org.apache.beam.sdk.extensions.jackson

Class ParseJsons<OutputT>

java.lang.Object

org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<java.lang.String>,org.apache.beam.sdk.values.PCollection<OutputT>>

org.apache.beam.sdk.extensions.jackson.ParseJsons<OutputT>

All Implemented Interfaces:

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

public class ParseJsons<OutputT>
extends org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<java.lang.String>,org.apache.beam.sdk.values.PCollection<OutputT>>

PTransform for parsing JSON Strings. Parse PCollection of Strings in JSON format into a PCollection of objects represented by those JSON Strings using Jackson.

See Also:

Serialized Form

Field Summary

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

name

Method Summary

Modifier and Type	Method and Description
org.apache.beam.sdk.values.PCollection<OutputT>	expand(org.apache.beam.sdk.values.PCollection<java.lang.String> input)
static <OutputT> ParseJsons<OutputT>	of(java.lang.Class<? extends OutputT> outputClass) Creates a ParseJsons PTransform that will parse JSON Strings into a PCollection<OutputT> using a Jackson ObjectMapper.
ParseJsons<OutputT>	withMapper(com.fasterxml.jackson.databind.ObjectMapper mapper) Use custom Jackson ObjectMapper instead of the default one.

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

getAdditionalInputs, getDefaultOutputCoder, getDefaultOutputCoder, getDefaultOutputCoder, getKindString, getName, populateDisplayData, toString, validate

Methods inherited from class java.lang.Object

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

Method Detail

of

public static <OutputT> ParseJsons<OutputT> of(java.lang.Class<? extends OutputT> outputClass)

Creates a ParseJsons PTransform that will parse JSON Strings into a PCollection<OutputT> using a Jackson ObjectMapper.

withMapper

public ParseJsons<OutputT> withMapper(com.fasterxml.jackson.databind.ObjectMapper mapper)

Use custom Jackson ObjectMapper instead of the default one.

expand

public org.apache.beam.sdk.values.PCollection<OutputT> 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<OutputT>>