Examples of VarLongWritable

org.apache.mahout.math.VarLongWritable

Examples of org.apache.mahout.math.VarLongWritable


    RandomAccessSparseVector vector = new RandomAccessSparseVector(Integer.MAX_VALUE, 100);
    vector.set(34, 0.5);
    vector.set(56, 0.7);


    mapper.map(new VarLongWritable(123L), new VectorWritable(vector), context);


    EasyMock.verify(context);
  }

View Full Code Here

Examples of org.apache.mahout.math.VarLongWritable


    RandomAccessSparseVector vector = new RandomAccessSparseVector(Integer.MAX_VALUE, 100);
    vector.set(34, 0.5);
    vector.set(56, 0.7);


    mapper.map(new VarLongWritable(123L), new VectorWritable(vector), context);
    mapper.map(new VarLongWritable(456L), new VectorWritable(vector), context);


    EasyMock.verify(context);
  }

View Full Code Here

Examples of org.apache.mahout.math.VarLongWritable


    RandomAccessSparseVector vector = new RandomAccessSparseVector(Integer.MAX_VALUE, 100);
    vector.set(34, 0.5);
    vector.set(56, 0.7);


    mapper.map(new VarLongWritable(123L), new VectorWritable(vector), context);


    EasyMock.verify(context);
  }

View Full Code Here

Examples of org.apache.mahout.math.VarLongWritable

  public void testItemFilterMapper() throws Exception {


    Mapper<LongWritable,Text,VarLongWritable,VarLongWritable>.Context context =
      EasyMock.createMock(Mapper.Context.class);


    context.write(new VarLongWritable(34L), new VarLongWritable(12L));
    context.write(new VarLongWritable(78L), new VarLongWritable(56L));


    EasyMock.replay(context);


    ItemFilterMapper mapper = new ItemFilterMapper();
    mapper.map(null, new Text("12,34"), context);

View Full Code Here

Examples of org.apache.mahout.math.VarLongWritable

    int itemIDIndex = TasteHadoopUtils.idToIndex(123L);
    context.write(EasyMock.eq(new VarIntWritable(itemIDIndex)), vectorAndPrefsForFilteringMatches(123L, 456L, 789L));


    EasyMock.replay(context);


    new ItemFilterAsVectorAndPrefsReducer().reduce(new VarLongWritable(123L), Arrays.asList(new VarLongWritable(456L),
        new VarLongWritable(789L)), context);


    EasyMock.verify(context);
  }

View Full Code Here

Examples of org.apache.mahout.math.VarLongWritable

    PrefAndSimilarityColumnWritable one = new PrefAndSimilarityColumnWritable();
    PrefAndSimilarityColumnWritable two = new PrefAndSimilarityColumnWritable();
    one.set(1.0f, similarityColumn);
    two.set(3.0f, similarityColumn);


    context.write(EasyMock.eq(new VarLongWritable(123L)), EasyMock.eq(one));
    context.write(EasyMock.eq(new VarLongWritable(456L)), EasyMock.eq(two));


    EasyMock.replay(context);


    VectorAndPrefsWritable vectorAndPrefs = new VectorAndPrefsWritable(similarityColumn, Arrays.asList(123L, 456L),
        Arrays.asList(1.0f, 3.0f));

View Full Code Here

Examples of org.apache.mahout.math.VarLongWritable

  @Test
  public void testAggregateAndRecommendReducer() throws Exception {
    Reducer<VarLongWritable,PrefAndSimilarityColumnWritable,VarLongWritable,RecommendedItemsWritable>.Context context =
        EasyMock.createMock(Reducer.Context.class);


    context.write(EasyMock.eq(new VarLongWritable(123L)), recommendationsMatch(new GenericRecommendedItem(1L, 2.8f),
        new GenericRecommendedItem(2L, 2.0f)));


    EasyMock.replay(context);


    RandomAccessSparseVector similarityColumnOne = new RandomAccessSparseVector(Integer.MAX_VALUE, 100);
    similarityColumnOne.set(1, 0.1);
    similarityColumnOne.set(2, 0.5);


    RandomAccessSparseVector similarityColumnTwo = new RandomAccessSparseVector(Integer.MAX_VALUE, 100);
    similarityColumnTwo.set(1, 0.9);
    similarityColumnTwo.set(2, 0.5);


    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);


    reducer.reduce(new VarLongWritable(123L), values, context);


    EasyMock.verify(context);
  }

View Full Code Here

Examples of org.apache.mahout.math.VarLongWritable

  @Test
  public void testAggregateAndRecommendReducerExcludeRecommendationsBasedOnOneItem() throws Exception {
    Reducer<VarLongWritable,PrefAndSimilarityColumnWritable,VarLongWritable,RecommendedItemsWritable>.Context context =
        EasyMock.createMock(Reducer.Context.class);


    context.write(EasyMock.eq(new VarLongWritable(123L)), recommendationsMatch(new GenericRecommendedItem(1L, 2.8f)));


    EasyMock.replay(context);


    RandomAccessSparseVector similarityColumnOne = new RandomAccessSparseVector(Integer.MAX_VALUE, 100);
    similarityColumnOne.set(1, 0.1);


    RandomAccessSparseVector similarityColumnTwo = new RandomAccessSparseVector(Integer.MAX_VALUE, 100);
    similarityColumnTwo.set(1, 0.9);
    similarityColumnTwo.set(2, 0.5);


    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);


    reducer.reduce(new VarLongWritable(123L), values, context);


    EasyMock.verify(context);
  }

View Full Code Here

Examples of org.apache.mahout.math.VarLongWritable

  @Test
  public void testAggregateAndRecommendReducerLimitNumberOfRecommendations() throws Exception {
    Reducer<VarLongWritable,PrefAndSimilarityColumnWritable,VarLongWritable,RecommendedItemsWritable>.Context context =
      EasyMock.createMock(Reducer.Context.class);


    context.write(EasyMock.eq(new VarLongWritable(123L)), recommendationsMatch(new GenericRecommendedItem(1L, 2.8f)));


    EasyMock.replay(context);


    RandomAccessSparseVector similarityColumnOne = new RandomAccessSparseVector(Integer.MAX_VALUE, 100);
    similarityColumnOne.set(1, 0.1);
    similarityColumnOne.set(2, 0.5);


    RandomAccessSparseVector similarityColumnTwo = new RandomAccessSparseVector(Integer.MAX_VALUE, 100);
    similarityColumnTwo.set(1, 0.9);
    similarityColumnTwo.set(2, 0.5);


    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);


    reducer.reduce(new VarLongWritable(123L), values, context);


    EasyMock.verify(context);
  }

View Full Code Here

Examples of org.apache.mahout.math.VarLongWritable

      long temp = userID;
      userID = itemID;
      itemID = temp;
    }
    if (booleanData) {
      context.write(new VarLongWritable(userID), new VarLongWritable(itemID));
    } else {
      float prefValue = tokens.length > 2 ? Float.parseFloat(tokens[2]) + ratingShift : 1.0f;
      context.write(new VarLongWritable(userID), new EntityPrefWritable(itemID, prefValue));
    }
  }

View Full Code Here

0 1 2 3 4 5

TOP

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.