Package org.apache.mahout.math.map

Examples of org.apache.mahout.math.map.OpenIntLongHashMap

628
629
630
631
632
633
634
635
636
637
638
639
640
    List<PrefAndSimilarityColumnWritable> values = Arrays.asList(
        new PrefAndSimilarityColumnWritable(1.0f, similarityColumnOne),
        new PrefAndSimilarityColumnWritable(3.0f, similarityColumnTwo));

    OpenIntLongHashMap indexItemIDMap = new OpenIntLongHashMap();
    indexItemIDMap.put(1, 1L);
    indexItemIDMap.put(2, 2L);

    AggregateAndRecommendReducer reducer = new AggregateAndRecommendReducer();

    setField(reducer, "indexItemIDMap", indexItemIDMap);
    setField(reducer, "recommendationsPerUser", 1);
View Full Code Here
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
  /**
   * Reads a binary mapping file
   */
  public static OpenIntLongHashMap readItemIDIndexMap(String itemIDIndexPathStr, Configuration conf) {
    OpenIntLongHashMap indexItemIDMap = new OpenIntLongHashMap();
    Path itemIDIndexPath = new Path(itemIDIndexPathStr);
    for (Pair<VarIntWritable,VarLongWritable> record
         : new SequenceFileDirIterable<VarIntWritable,VarLongWritable>(itemIDIndexPath,
                                                                       PathType.LIST,
                                                                       PathFilters.partFilter(),
                                                                       null,
                                                                       true,
                                                                       conf)) {
      indexItemIDMap.put(record.getFirst().get(), record.getSecond().get());
    }
    return indexItemIDMap;
  }
View Full Code Here
53
54
55
56
57
58
59
60
61
62
63
64
65
66
   * Tests {@link ItemSimilarityJob.MostSimilarItemPairsMapper}
   */
  @Test
  public void testMostSimilarItemsPairsMapper() throws Exception {

    OpenIntLongHashMap indexItemIDMap = new OpenIntLongHashMap();
    indexItemIDMap.put(12, 12L);
    indexItemIDMap.put(34, 34L);
    indexItemIDMap.put(56, 56L);

    Mapper<IntWritable,VectorWritable,EntityEntityWritable,DoubleWritable>.Context context =
      EasyMock.createMock(Mapper.Context.class);

    context.write(new EntityEntityWritable(34L, 56L), new DoubleWritable(0.9));
View Full Code Here
551
552
553
554
555
556
557
558
559
560
561
562
563
    List<PrefAndSimilarityColumnWritable> values = Arrays.asList(
        new PrefAndSimilarityColumnWritable(1.0f, similarityColumnOne),
        new PrefAndSimilarityColumnWritable(3.0f, similarityColumnTwo));

    OpenIntLongHashMap indexItemIDMap = new OpenIntLongHashMap();
    indexItemIDMap.put(1, 1L);
    indexItemIDMap.put(2, 2L);

    AggregateAndRecommendReducer reducer = new AggregateAndRecommendReducer();

    setField(reducer, "indexItemIDMap", indexItemIDMap);
    setField(reducer, "recommendationsPerUser", 3);
View Full Code Here
588
589
590
591
592
593
594
595
596
597
598
599
600
    List<PrefAndSimilarityColumnWritable> values = Arrays.asList(
        new PrefAndSimilarityColumnWritable(1.0f, similarityColumnOne),
        new PrefAndSimilarityColumnWritable(3.0f, similarityColumnTwo));

    OpenIntLongHashMap indexItemIDMap = new OpenIntLongHashMap();
    indexItemIDMap.put(1, 1L);
    indexItemIDMap.put(2, 2L);

    AggregateAndRecommendReducer reducer = new AggregateAndRecommendReducer();

    setField(reducer, "indexItemIDMap", indexItemIDMap);
    setField(reducer, "recommendationsPerUser", 3);
View Full Code Here
626
627
628
629
630
631
632
633
634
635
636
637
638
    List<PrefAndSimilarityColumnWritable> values = Arrays.asList(
        new PrefAndSimilarityColumnWritable(1.0f, similarityColumnOne),
        new PrefAndSimilarityColumnWritable(3.0f, similarityColumnTwo));

    OpenIntLongHashMap indexItemIDMap = new OpenIntLongHashMap();
    indexItemIDMap.put(1, 1L);
    indexItemIDMap.put(2, 2L);

    AggregateAndRecommendReducer reducer = new AggregateAndRecommendReducer();

    setField(reducer, "indexItemIDMap", indexItemIDMap);
    setField(reducer, "recommendationsPerUser", 1);
View Full Code Here
TOP

Related Classes of org.apache.mahout.math.map.OpenIntLongHashMap

  • org.apache.mahout.cf.taste.hadoop.als.ParallelALSFactorizationJobTest
  • org.apache.mahout.cf.taste.hadoop.item.RecommenderJobTest
  • org.apache.mahout.cf.taste.hadoop.similarity.item.ItemSimilarityJobTest
  • org.apache.mahout.cf.taste.hadoop.similarity.item.ItemSimilarityTest
  • org.apache.mahout.cf.taste.hadoop.TasteHadoopUtils
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.