org.apache.beam.sdk.schemas.transforms

Class RenameFields

java.lang.Object

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

@Experimental(value=SCHEMAS)
public class RenameFields
extends java.lang.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 and Description
static class	RenameFields.Inner<T> The class implementing the actual PTransform.

Constructor Summary

Constructors

Constructor and Description
RenameFields()

Method Summary

Modifier and Type	Method and 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 Detail

RenameFields

public RenameFields()

Method Detail

create

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

Create an instance of this transform.