org.apache.beam.examples.complete

Class AutoComplete.ComputeTopCompletions

java.lang.Object

org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<java.lang.String>,org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<java.lang.String,java.util.List<org.apache.beam.examples.complete.AutoComplete.CompletionCandidate>>>>

org.apache.beam.examples.complete.AutoComplete.ComputeTopCompletions

All Implemented Interfaces:

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

Enclosing class:

AutoComplete

public static class AutoComplete.ComputeTopCompletions
extends org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<java.lang.String>,org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<java.lang.String,java.util.List<org.apache.beam.examples.complete.AutoComplete.CompletionCandidate>>>>

A PTransform that takes as input a list of tokens and returns the most common tokens per prefix.

See Also:

Serialized Form

Field Summary

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

name, resourceHints

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ComputeTopCompletions(int candidatesPerPrefix, boolean recursive)

Method Summary

Modifier and Type	Method and Description
org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<java.lang.String,java.util.List<org.apache.beam.examples.complete.AutoComplete.CompletionCandidate>>>	expand(org.apache.beam.sdk.values.PCollection<java.lang.String> input)
static AutoComplete.ComputeTopCompletions	top(int candidatesPerPrefix, boolean recursive)

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

ComputeTopCompletions

protected ComputeTopCompletions(int candidatesPerPrefix,
                                boolean recursive)

Method Detail

top

public static AutoComplete.ComputeTopCompletions top(int candidatesPerPrefix,
                                                     boolean recursive)

expand

public org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<java.lang.String,java.util.List<org.apache.beam.examples.complete.AutoComplete.CompletionCandidate>>> 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.PCollection<org.apache.beam.sdk.values.KV<java.lang.String,java.util.List<org.apache.beam.examples.complete.AutoComplete.CompletionCandidate>>>>