org.apache.beam.examples.complete

Class TfIdf.ComputeTfIdf

java.lang.Object

org.apache.beam.sdk.transforms.PTransform<PCollection<KV<URI,String>>,PCollection<KV<String,KV<URI,Double>>>>

org.apache.beam.examples.complete.TfIdf.ComputeTfIdf

All Implemented Interfaces:

Serializable, HasDisplayData

Enclosing class:

TfIdf

public static class TfIdf.ComputeTfIdf
extends PTransform<PCollection<KV<URI,String>>,PCollection<KV<String,KV<URI,Double>>>>

A transform containing a basic TF-IDF pipeline. The input consists of KV objects where the key is the document's URI and the value is a piece of the document's content. The output is mapping from terms to scores for each document URI.

See Also:

Serialized Form

Field Summary

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

name

Constructor Summary

Constructors

Constructor and Description
ComputeTfIdf()

Method Summary

Modifier and Type	Method and Description
PCollection<KV<String,KV<URI,Double>>>	apply(PCollection<KV<URI,String>> uriToContent)

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

Constructor Detail

ComputeTfIdf

public ComputeTfIdf()

Method Detail

apply

public PCollection<KV<String,KV<URI,Double>>> apply(PCollection<KV<URI,String>> uriToContent)

Specified by:

apply in class PTransform<PCollection<KV<URI,String>>,PCollection<KV<String,KV<URI,Double>>>>