Examples with Tuple9 org.apache.flink.api.java.tuple.Tuple9 used on opensource projects

Example 1 with Tuple9

use of org.apache.flink.api.java.tuple.Tuple9 in project flink by apache.

the class TypeExtractorTest method testTupleWithBasicTypes.

@SuppressWarnings({ "unchecked", "rawtypes" })
@Test
public void testTupleWithBasicTypes() throws Exception {
    // use getMapReturnTypes()
    RichMapFunction<?, ?> function = new RichMapFunction<Tuple9<Integer, Long, Double, Float, Boolean, String, Character, Short, Byte>, Tuple9<Integer, Long, Double, Float, Boolean, String, Character, Short, Byte>>() {

        private static final long serialVersionUID = 1L;

        @Override
        public Tuple9<Integer, Long, Double, Float, Boolean, String, Character, Short, Byte> map(Tuple9<Integer, Long, Double, Float, Boolean, String, Character, Short, Byte> value) throws Exception {
            return null;
        }
    };
    TypeInformation<?> ti = TypeExtractor.getMapReturnTypes(function, (TypeInformation) TypeInformation.of(new TypeHint<Tuple9<Integer, Long, Double, Float, Boolean, String, Character, Short, Byte>>() {
    }));
    Assert.assertTrue(ti.isTupleType());
    Assert.assertEquals(9, ti.getArity());
    Assert.assertTrue(ti instanceof TupleTypeInfo);
    List<FlatFieldDescriptor> ffd = new ArrayList<FlatFieldDescriptor>();
    ((TupleTypeInfo) ti).getFlatFields("f3", 0, ffd);
    Assert.assertTrue(ffd.size() == 1);
    Assert.assertEquals(3, ffd.get(0).getPosition());
    TupleTypeInfo<?> tti = (TupleTypeInfo<?>) ti;
    Assert.assertEquals(Tuple9.class, tti.getTypeClass());
    for (int i = 0; i < 9; i++) {
        Assert.assertTrue(tti.getTypeAt(i) instanceof BasicTypeInfo);
    }
    Assert.assertEquals(BasicTypeInfo.INT_TYPE_INFO, tti.getTypeAt(0));
    Assert.assertEquals(BasicTypeInfo.LONG_TYPE_INFO, tti.getTypeAt(1));
    Assert.assertEquals(BasicTypeInfo.DOUBLE_TYPE_INFO, tti.getTypeAt(2));
    Assert.assertEquals(BasicTypeInfo.FLOAT_TYPE_INFO, tti.getTypeAt(3));
    Assert.assertEquals(BasicTypeInfo.BOOLEAN_TYPE_INFO, tti.getTypeAt(4));
    Assert.assertEquals(BasicTypeInfo.STRING_TYPE_INFO, tti.getTypeAt(5));
    Assert.assertEquals(BasicTypeInfo.CHAR_TYPE_INFO, tti.getTypeAt(6));
    Assert.assertEquals(BasicTypeInfo.SHORT_TYPE_INFO, tti.getTypeAt(7));
    Assert.assertEquals(BasicTypeInfo.BYTE_TYPE_INFO, tti.getTypeAt(8));
    // use getForObject()
    Tuple9<Integer, Long, Double, Float, Boolean, String, Character, Short, Byte> t = new Tuple9<Integer, Long, Double, Float, Boolean, String, Character, Short, Byte>(1, 1L, 1.0, 1.0F, false, "Hello World", 'w', (short) 1, (byte) 1);
    Assert.assertTrue(TypeExtractor.getForObject(t) instanceof TupleTypeInfo);
    TupleTypeInfo<?> tti2 = (TupleTypeInfo<?>) TypeExtractor.getForObject(t);
    Assert.assertEquals(BasicTypeInfo.INT_TYPE_INFO, tti2.getTypeAt(0));
    Assert.assertEquals(BasicTypeInfo.LONG_TYPE_INFO, tti2.getTypeAt(1));
    Assert.assertEquals(BasicTypeInfo.DOUBLE_TYPE_INFO, tti2.getTypeAt(2));
    Assert.assertEquals(BasicTypeInfo.FLOAT_TYPE_INFO, tti2.getTypeAt(3));
    Assert.assertEquals(BasicTypeInfo.BOOLEAN_TYPE_INFO, tti2.getTypeAt(4));
    Assert.assertEquals(BasicTypeInfo.STRING_TYPE_INFO, tti2.getTypeAt(5));
    Assert.assertEquals(BasicTypeInfo.CHAR_TYPE_INFO, tti2.getTypeAt(6));
    Assert.assertEquals(BasicTypeInfo.SHORT_TYPE_INFO, tti2.getTypeAt(7));
    Assert.assertEquals(BasicTypeInfo.BYTE_TYPE_INFO, tti2.getTypeAt(8));
    // test that getForClass does not work
    try {
        TypeExtractor.getForClass(Tuple9.class);
        Assert.fail("Exception expected here");
    } catch (InvalidTypesException e) {
    // that is correct
    }
}