Package org.apache.beam.runners.dataflow.internal
Implementation of the
DataflowRunner.-
Class Summary Class Description CustomSources A helper class for supporting sources defined asSource.DataflowGroupByKey<K,V> Specialized implementation ofGroupByKeyfor translating Redistribute transform into Dataflow service protos.DataflowGroupByKey.Registrar RegistersDataflowGroupByKey.DataflowGroupByKeyTranslator.IsmFormat An Ism file is a prefix encoded composite key value file broken into shards.IsmFormat.Footer The footer stores the relevant information required to locate the index and bloom filter.IsmFormat.FooterCoder ACoderforIsmFormat.Footer.IsmFormat.IsmRecord<V> A record containing a composite key and either a value or metadata.IsmFormat.IsmRecordCoder<V> ACoderforIsmFormat.IsmRecords.IsmFormat.IsmShard A shard descriptor containing shard id, the data block offset, and the index offset for the given shard.IsmFormat.IsmShardCoder A coder forIsmFormat.IsmShards.IsmFormat.KeyPrefix The prefix used before each key which contains the number of shared and unshared bytes from the previous key that was read.IsmFormat.KeyPrefixCoder ACoderforIsmFormat.KeyPrefix.IsmFormat.MetadataKeyCoder<K> A coder for metadata key component.