Package org.apache.hadoop.fs

Examples of org.apache.hadoop.fs.FSDataInputStream.readByte()

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          case 0x1f8b: // RFC 1952
            i.seek(0);
            in = new GZIPInputStream(i);
            break;
          case 0x5345: // 'S' 'E'
            if (i.readByte() == 'Q') {
              i.close();
              in = new TextRecordInputStream(src, srcFs, configuration);
            }
            break;
          default:
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          i.seek(0);
          return new GZIPInputStream(i);
        }
        case 0x5345: { // 'S' 'E'
          // Might be a SequenceFile
          if (i.readByte() == 'Q') {
            i.close();
            return new TextRecordInputStream(item.stat);
          }
        }
        default: {
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            return codec.createInputStream(i);
          }
          break;
        }
        case 0x4f62: { // 'O' 'b'
          if (i.readByte() == 'j') {
            i.close();
            return new AvroFileInputStream(item.stat);
          }
          break;
        }
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      FSDataOutputStream stm = createFile(fs, file1, 2);
      writeFile(stm);
      stm.close();

      in = fs.open(file1);
      in.readByte();

      DFSInputStream dfsClientIn = findDFSClientInputStream(in);     
      Field blockReaderField = DFSInputStream.class.getDeclaredField("blockReader");
      blockReaderField.setAccessible(true);
      BlockReader blockReader = (BlockReader) blockReaderField.get(dfsClientIn);
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      blockReader.setArtificialSlowdown(1000);
      blockReader.isReadLocal = false;
      blockReader.isReadRackLocal = false;
      blockReader.ENABLE_THROW_FOR_SLOW = true;
      for (int i = 0; i < 1024; i++) {
        in.readByte();
      }

      blockReader.setArtificialSlowdown(0);
      for (int i = 1024; i < fileSize - 1; i++) {
        in.readByte();
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        in.readByte();
      }

      blockReader.setArtificialSlowdown(0);
      for (int i = 1024; i < fileSize - 1; i++) {
        in.readByte();
      }

      ConcurrentHashMap<DatanodeInfo, DatanodeInfo> deadNodes = getDeadNodes(dfsClientIn);
      TestCase.assertEquals(1, deadNodes.size());
    } finally {
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    return new Iterator<Mutation>() {
     
      byte eventType;
     
      {
        eventType = login.readByte();
      }
     
      public boolean hasNext() {
        return eventType != CLOSE_EVENT;
      }
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      }
     
      public Mutation next() {
        try {
          mutation.readFields(login);
          eventType = login.readByte();
        } catch (IOException e) {
          throw new RuntimeException(e);
        }
       
        return mutation;
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    return new Iterator<Mutation>() {
     
      byte eventType;
     
      {
        eventType = login.readByte();
      }
     
      public boolean hasNext() {
        return eventType != CLOSE_EVENT;
      }
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      }
     
      public Mutation next() {
        try {
          mutation.readFields(login);
          eventType = login.readByte();
        } catch (IOException e) {
          throw new RuntimeException(e);
        }
       
        return mutation;
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