Package org.apache.beam.examples.complete

Class AutoComplete

java.lang.Object

org.apache.beam.examples.complete.AutoComplete

public class AutoComplete
extends java.lang.Object

An example that computes the most popular hash tags for every prefix, which can be used for auto-completion.

Concepts: Using the same pipeline in both streaming and batch, combiners, composite transforms.

To execute this pipeline in streaming mode, specify:

 --streaming
 

To change the runner, specify:

 --runner=YOUR_SELECTED_RUNNER
 

See examples/java/README.md for instructions about how to configure different runners.

This will update the Cloud Datastore every 10 seconds based on the last 30 minutes of data received.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	AutoComplete.ComputeTopCompletions	A PTransform that takes as input a list of tokens and returns the most common tokens per prefix.
static interface	AutoComplete.Options	Options supported by this class.

Constructor Summary

Constructors

Constructor	Description
AutoComplete()

Method Summary

Modifier and Type	Method	Description
static void	main(java.lang.String[] args)
static void	runAutocompletePipeline(AutoComplete.Options options)

Methods inherited from class java.lang.Object

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

Constructor Detail

AutoComplete

public AutoComplete()

Method Detail

runAutocompletePipeline

public static void runAutocompletePipeline(AutoComplete.Options options)
                                    throws java.io.IOException

Throws:

java.io.IOException

main

public static void main(java.lang.String[] args)
                 throws java.io.IOException

Throws:

java.io.IOException