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

Class WriteToText.WriteOneFilePerWindow

java.lang.Object

org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<java.lang.String>,org.apache.beam.sdk.values.PDone>

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

All Implemented Interfaces:

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

Enclosing class:

WriteToText<InputT>

protected static class WriteToText.WriteOneFilePerWindow
extends org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<java.lang.String>,org.apache.beam.sdk.values.PDone>

A DoFn that writes elements to files with names deterministically derived from the lower and upper bounds of their key (an IntervalWindow).

See Also:

Serialized Form

Field Summary

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

name, resourceHints

Constructor Summary

Constructors

Constructor and Description
WriteOneFilePerWindow(java.lang.String filenamePrefix)

Method Summary

Modifier and Type	Method and Description
org.apache.beam.sdk.values.PDone	expand(org.apache.beam.sdk.values.PCollection<java.lang.String> 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

WriteOneFilePerWindow

public WriteOneFilePerWindow(java.lang.String filenamePrefix)

Method Detail

expand

public org.apache.beam.sdk.values.PDone expand(org.apache.beam.sdk.values.PCollection<java.lang.String> input)

Specified by:

expand in class org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<java.lang.String>,org.apache.beam.sdk.values.PDone>