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>>
PTransform
to perform a conversion of Row
to Entity
.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) |
addAnnotation, compose, compose, getAdditionalInputs, getAnnotations, getDefaultOutputCoder, getDefaultOutputCoder, getDefaultOutputCoder, getKindString, getName, getResourceHints, populateDisplayData, setResourceHints, toString, validate, validate
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)
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>>
public static RowToEntity create(java.lang.String keyField, java.lang.String kind)
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 Key
s).PTransform
instance for Row to Entity conversion.public static RowToEntity createTest(java.lang.String keyString, java.lang.String keyField, java.lang.String kind)