org.apache.beam.examples.complete.game.utils

Class WriteToBigQuery<T>

java.lang.Object

org.apache.beam.sdk.transforms.PTransform<PCollection<T>,PDone>

org.apache.beam.examples.complete.game.utils.WriteToBigQuery<T>

All Implemented Interfaces:

Serializable, HasDisplayData

Direct Known Subclasses:

WriteWindowedToBigQuery

public class WriteToBigQuery<T>
extends PTransform<PCollection<T>,PDone>

Generate, format, and write BigQuery table row information. Use provided information about the field names and types, as well as lambda functions that describe how to generate their values.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	WriteToBigQuery.BuildRowFn Convert each key/score pair into a BigQuery TableRow as specified by fieldFn.
static class	WriteToBigQuery.FieldInfo<T> Define a class to hold information about output table field definitions.

Field Summary

Fields

Modifier and Type	Field and Description
protected Map<String,WriteToBigQuery.FieldInfo<T>>	fieldInfo
protected String	tableName

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

name

Constructor Summary

Constructors

Constructor and Description
WriteToBigQuery()
WriteToBigQuery(String tableName, Map<String,WriteToBigQuery.FieldInfo<T>> fieldInfo)

Method Summary

Modifier and Type	Method and Description
PDone	apply(PCollection<T> teamAndScore)
protected com.google.api.services.bigquery.model.TableSchema	getSchema() Build the output table schema.

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

getDefaultOutputCoder, getDefaultOutputCoder, getDefaultOutputCoder, getKindString, getName, populateDisplayData, toString, validate

Methods inherited from class java.lang.Object

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

Field Detail

tableName

protected String tableName

fieldInfo

protected Map<String,WriteToBigQuery.FieldInfo<T>> fieldInfo

Constructor Detail

WriteToBigQuery

public WriteToBigQuery()

WriteToBigQuery

public WriteToBigQuery(String tableName,
                       Map<String,WriteToBigQuery.FieldInfo<T>> fieldInfo)

Method Detail

getSchema

protected com.google.api.services.bigquery.model.TableSchema getSchema()

Build the output table schema.

apply

public PDone apply(PCollection<T> teamAndScore)

Overrides:

apply in class PTransform<PCollection<T>,PDone>