Example #1
0
  @Test
  public void testMoreThanEightProps() {
    List<Field> fields = new ArrayList<Field>(30);
    for (int i = 0; i < 30; i++) {
      fields.add(Field.create("field" + i, Type.STRING));
    }
    Schema schema = new Schema("bigmammaschema", fields);

    ITuple tuple = new Tuple(schema);
    for (int i = 0; i < 30; i++) {
      // Fill in with some default values
      tuple.set("field" + i, "defaultValue" + i);
    }

    NullableTuple nullableTuple = new NullableTuple(tuple);
    for (int i = 0; i < 30; i++) {
      // Assert the default values
      assertEquals("defaultValue" + i, nullableTuple.get("field" + i));
    }

    // Set fields to null one by one and assert that things go well
    for (int i = 0; i < 30; i++) {
      nullableTuple.set("field" + i, null);
      assertEquals(null, nullableTuple.getNullable("field" + i));
      nullableTuple.set("field" + i, "defaultValue" + i);
      assertEquals("defaultValue" + i, nullableTuple.getNullable("field" + i));
    }
  }
Example #2
0
 protected static void fillObject(boolean isRandom, ITuple tuple, Field field, int index) {
   Object instance = ReflectionUtils.newInstance(field.getObjectClass(), null);
   if (instance instanceof A) {
     A a = (A) instance;
     a.setId(isRandom ? random.nextInt() + "" : "");
     a.setUrl(isRandom ? random.nextLong() + "" : "");
   }
   tuple.set(index, instance);
 }
Example #3
0
 protected static void fillString(boolean isRandom, ITuple tuple, int index) {
   if (isRandom) {
     switch (random.nextInt(4)) {
       case 0:
         tuple.set(index, "");
         break;
       case 1:
         tuple.set(index, random.nextLong() + "");
         break;
       case 2:
         tuple.set(index, new Utf8(random.nextLong() + ""));
         break;
       case 3:
         tuple.set(index, new Text(random.nextLong() + ""));
         break;
     }
   } else {
     tuple.set(index, "");
   }
 }
Example #4
0
  @Test
  public void testNoNullableWrapper() {
    Schema schema =
        new Schema(
            "testSchema", Fields.parse("a:string, b:int, c:double, d:float, e:boolean, f:long"));
    ITuple tuple = new Tuple(schema);
    tuple.set(0, "foo");
    tuple.set(1, 10);
    tuple.set(2, 20d);
    tuple.set(3, 30f);
    tuple.set(4, false);
    tuple.set(5, 40l);

    NullableTuple nullableTuple = new NullableTuple(tuple);
    assertEquals("foo", nullableTuple.get(0).toString());
    assertEquals(10, nullableTuple.get(1));
    assertEquals(20d, nullableTuple.get(2));
    assertEquals(30f, nullableTuple.get(3));
    assertEquals(false, nullableTuple.get(4));
    assertEquals(40l, nullableTuple.get(5));
  }
 @Override
 public void reduce(
     ITuple group, Iterable<ITuple> tuples, TupleMRContext context, Collector collector)
     throws IOException, InterruptedException, TupleMRException {
   int count = 0;
   ITuple outputTuple = null;
   for (ITuple tuple : tuples) {
     outputTuple = tuple;
     count += (Integer) tuple.get(1);
   }
   outputTuple.set(1, count);
   collector.write(outputTuple, NullWritable.get());
 }
Example #6
0
 /** Fills the fields specified by the range (minIndex, maxIndex) with random data. */
 protected static void fillTuple(boolean isRandom, ITuple tuple, int minIndex, int maxIndex) {
   try {
     for (int i = minIndex; i <= maxIndex; i++) {
       Field field = tuple.getSchema().getField(i);
       switch (field.getType()) {
         case INT:
           tuple.set(i, isRandom ? random.nextInt() : 0);
           break;
         case LONG:
           tuple.set(i, isRandom ? random.nextLong() : 0);
           break;
         case BOOLEAN:
           tuple.set(i, isRandom ? random.nextBoolean() : false);
           break;
         case DOUBLE:
           tuple.set(i, isRandom ? random.nextDouble() : 0.0);
           break;
         case FLOAT:
           tuple.set(i, isRandom ? random.nextFloat() : 0f);
           break;
         case STRING:
           fillString(isRandom, tuple, i);
           break;
         case ENUM:
           fillEnum(isRandom, field, tuple, i);
           break;
         case OBJECT:
           fillObject(isRandom, tuple, field, i);
           break;
         default:
           throw new IllegalArgumentException("Not supported type " + field.getType());
       }
     }
   } catch (Exception e) {
     throw new RuntimeException(e);
   }
 }
Example #7
0
 protected static void fillEnum(boolean isRandom, Field field, ITuple tuple, int index)
     throws Exception {
   Method method = field.getObjectClass().getMethod("values", (Class[]) null);
   Enum[] values = (Enum[]) method.invoke(null);
   tuple.set(index, values[isRandom ? random.nextInt(values.length) : 0]);
 }
  public void createInput(String input, Configuration conf)
      throws IOException, InterruptedException {
    Path inPath = new Path(input);
    FileSystem fs = FileSystem.get(inPath.toUri(), conf);
    TupleFile.Writer writer = new TupleFile.Writer(fs, conf, inPath, TopicalWordCount.getSchema());

    // Topic 1, words: { a, 10 } { b, 1 } , { c, 5 }
    // Top 2 words = a(10), c(5)
    ITuple tuple = new Tuple(TopicalWordCount.getSchema());
    tuple.set("word", "a");
    tuple.set("topic", 1);
    tuple.set("count", 10);
    writer.append(tuple);

    tuple.set("word", "b");
    tuple.set("topic", 1);
    tuple.set("count", 1);
    writer.append(tuple);

    tuple.set("word", "c");
    tuple.set("topic", 1);
    tuple.set("count", 5);
    writer.append(tuple);

    // Topic 2, words: { a, 10 } { b, 9 } , { c, 5 }
    // Top 2 words = a(10), b(9)
    tuple.set("word", "a");
    tuple.set("topic", 2);
    tuple.set("count", 10);
    writer.append(tuple);

    tuple.set("word", "b");
    tuple.set("topic", 2);
    tuple.set("count", 9);
    writer.append(tuple);

    tuple.set("word", "c");
    tuple.set("topic", 2);
    tuple.set("count", 5);
    writer.append(tuple);

    writer.close();
  }