Package org.apache.beam.sdk.schemas.transforms

Class RenameFields

java.lang.Object

org.apache.beam.sdk.schemas.transforms.RenameFields

public class RenameFields
extends Object

A transform for renaming fields inside an existing schema. Top level or nested fields can be renamed. When renaming a nested field, the nested prefix does not need to be specified again when specifying the new name.

Example use:

PCollection<Event> events = readEvents();
 PCollection<Row> renamedEvents =
   events.apply(RenameFields.<Event>create()
       .rename("userName", "userId")
       .rename("location.country", "countryCode"));
 

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	RenameFields.Inner<T>	The class implementing the actual PTransform.

Constructor Summary

Constructors

Constructor	Description
RenameFields()

Method Summary

Modifier and Type	Method	Description
static <T> RenameFields.Inner<T>	create()	Create an instance of this transform.

Methods inherited from class java.lang.Object

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

Constructor Details

RenameFields

public RenameFields()

Method Details

create

public static <T> RenameFields.Inner<T> create()

Create an instance of this transform.