org.apache.beam.sdk.io.gcp.datastore

Class RowToEntity

java.lang.Object

org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.Row>,org.apache.beam.sdk.values.PCollection<com.google.datastore.v1.Entity>>

org.apache.beam.sdk.io.gcp.datastore.RowToEntity

All Implemented Interfaces:

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

public class RowToEntity
extends org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.Row>,org.apache.beam.sdk.values.PCollection<com.google.datastore.v1.Entity>>

A PTransform to perform a conversion of Row to Entity.

See Also:

Serialized Form

Field Summary

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

annotations, displayData, name, resourceHints

Method Summary

Modifier and Type	Method and Description
static RowToEntity	create(java.lang.String keyField, java.lang.String kind) Create a PTransform instance.
static RowToEntity	createTest(java.lang.String keyString, java.lang.String keyField, java.lang.String kind)
org.apache.beam.sdk.values.PCollection<com.google.datastore.v1.Entity>	expand(org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.Row> input)

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

addAnnotation, compose, compose, getAdditionalInputs, getAnnotations, getDefaultOutputCoder, getDefaultOutputCoder, getDefaultOutputCoder, getKindString, getName, getResourceHints, populateDisplayData, setDisplayData, setResourceHints, toString, validate, validate

Methods inherited from class java.lang.Object

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

Method Detail

expand

public org.apache.beam.sdk.values.PCollection<com.google.datastore.v1.Entity> expand(org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.Row> input)

Specified by:

expand in class org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.Row>,org.apache.beam.sdk.values.PCollection<com.google.datastore.v1.Entity>>

create

public static RowToEntity create(java.lang.String keyField,
                                 java.lang.String kind)

Create a PTransform instance.

Parameters:

keyField - Row field containing a serialized Key, must be set when using user specified keys.

kind - DataStore `Kind` data will be written to (required when generating random Keys).

Returns:

PTransform instance for Row to Entity conversion.

createTest

public static RowToEntity createTest(java.lang.String keyString,
                                     java.lang.String keyField,
                                     java.lang.String kind)