org.apache.beam.examples.complete

Class TfIdf.ComputeTfIdf

java.lang.Object

org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<java.net.URI,java.lang.String>>,org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<java.lang.String,org.apache.beam.sdk.values.KV<java.net.URI,java.lang.Double>>>>

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

All Implemented Interfaces:

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

Enclosing class:

TfIdf

public static class TfIdf.ComputeTfIdf
extends org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<java.net.URI,java.lang.String>>,org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<java.lang.String,org.apache.beam.sdk.values.KV<java.net.URI,java.lang.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, resourceHints

Constructor Summary

Constructors

Constructor and Description
ComputeTfIdf()

Method Summary

Modifier and Type	Method and Description
org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<java.lang.String,org.apache.beam.sdk.values.KV<java.net.URI,java.lang.Double>>>	expand(org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<java.net.URI,java.lang.String>> uriToContent)

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

ComputeTfIdf

public ComputeTfIdf()

Method Detail

expand

public org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<java.lang.String,org.apache.beam.sdk.values.KV<java.net.URI,java.lang.Double>>> expand(org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<java.net.URI,java.lang.String>> uriToContent)

Specified by:

expand in class org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<java.net.URI,java.lang.String>>,org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<java.lang.String,org.apache.beam.sdk.values.KV<java.net.URI,java.lang.Double>>>>