org.apache.beam.runners.spark.structuredstreaming.examples

Class WordCount.FormatAsTextFn

java.lang.Object

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

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

org.apache.beam.runners.spark.structuredstreaming.examples.WordCount.FormatAsTextFn

All Implemented Interfaces:

java.io.Serializable, HasDisplayData, ProcessFunction<KV<java.lang.String,java.lang.Long>,java.lang.String>, SerializableFunction<KV<java.lang.String,java.lang.Long>,java.lang.String>

Enclosing class:

WordCount

public static class WordCount.FormatAsTextFn
extends SimpleFunction<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(KV<java.lang.String,java.lang.Long> input) Returns the result of invoking this function on the given 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(KV<java.lang.String,java.lang.Long> input)

Description copied from interface: ProcessFunction

Returns the result of invoking this function on the given input.

Specified by:

apply in interface ProcessFunction<KV<java.lang.String,java.lang.Long>,java.lang.String>

Specified by:

apply in interface SerializableFunction<KV<java.lang.String,java.lang.Long>,java.lang.String>

Overrides:

apply in class SimpleFunction<KV<java.lang.String,java.lang.Long>,java.lang.String>