Examples of org.apache.hadoop.io.compress.DefaultCodec$DefaultCompressionInputStream

org.apache.hadoop.io.compress.DefaultCodec
A DeflaterOutputStream that provides a mechanism to reset the decompressor. @author Owen O'Malley

          } catch (ClassNotFoundException cnfe) {
            throw new IllegalArgumentException("Unknown codec: " + 
                                               codecClassname, cnfe);
          }
        } else {
          codec = new DefaultCodec();
          ((Configurable)codec).setConf(conf);
        }
      }
      
      if (version > 1) {                          // if version > 1

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  public TestSequenceFile(String name) { super(name); }


  /** Unit tests for SequenceFile. */
  public void testZlibSequenceFile() throws Exception {
    LOG.info("Testing SequenceFile with DefaultCodec");
    compressedSeqFileTest(new DefaultCodec());
    LOG.info("Successfully tested SequenceFile with DefaultCodec");
  }

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  }
  
  public void testValueIteratorWithCompression() throws Exception {
    Path tmpDir = new Path("build/test/test.reduce.task.compression");
    Configuration conf = new Configuration();
    DefaultCodec codec = new DefaultCodec();
    codec.setConf(conf);
    for (Pair[] testCase: testCases) {
      runValueIterator(tmpDir, testCase, conf, codec);
    }
  }

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        "5.3".getBytes("UTF-8"), "hive and hadoop".getBytes("UTF-8"),
        new byte[0], new byte[0] };


    RCFileOutputFormat.setColumnNumber(conf, expectedFieldsData.length);
    RCFile.Writer writer = new RCFile.Writer(fs, conf, file, null,
        new DefaultCodec());
    BytesRefArrayWritable bytes = new BytesRefArrayWritable(record_1.length);
    for (int i = 0; i < record_1.length; i++) {
      BytesRefWritable cu = new BytesRefWritable(record_1[i], 0,
          record_1[i].length);
      bytes.set(i, cu);

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      byte[][] fieldsData) throws IOException, SerDeException {
    fs.delete(file, true);


    RCFileOutputFormat.setColumnNumber(conf, fieldsData.length);
    RCFile.Writer writer = new RCFile.Writer(fs, conf, file, null,
        new DefaultCodec());


    BytesRefArrayWritable bytes = new BytesRefArrayWritable(fieldsData.length);
    for (int i = 0; i < fieldsData.length; i++) {
      BytesRefWritable cu = null;
      cu = new BytesRefWritable(fieldsData[i], 0, fieldsData[i].length);

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      PerformTestRCFileAndSeqFile testcase = new PerformTestRCFileAndSeqFile(
          isLocalFS, file);


      // change these parameters
      boolean checkCorrect = true;
      CompressionCodec codec = new DefaultCodec();
      testcase.columnMaxSize = 30;


      // testcase.testWithColumnNumber(count, 2, checkCorrect, codec);
      // testcase.testWithColumnNumber(count, 10, checkCorrect, codec);
      // testcase.testWithColumnNumber(count, 25, checkCorrect, codec);

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    Configuration conf = createConfiguration(outputContext, Text.class, Text.class, shouldCompress,
        -1, HashPartitioner.class);
    CompressionCodec codec = null;
    if (shouldCompress) {
      codec = new DefaultCodec();
      ((Configurable) codec).setConf(conf);
    }


    int numRecordsWritten = 0;

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    Configuration conf = createConfiguration(outputContext, IntWritable.class, LongWritable.class,
        shouldCompress, -1);
    CompressionCodec codec = null;
    if (shouldCompress) {
      codec = new DefaultCodec();
      ((Configurable) codec).setConf(conf);
    }


    int numOutputs = numPartitions;
    long availableMemory = 2048;

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                 Class keyClass, Class valClass, CompressionType compressionType) 
    throws IOException {
    return createWriter(fs, conf, name, keyClass, valClass,
            fs.getConf().getInt("io.file.buffer.size", 4096),
            fs.getDefaultReplication(), fs.getDefaultBlockSize(),
            compressionType, new DefaultCodec(), null, new Metadata());
  }

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                 Class keyClass, Class valClass, CompressionType compressionType,
                 Progressable progress) throws IOException {
    return createWriter(fs, conf, name, keyClass, valClass,
            fs.getConf().getInt("io.file.buffer.size", 4096),
            fs.getDefaultReplication(), fs.getDefaultBlockSize(),
            compressionType, new DefaultCodec(), progress, new Metadata());
  }

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