org.apache.beam.sdk.io.gcp.bigquery

Class StorageApiConvertMessages<DestinationT,ElementT>

java.lang.Object

org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<DestinationT,ElementT>>,org.apache.beam.sdk.values.PCollectionTuple>

org.apache.beam.sdk.io.gcp.bigquery.StorageApiConvertMessages<DestinationT,ElementT>

All Implemented Interfaces:

java.io.Serializable, org.apache.beam.sdk.transforms.display.HasDisplayData

public class StorageApiConvertMessages<DestinationT,ElementT>
extends org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<DestinationT,ElementT>>,org.apache.beam.sdk.values.PCollectionTuple>

A transform that converts messages to protocol buffers in preparation for writing to BigQuery.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	StorageApiConvertMessages.ConvertMessagesDoFn<DestinationT,ElementT>

Field Summary

Fields inherited from class org.apache.beam.sdk.transforms.PTransform

name, resourceHints

Constructor Summary

Constructors

Constructor and Description

StorageApiConvertMessages(org.apache.beam.sdk.io.gcp.bigquery.StorageApiDynamicDestinations<ElementT,DestinationT> dynamicDestinations, BigQueryServices bqServices, org.apache.beam.sdk.values.TupleTag<BigQueryStorageApiInsertError> failedWritesTag, org.apache.beam.sdk.values.TupleTag<org.apache.beam.sdk.values.KV<DestinationT,StorageApiWritePayload>> successfulWritesTag, org.apache.beam.sdk.coders.Coder<BigQueryStorageApiInsertError> errorCoder, org.apache.beam.sdk.coders.Coder<org.apache.beam.sdk.values.KV<DestinationT,StorageApiWritePayload>> successCoder, @Nullable org.apache.beam.sdk.transforms.SerializableFunction<ElementT,RowMutationInformation> rowMutationFn)

Method Summary

Modifier and Type	Method and Description
org.apache.beam.sdk.values.PCollectionTuple	expand(org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<DestinationT,ElementT>> input)

Methods inherited from class org.apache.beam.sdk.transforms.PTransform

compose, compose, getAdditionalInputs, getDefaultOutputCoder, getDefaultOutputCoder, getDefaultOutputCoder, getKindString, getName, getResourceHints, populateDisplayData, setResourceHints, toString, validate, validate

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

StorageApiConvertMessages

public StorageApiConvertMessages(org.apache.beam.sdk.io.gcp.bigquery.StorageApiDynamicDestinations<ElementT,DestinationT> dynamicDestinations,
                                 BigQueryServices bqServices,
                                 org.apache.beam.sdk.values.TupleTag<BigQueryStorageApiInsertError> failedWritesTag,
                                 org.apache.beam.sdk.values.TupleTag<org.apache.beam.sdk.values.KV<DestinationT,StorageApiWritePayload>> successfulWritesTag,
                                 org.apache.beam.sdk.coders.Coder<BigQueryStorageApiInsertError> errorCoder,
                                 org.apache.beam.sdk.coders.Coder<org.apache.beam.sdk.values.KV<DestinationT,StorageApiWritePayload>> successCoder,
                                 @Nullable org.apache.beam.sdk.transforms.SerializableFunction<ElementT,RowMutationInformation> rowMutationFn)

Method Detail

expand

public org.apache.beam.sdk.values.PCollectionTuple expand(org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<DestinationT,ElementT>> input)

Specified by:

expand in class org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<DestinationT,ElementT>>,org.apache.beam.sdk.values.PCollectionTuple>