Package net.jpountz.lz4

Examples of net.jpountz.lz4.AbstractLZ4RoundtripTest$DirectBufferTester

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        private final net.jpountz.lz4.LZ4Compressor compressor;
        private final net.jpountz.lz4.LZ4Decompressor decompressor;

        private LZ4Compressor()
        {
            final LZ4Factory lz4Factory = LZ4Factory.fastestInstance();
            compressor = lz4Factory.fastCompressor();
            decompressor = lz4Factory.decompressor();
        }
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        private static final int INTEGER_BYTES = 4;
        private final net.jpountz.lz4.LZ4Compressor compressor;
        private final net.jpountz.lz4.LZ4FastDecompressor decompressor;

        private LZ4Compressor() {
            final LZ4Factory lz4Factory = LZ4Factory.fastestInstance();
            compressor = lz4Factory.fastCompressor();
            decompressor = lz4Factory.fastDecompressor();
        }
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    private final net.jpountz.lz4.LZ4Compressor compressor;
    private final net.jpountz.lz4.LZ4Decompressor decompressor;

    private LZ4Compressor(Map<String, String> args)
    {
        final LZ4Factory lz4Factory = LZ4Factory.fastestInstance();

        Boolean use_hc = Boolean.parseBoolean(args.get(USE_HC));

        if (use_hc){
            compressor = lz4Factory.highCompressor();
        } else {
            compressor = lz4Factory.fastCompressor();
        }

        decompressor = lz4Factory.decompressor();
    }
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        private static final int INTEGER_BYTES = 4;
        private final net.jpountz.lz4.LZ4Compressor compressor;
        private final net.jpountz.lz4.LZ4FastDecompressor decompressor;

        private LZ4Compressor() {
            final LZ4Factory lz4Factory = LZ4Factory.fastestInstance();
            compressor = lz4Factory.fastCompressor();
            decompressor = lz4Factory.fastDecompressor();
        }
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        private static final int INTEGER_BYTES = 4;
        private final net.jpountz.lz4.LZ4Compressor compressor;
        private final net.jpountz.lz4.LZ4FastDecompressor decompressor;

        private LZ4Compressor() {
            final LZ4Factory lz4Factory = LZ4Factory.fastestInstance();
            compressor = lz4Factory.fastCompressor();
            decompressor = lz4Factory.fastDecompressor();
        }
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    byte[] compressed = new byte[maxCompressedLength];
    int compressedLength = compressor.compress(data, 0, decompressedLength, compressed, 0, maxCompressedLength);

    // decompress data
    // - method 1: when the decompressed length is known
    LZ4FastDecompressor decompressor = factory.fastDecompressor();
    byte[] restored = new byte[decompressedLength];
    int compressedLength2 = decompressor.decompress(compressed, 0, restored, 0, decompressedLength);
    // compressedLength == compressedLength2

    // - method 2: when the compressed length is known (a little slower)
    // the destination buffer needs to be over-sized
    LZ4SafeDecompressor decompressor2 = factory.safeDecompressor();
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      int compressedLength = bytes.length - 4;
      ByteBuffer compbb = ByteBuffer.wrap(bytes);
      int decompressedLength = compbb.getInt();

     
      LZ4FastDecompressor decompressor = factory.fastDecompressor();
      byte[] decompressedBytes = new byte[decompressedLength];
      int compressedLength2 = decompressor.decompress(bytes, 4, decompressedBytes, 0, decompressedLength);
     
      assert(compressedLength == compressedLength2);
     
      return codecUncompressed.createObjectFromBytes(decompressedBytes);
   }
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      int compressedLength      = buffer.getInt() - 4;
      int decompressedLength    = buffer.getInt();
      int compressedBytesOffset = buffer.arrayOffset() + buffer.position();
      byte[] compressedBytes    = buffer.array();
     
      LZ4FastDecompressor decompressor = factory.fastDecompressor();
      byte[] decompressedBytes = new byte[decompressedLength];
      int compressedLength2 = decompressor.decompress(compressedBytes, compressedBytesOffset, decompressedBytes, 0, decompressedLength);
     
      assert(compressedLength == compressedLength2);
     
      return codecUncompressed.createObjectFromBytes(decompressedBytes);
   }
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            {
                in = new DataInputStream(new SnappyInputStream(socket.getInputStream()));
            }
            else
            {
                LZ4FastDecompressor decompressor = LZ4Factory.fastestInstance().fastDecompressor();
                Checksum checksum = XXHashFactory.fastestInstance().newStreamingHash32(OutboundTcpConnection.LZ4_HASH_SEED).asChecksum();
                in = new DataInputStream(new LZ4BlockInputStream(socket.getInputStream(),
                                                                 decompressor,
                                                                 checksum));
            }
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            logger.debug("Upgrading incoming connection to be compressed");
            if (version < MessagingService.VERSION_21)
                in = new DataInputStream(new SnappyInputStream(socket.getInputStream()));
            else
            {
                LZ4FastDecompressor decompressor = LZ4Factory.fastestInstance().fastDecompressor();
                Checksum checksum = XXHashFactory.fastestInstance().newStreamingHash32(OutboundTcpConnection.LZ4_HASH_SEED).asChecksum();
                in = new DataInputStream(new LZ4BlockInputStream(socket.getInputStream(),
                                                                 decompressor,
                                                                 checksum));
            }
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Related Classes of net.jpountz.lz4.AbstractLZ4RoundtripTest$DirectBufferTester

  • ch.usi.dslab.bezerra.netwrapper.codecs.CodecLZ4
  • com.datastax.driver.core.FrameCompressor$LZ4Compressor
  • io.druid.client.cache.LZ4Transcoder
  • io.netty.handler.codec.compression.Lz4FrameDecoderTest
  • io.netty.handler.codec.compression.Lz4FrameEncoderTest
  • net.jpountz.example.LZ4Example
  • org.apache.cassandra.io.compress.LZ4Compressor
  • org.apache.cassandra.net.IncomingTcpConnection
  • org.apache.cassandra.net.OutboundTcpConnection
  • org.apache.cassandra.transport.FrameCompressor$LZ4Compressor
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