Java Code Examples for org.apache.hadoop.io.file.tfile.Compression.Algorithm#getDecompressor()

The following examples show how to use org.apache.hadoop.io.file.tfile.Compression.Algorithm#getDecompressor() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: BCFile.java    From hadoop with Apache License 2.0 6 votes vote down vote up 
public RBlockState(Algorithm compressionAlgo, FSDataInputStream fsin,
    BlockRegion region, Configuration conf) throws IOException {
  this.compressAlgo = compressionAlgo;
  this.region = region;
  this.decompressor = compressionAlgo.getDecompressor();

  try {
    this.in =
        compressAlgo
            .createDecompressionStream(new BoundedRangeFileInputStream(
                fsin, this.region.getOffset(), this.region
                    .getCompressedSize()), decompressor, TFile
                .getFSInputBufferSize(conf));
  } catch (IOException e) {
    compressAlgo.returnDecompressor(decompressor);
    throw e;
  }
}
Example 2
Source File: BCFile.java    From big-c with Apache License 2.0 6 votes vote down vote up 
public RBlockState(Algorithm compressionAlgo, FSDataInputStream fsin,
    BlockRegion region, Configuration conf) throws IOException {
  this.compressAlgo = compressionAlgo;
  this.region = region;
  this.decompressor = compressionAlgo.getDecompressor();

  try {
    this.in =
        compressAlgo
            .createDecompressionStream(new BoundedRangeFileInputStream(
                fsin, this.region.getOffset(), this.region
                    .getCompressedSize()), decompressor, TFile
                .getFSInputBufferSize(conf));
  } catch (IOException e) {
    compressAlgo.returnDecompressor(decompressor);
    throw e;
  }
}
Example 3
Source File: DTBCFile.java    From attic-apex-malhar with Apache License 2.0 6 votes vote down vote up 
public RBlockState(Algorithm compressionAlgo, FSDataInputStream fsin, BlockRegion region, Configuration conf, Reader r) throws IOException
{
  this.compressAlgo = compressionAlgo;
  Decompressor decompressor = compressionAlgo.getDecompressor();
  this.region = region;
  try {

    InputStream in = compressAlgo.createDecompressionStream(new BoundedRangeFileInputStream(fsin, region.getOffset(), region.getCompressedSize()), decompressor, DTFile.getFSInputBufferSize(conf));
    int l = 1;
    r.baos.reset();
    byte[] buf = new byte[DTFile.getFSInputBufferSize(conf)];
    while (l >= 0) {
      l = in.read(buf);
      if (l > 0) {
        r.baos.write(buf, 0, l);
      }
    }
    // keep decompressed data into cache
    byte[] blockData = r.baos.toByteArray();
    rbain = new ReusableByteArrayInputStream(blockData);
  } catch (IOException e) {
    compressAlgo.returnDecompressor(decompressor);
    throw e;
  }

}
Example 4
Source File: BCFile.java    From RDFS with Apache License 2.0 6 votes vote down vote up 
public RBlockState(Algorithm compressionAlgo, FSDataInputStream fsin,
    BlockRegion region, Configuration conf) throws IOException {
  this.compressAlgo = compressionAlgo;
  this.region = region;
  this.decompressor = compressionAlgo.getDecompressor();

  try {
    this.in =
        compressAlgo
            .createDecompressionStream(new BoundedRangeFileInputStream(
                fsin, this.region.getOffset(), this.region
                    .getCompressedSize()), decompressor, TFile
                .getFSInputBufferSize(conf));
  } catch (IOException e) {
    compressAlgo.returnDecompressor(decompressor);
    throw e;
  }
}
Example 5
Source File: BCFile.java    From hadoop-gpu with Apache License 2.0 6 votes vote down vote up 
public RBlockState(Algorithm compressionAlgo, FSDataInputStream fsin,
    BlockRegion region, Configuration conf) throws IOException {
  this.compressAlgo = compressionAlgo;
  this.region = region;
  this.decompressor = compressionAlgo.getDecompressor();

  try {
    this.in =
        compressAlgo
            .createDecompressionStream(new BoundedRangeFileInputStream(
                fsin, this.region.getOffset(), this.region
                    .getCompressedSize()), decompressor, TFile
                .getFSInputBufferSize(conf));
  } catch (IOException e) {
    compressAlgo.returnDecompressor(decompressor);
    throw e;
  }
}