DataChange

com.google.bigtable.v2.bigtable.ReadChangeStreamResponse$.DataChange

See theDataChange companion object

final case class DataChange(`type`: Type, sourceClusterId: String, rowKey: ByteString, commitTimestamp: Option[Timestamp], tiebreaker: Int, chunks: Seq[MutationChunk], done: Boolean, token: String, estimatedLowWatermark: Option[Timestamp], unknownFields: UnknownFieldSet) extends GeneratedMessage, Updatable[DataChange]

A message corresponding to one or more mutations to the partition being streamed. A single logical DataChange message may also be split across a sequence of multiple individual messages. Messages other than the first in a sequence will only have the type and chunks fields populated, with the final message in the sequence also containing done set to true.

Value parameters

chunks: The mutations associated with this change to the partition. May contain complete mutations or chunks of a multi-message chunked DataChange record.
commitTimestamp: The timestamp at which the mutation was applied on the Bigtable server.
done: When true, indicates that the entire DataChange has been read and the client can safely process the message.
estimatedLowWatermark: An estimate of the commit timestamp that is usually lower than or equal to any timestamp for a record that will be delivered in the future on the stream. It is possible that, under particular circumstances that a future record has a timestamp is is lower than a previously seen timestamp. For an example usage see https://beam.apache.org/documentation/basics/#watermarks
rowKey: The row key for all mutations that are part of this DataChange. If the DataChange is chunked across multiple messages, then this field will only be set for the first message.
sourceClusterId: The cluster where the mutation was applied. Not set when type is GARBAGE_COLLECTION.
tiebreaker: A value that lets stream consumers reconstruct Bigtable's conflict resolution semantics. https://cloud.google.com/bigtable/docs/writes#conflict-resolution In the event that the same row key, column family, column qualifier, timestamp are modified on different clusters at the same commit_timestamp, the mutation with the larger tiebreaker will be the one chosen for the eventually consistent state of the system.
token: An encoded position for this stream's partition to restart reading from. This token is for the StreamPartition from the request.
type: The type of the mutation.

Attributes

Companion: object
Source: ReadChangeStreamResponse.scala
Graph
Supertypes: trait Updatable[DataChange]

trait GeneratedMessage

trait Serializable

trait Product

trait Equals

class Object

trait Matchable

class Any
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