<SerializationSchema<RowData>>> keyEncodingFormat = getKeyEncodingFormat(helper);
    final EncodingFormat<SerializationSchema<RowData>> valueEncodingFormat = getValueEncodingFormat(helper);
    helper.validateExcept(PROPERTIES_PREFIX);
    final ReadableConfig tableOptions = helper.getOptions();
    final DeliveryGuarantee deliveryGuarantee = validateDeprecatedSemantic(tableOptions);
    validateTableSinkOptions(tableOptions);
    KafkaConnectorOptionsUtil.validateDeliveryGuarantee(tableOptions);
    validatePKConstraints(context.getObjectIdentifier(), context.getPrimaryKeyIndexes(), context.getCatalogTable().getOptions(), valueEncodingFormat);
    final DataType physicalDataType = context.getPhysicalRowDataType();
    final int[] keyProjection = createKeyFormatProjection(tableOptions, physicalDataType);
    final int[] valueProjection = createValueFormatProjection(tableOptions, physicalDataType);
    final String keyPrefix = tableOptions.getOptional(KEY_FIELDS_PREFIX).orElse(null);
    final Integer parallelism = tableOptions.getOptional(SINK_PARALLELISM).orElse(null);
    return createKafkaTableSink(physicalDataType, keyEncodingFormat.orElse(null), valueEncodingFormat, keyProjection, valueProjection, keyPrefix, tableOptions.get(TOPIC).get(0), getKafkaProperties(context.getCatalogTable().getOptions()), getFlinkKafkaPartitioner(tableOptions, context.getClassLoader()).orElse(null), deliveryGuarantee, parallelism, tableOptions.get(TRANSACTIONAL_ID_PREFIX));
}