org.apache.beam.examples

Class WordCount.FormatAsTextFn

java.lang.Object

org.apache.beam.sdk.transforms.InferableFunction<InputT,OutputT>

org.apache.beam.sdk.transforms.SimpleFunction<org.apache.beam.sdk.values.KV<java.lang.String,java.lang.Long>,java.lang.String>

org.apache.beam.examples.WordCount.FormatAsTextFn

All Implemented Interfaces:

java.io.Serializable, org.apache.beam.sdk.transforms.display.HasDisplayData, org.apache.beam.sdk.transforms.ProcessFunction<org.apache.beam.sdk.values.KV<java.lang.String,java.lang.Long>,java.lang.String>, org.apache.beam.sdk.transforms.SerializableFunction<org.apache.beam.sdk.values.KV<java.lang.String,java.lang.Long>,java.lang.String>

Enclosing class:

WordCount

public static class WordCount.FormatAsTextFn
extends org.apache.beam.sdk.transforms.SimpleFunction<org.apache.beam.sdk.values.KV<java.lang.String,java.lang.Long>,java.lang.String>

A SimpleFunction that converts a Word and Count into a printable string.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
FormatAsTextFn()

Method Summary

Modifier and Type	Method and Description
java.lang.String	apply(org.apache.beam.sdk.values.KV<java.lang.String,java.lang.Long> input)

Methods inherited from class org.apache.beam.sdk.transforms.SimpleFunction

fromSerializableFunctionWithOutputType

Methods inherited from class org.apache.beam.sdk.transforms.InferableFunction

fromProcessFunctionWithOutputType, getInputTypeDescriptor, getOutputTypeDescriptor, populateDisplayData

Methods inherited from class java.lang.Object

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

Constructor Detail

FormatAsTextFn

public FormatAsTextFn()

Method Detail

apply

public java.lang.String apply(org.apache.beam.sdk.values.KV<java.lang.String,java.lang.Long> input)

Specified by:

apply in interface org.apache.beam.sdk.transforms.ProcessFunction<org.apache.beam.sdk.values.KV<java.lang.String,java.lang.Long>,java.lang.String>

Specified by:

apply in interface org.apache.beam.sdk.transforms.SerializableFunction<org.apache.beam.sdk.values.KV<java.lang.String,java.lang.Long>,java.lang.String>

Overrides:

apply in class org.apache.beam.sdk.transforms.SimpleFunction<org.apache.beam.sdk.values.KV<java.lang.String,java.lang.Long>,java.lang.String>