Exemplo n.º 1
0
  @Before
  public void setUp() throws IOException {
    MapFileDemo.main(new String[] {MAP_URI});

    Configuration conf = new Configuration();
    fs = FileSystem.get(URI.create(MAP_URI), conf);

    reader = new MapFile.Reader(fs, MAP_URI, conf);
    key = (WritableComparable<?>) ReflectionUtils.newInstance(reader.getKeyClass(), conf);
    value = (Writable) ReflectionUtils.newInstance(reader.getValueClass(), conf);
  }
Exemplo n.º 2
0
 @Override
 public long next(HdfsInputStream hdfsistr, Holder<Object> key, Holder<Object> value) {
   try {
     MapFile.Reader reader = (BloomMapFile.Reader) hdfsistr.getIn();
     Holder<Integer> keySize = new Holder<Integer>();
     WritableComparable<?> keyWritable =
         (WritableComparable<?>)
             ReflectionUtils.newInstance(reader.getKeyClass(), new Configuration());
     Holder<Integer> valueSize = new Holder<Integer>();
     Writable valueWritable =
         (Writable) ReflectionUtils.newInstance(reader.getValueClass(), new Configuration());
     if (reader.next(keyWritable, valueWritable)) {
       key.value = getObject(keyWritable, keySize);
       value.value = getObject(valueWritable, valueSize);
       return keySize.value + valueSize.value;
     } else {
       return 0;
     }
   } catch (Exception ex) {
     throw new RuntimeCamelException(ex);
   }
 }