Examples of edu.umd.cloud9.io.pair.PairOfInts

edu.umd.cloud9.io.pair.PairOfInts
WritableComparable representing a pair of ints. The elements in the pair are referred to as the left and right elements. The natural sort order is: first by the left element, and then by the right element. @author Jimmy Lin


  @Test
  public void testComparison2() throws IOException {
    WritableComparator comparator = new PairOfInts.Comparator();


    PairOfInts pair1 = new PairOfInts(1, 2);
    PairOfInts pair2 = new PairOfInts(1, 2);
    PairOfInts pair3 = new PairOfInts(1, 1);
    PairOfInts pair4 = new PairOfInts(0, 9);
    PairOfInts pair5 = new PairOfInts(9, 0);


    assertTrue(WritableComparatorTestHarness.compare(comparator, pair1, pair2) == 0);
    assertTrue(WritableComparatorTestHarness.compare(comparator, pair1, pair3) > 0);
    assertTrue(WritableComparatorTestHarness.compare(comparator, pair1, pair4) > 0);
    assertTrue(WritableComparatorTestHarness.compare(comparator, pair1, pair5) < 0);

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    }


    assertEquals(6, list.size());


    Iterator<PairOfInts> iter = list.iterator();
    PairOfInts e = iter.next();
    assertEquals(1, e.getLeftElement());
    assertEquals(1, e.getRightElement());
    e = iter.next();
    assertEquals(2, e.getLeftElement());
    assertEquals(4, e.getRightElement());
    e = iter.next();
    assertEquals(3, e.getLeftElement());
    assertEquals(2, e.getRightElement());
    e = iter.next();
    assertEquals(4, e.getLeftElement());
    assertEquals(3, e.getRightElement());
    e = iter.next();
    assertEquals(5, e.getLeftElement());
    assertEquals(7, e.getRightElement());
    e = iter.next();
    assertEquals(6, e.getLeftElement());
    assertEquals(9, e.getRightElement());
  }

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   * Iterator returns the same object every time, just with a different payload.
   */
  public Iterator<PairOfInts> iterator() {
    return new Iterator<PairOfInts>() {
      private Iterator<Int2IntMap.Entry> iter = Int2IntFrequencyDistributionFastutil.this.counts.int2IntEntrySet().iterator();
      private final PairOfInts pair = new PairOfInts();


      @Override
      public boolean hasNext() {
        return iter.hasNext();
      }


      @Override
      public PairOfInts next() {
        if (!hasNext()) {
          return null;
        }


        Int2IntMap.Entry entry = iter.next();
        pair.set(entry.getIntKey(), entry.getIntValue());
        return pair;
      }


      @Override
      public void remove() {

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  private List<PairOfInts> getEntriesSorted(Comparator<PairOfInts> comparator) {
    List<PairOfInts> list = Lists.newArrayList();


    for (Int2IntMap.Entry e : counts.int2IntEntrySet()) {
      list.add(new PairOfInts(e.getIntKey(), e.getIntValue()));
    }


    Collections.sort(list, comparator);
    return list;
  }

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   * Iterator returns the same object every time, just with a different payload.
   */
  public Iterator<PairOfInts> iterator() {
    return new Iterator<PairOfInts>() {
      private Iterator<MapII.Entry> iter = Int2IntFrequencyDistributionEntry.this.counts.entrySet().iterator();
      private final PairOfInts pair = new PairOfInts();


      @Override
      public boolean hasNext() {
        return iter.hasNext();
      }


      @Override
      public PairOfInts next() {
        if (!hasNext()) {
          return null;
        }


        MapII.Entry entry = iter.next();
        pair.set(entry.getKey(), entry.getValue());
        return pair;
      }


      @Override
      public void remove() {

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  private List<PairOfInts> getEntriesSorted(Comparator<PairOfInts> comparator) {
    List<PairOfInts> list = Lists.newArrayList();


    for (MapII.Entry e : counts.entrySet()) {
      list.add(new PairOfInts(e.getKey(), e.getValue()));
    }


    Collections.sort(list, comparator);
    return list;
  }

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        }
      }
    });


    Text text = new Text();
    PairOfInts pairOfInts = new PairOfInts();
    while (sequenceFileReader.next(text, pairOfInts)) {
      treeMap.add(new PairOfIntString(pairOfInts.getLeftElement(), text.toString()));
    }


    int index = 0;
    IntWritable intWritable = new IntWritable();
    Iterator<PairOfIntString> itr = treeMap.iterator();

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        helper = new PreprocessHelper(MinVectorTerms, MinSentenceLength, job);
      } catch (Exception e) {
        e.printStackTrace();
      }


      keyOut = new PairOfInts();
      valOut = new WikiDocInfo();
    }

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        Path[] localFiles = null;
        localFiles = DistributedCache.getLocalCacheFiles(job);


        SequenceFile.Reader reader = new SequenceFile.Reader(FileSystem.getLocal(job), localFiles[14], job);


        PairOfInts key = (PairOfInts) reader.getKeyClass().newInstance();
        IntWritable value = (IntWritable) reader.getValueClass().newInstance();


        while (reader.next(key, value)) {
          int fDocno = key.getRightElement();
          fDocno -= 1000000000; 
          int eDocno = key.getLeftElement();
          if(lang.equals("en")){
            if(!pwsimMapping.containsKey(eDocno)){
              pwsimMapping.put(eDocno, new ArrayListOfIntsWritable());
            }
            pwsimMapping.get(eDocno).add(fDocno);    // we add 1000000000 to foreign docnos to distinguish them during pwsim algo

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  }


  public void readFields(DataInput in) throws IOException{
    int size = in.readInt();
    for(int i=0; i<size; i++){
      PairOfInts elt = new PairOfInts();
      elt.readFields(in);
      lst.add(elt);
    }
  }

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