Class BeamRowToBigtableMutation
- java.lang.Object
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- org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.Row>,org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<com.google.protobuf.ByteString,java.lang.Iterable<com.google.bigtable.v2.Mutation>>>>
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- org.apache.beam.sdk.io.gcp.bigtable.BeamRowToBigtableMutation
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- All Implemented Interfaces:
java.io.Serializable
,org.apache.beam.sdk.transforms.display.HasDisplayData
public class BeamRowToBigtableMutation 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<org.apache.beam.sdk.values.KV<com.google.protobuf.ByteString,java.lang.Iterable<com.google.bigtable.v2.Mutation>>>> implements java.io.Serializable
Bigtable reference: .Requires a flat schema and a mapping which column family corresponds to which column.
Row
represents BigtableMutation
in the following way:Mapped Beam
Row
:BEAM_ROW: ROW
VALUE: Beam
Schema
type except for ARRAY, DECIMAL, ITERABLE, MAP, ROWMapped
Mutation
:mutation: key, setCell[]
setCell: familyName, columnQualifier, ROW[columnQualifier] - familyName comes from the column: family mapping
- See Also:
- Serialized Form
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Nested Class Summary
Nested Classes Modifier and Type Class Description static class
BeamRowToBigtableMutation.ToBigtableRowFn
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Constructor Summary
Constructors Constructor Description BeamRowToBigtableMutation(java.util.Map<java.lang.String,java.util.Set<java.lang.String>> familyColumnMapping)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<com.google.protobuf.ByteString,java.lang.Iterable<com.google.bigtable.v2.Mutation>>>
expand(org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.Row> input)
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Method Detail
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expand
public org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<com.google.protobuf.ByteString,java.lang.Iterable<com.google.bigtable.v2.Mutation>>> expand(org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.Row> input)
- Specified by:
expand
in classorg.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.Row>,org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<com.google.protobuf.ByteString,java.lang.Iterable<com.google.bigtable.v2.Mutation>>>>
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