Examples of LzopDecompressor


Examples of com.hadoop.compression.lzo.LzopDecompressor

    Configuration conf = CompatibilityUtil.getConfiguration(context);
    CompressionCodecFactory factory = new CompressionCodecFactory(conf);
    CompressionCodec codec = factory.getCodec(lzoFile);
    ((Configurable)codec).setConf(conf);

    LzopDecompressor lzopDecompressor = (LzopDecompressor)codec.createDecompressor();
    FileSystem fs = lzoFile.getFileSystem(conf);
    rawInputStream = fs.open(lzoFile);

    // Creating the LzopInputStream here just reads the lzo header for us, nothing more.
    // We do the rest of our input off of the raw stream is.
    codec.createInputStream(rawInputStream, lzopDecompressor);

    // This must be called AFTER createInputStream is called, because createInputStream
    // is what reads the header, which has the checksum information.  Otherwise getChecksumsCount
    // erroneously returns zero, and all block offsets will be wrong.
    numCompressedChecksums = lzopDecompressor.getCompressedChecksumsCount();
    numDecompressedChecksums = lzopDecompressor.getDecompressedChecksumsCount();
  }
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