Class EntityToRow
- java.lang.Object
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- org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<com.google.datastore.v1.Entity>,org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.Row>>
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- org.apache.beam.sdk.io.gcp.datastore.EntityToRow
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- All Implemented Interfaces:
java.io.Serializable
,org.apache.beam.sdk.transforms.display.HasDisplayData
public class EntityToRow extends org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<com.google.datastore.v1.Entity>,org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.Row>>
APTransform
to perform a conversion ofEntity
toRow
.- See Also:
- Serialized Form
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description static EntityToRow
create(org.apache.beam.sdk.schemas.Schema schema, java.lang.String keyField)
Create a PTransform instance.org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.Row>
expand(org.apache.beam.sdk.values.PCollection<com.google.datastore.v1.Entity> input)
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Method Detail
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create
public static EntityToRow create(org.apache.beam.sdk.schemas.Schema schema, java.lang.String keyField)
Create a PTransform instance.- Parameters:
schema
-Schema
of the target row.keyField
- A name of the row field to store theKey
in.- Returns:
PTransform
instance for Entity to Row conversion.
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expand
public org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.Row> expand(org.apache.beam.sdk.values.PCollection<com.google.datastore.v1.Entity> input)
- Specified by:
expand
in classorg.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<com.google.datastore.v1.Entity>,org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.Row>>
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