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akka.stream.scaladsl

Compression

object Compression

Source
Compression.scala
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Value Members

  1. final val MaxBytesPerChunkDefault: Int(65536)
  2. def deflate: Flow[ByteString, ByteString, NotUsed]

    Creates a flow that deflate-compresses a stream of ByteString.

    Creates a flow that deflate-compresses a stream of ByteString. Note that the compressor will SYNC_FLUSH after every ByteString so that it is guaranteed that every ByteString coming out of the flow can be fully decompressed without waiting for additional data. This may come at a compression performance cost for very small chunks.

    FIXME: should compression level / strategy / flush mode be configurable? See https://github.com/akka/akka/issues/21849

  3. def gunzip(maxBytesPerChunk: Int = MaxBytesPerChunkDefault): Flow[ByteString, ByteString, NotUsed]

    Creates a Flow that decompresses a gzip-compressed stream of data.

    Creates a Flow that decompresses a gzip-compressed stream of data.

    maxBytesPerChunk

    Maximum length of an output ByteString chunk.

  4. def gzip: Flow[ByteString, ByteString, NotUsed]

    Creates a flow that gzip-compresses a stream of ByteStrings.

    Creates a flow that gzip-compresses a stream of ByteStrings. Note that the compressor will SYNC_FLUSH after every ByteString so that it is guaranteed that every ByteString coming out of the flow can be fully decompressed without waiting for additional data. This may come at a compression performance cost for very small chunks.

    FIXME: should compression level / strategy / flush mode be configurable? See https://github.com/akka/akka/issues/21849

  5. def inflate(maxBytesPerChunk: Int = MaxBytesPerChunkDefault): Flow[ByteString, ByteString, NotUsed]

    Creates a Flow that decompresses a deflate-compressed stream of data.

    Creates a Flow that decompresses a deflate-compressed stream of data.

    maxBytesPerChunk

    Maximum length of an output ByteString chunk.