Java Code Examples for org.apache.flink.api.java.operators.DataSource#getType()

The following examples show how to use org.apache.flink.api.java.operators.DataSource#getType() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: CSVReaderTest.java From Flink-CEPplus with Apache License 2.0

6 votes

@Test
public void testFieldTypes() throws Exception {
	CsvReader reader = getCsvReader();
	DataSource<Item> items = reader.tupleType(Item.class);

	TypeInformation<?> info = items.getType();
	if (!info.isTupleType()) {
		Assert.fail();
	} else {
		TupleTypeInfo<?> tinfo = (TupleTypeInfo<?>) info;
		Assert.assertEquals(BasicTypeInfo.INT_TYPE_INFO, tinfo.getTypeAt(0));
		Assert.assertEquals(BasicTypeInfo.STRING_TYPE_INFO, tinfo.getTypeAt(1));
		Assert.assertEquals(BasicTypeInfo.DOUBLE_TYPE_INFO, tinfo.getTypeAt(2));
		Assert.assertEquals(BasicTypeInfo.STRING_TYPE_INFO, tinfo.getTypeAt(3));

	}

	CsvInputFormat<?> inputFormat = (CsvInputFormat<?>) items.getInputFormat();
	Assert.assertArrayEquals(new Class<?>[]{Integer.class, String.class, Double.class, String.class}, inputFormat.getFieldTypes());
}

Example 2

Source File: CSVReaderTest.java From Flink-CEPplus with Apache License 2.0

6 votes

@Test
public void testSubClass() throws Exception {
	CsvReader reader = getCsvReader();
	DataSource<SubItem> sitems = reader.tupleType(SubItem.class);
	TypeInformation<?> info = sitems.getType();

	Assert.assertEquals(true, info.isTupleType());
	Assert.assertEquals(SubItem.class, info.getTypeClass());

	@SuppressWarnings("unchecked")
	TupleTypeInfo<SubItem> tinfo = (TupleTypeInfo<SubItem>) info;

	Assert.assertEquals(BasicTypeInfo.INT_TYPE_INFO, tinfo.getTypeAt(0));
	Assert.assertEquals(BasicTypeInfo.STRING_TYPE_INFO, tinfo.getTypeAt(1));
	Assert.assertEquals(BasicTypeInfo.DOUBLE_TYPE_INFO, tinfo.getTypeAt(2));
	Assert.assertEquals(BasicTypeInfo.STRING_TYPE_INFO, tinfo.getTypeAt(3));

	CsvInputFormat<?> inputFormat = (CsvInputFormat<?>) sitems.getInputFormat();
	Assert.assertArrayEquals(new Class<?>[]{Integer.class, String.class, Double.class, String.class}, inputFormat.getFieldTypes());
}

Example 3

Source File: CSVReaderTest.java From Flink-CEPplus with Apache License 2.0

6 votes

@Test
public void testSubClassWithPartialsInHierarchie() throws Exception {
	CsvReader reader = getCsvReader();
	DataSource<FinalItem> sitems = reader.tupleType(FinalItem.class);
	TypeInformation<?> info = sitems.getType();

	Assert.assertEquals(true, info.isTupleType());
	Assert.assertEquals(FinalItem.class, info.getTypeClass());

	@SuppressWarnings("unchecked")
	TupleTypeInfo<SubItem> tinfo = (TupleTypeInfo<SubItem>) info;

	Assert.assertEquals(BasicTypeInfo.INT_TYPE_INFO, tinfo.getTypeAt(0));
	Assert.assertEquals(BasicTypeInfo.STRING_TYPE_INFO, tinfo.getTypeAt(1));
	Assert.assertEquals(BasicTypeInfo.DOUBLE_TYPE_INFO, tinfo.getTypeAt(2));
	Assert.assertEquals(ValueTypeInfo.class, tinfo.getTypeAt(3).getClass());
	Assert.assertEquals(ValueTypeInfo.class, tinfo.getTypeAt(4).getClass());
	Assert.assertEquals(StringValue.class, ((ValueTypeInfo<?>) tinfo.getTypeAt(3)).getTypeClass());
	Assert.assertEquals(LongValue.class, ((ValueTypeInfo<?>) tinfo.getTypeAt(4)).getTypeClass());

	CsvInputFormat<?> inputFormat = (CsvInputFormat<?>) sitems.getInputFormat();
	Assert.assertArrayEquals(new Class<?>[] {Integer.class, String.class, Double.class, StringValue.class, LongValue.class}, inputFormat.getFieldTypes());
}

Example 4

Source File: CSVReaderTest.java From flink with Apache License 2.0

6 votes

@Test
public void testFieldTypes() throws Exception {
	CsvReader reader = getCsvReader();
	DataSource<Item> items = reader.tupleType(Item.class);

	TypeInformation<?> info = items.getType();
	if (!info.isTupleType()) {
		Assert.fail();
	} else {
		TupleTypeInfo<?> tinfo = (TupleTypeInfo<?>) info;
		Assert.assertEquals(BasicTypeInfo.INT_TYPE_INFO, tinfo.getTypeAt(0));
		Assert.assertEquals(BasicTypeInfo.STRING_TYPE_INFO, tinfo.getTypeAt(1));
		Assert.assertEquals(BasicTypeInfo.DOUBLE_TYPE_INFO, tinfo.getTypeAt(2));
		Assert.assertEquals(BasicTypeInfo.STRING_TYPE_INFO, tinfo.getTypeAt(3));

	}

	CsvInputFormat<?> inputFormat = (CsvInputFormat<?>) items.getInputFormat();
	Assert.assertArrayEquals(new Class<?>[]{Integer.class, String.class, Double.class, String.class}, inputFormat.getFieldTypes());
}

Example 5

Source File: CSVReaderTest.java From flink with Apache License 2.0

6 votes

@Test
public void testSubClass() throws Exception {
	CsvReader reader = getCsvReader();
	DataSource<SubItem> sitems = reader.tupleType(SubItem.class);
	TypeInformation<?> info = sitems.getType();

	Assert.assertEquals(true, info.isTupleType());
	Assert.assertEquals(SubItem.class, info.getTypeClass());

	@SuppressWarnings("unchecked")
	TupleTypeInfo<SubItem> tinfo = (TupleTypeInfo<SubItem>) info;

	Assert.assertEquals(BasicTypeInfo.INT_TYPE_INFO, tinfo.getTypeAt(0));
	Assert.assertEquals(BasicTypeInfo.STRING_TYPE_INFO, tinfo.getTypeAt(1));
	Assert.assertEquals(BasicTypeInfo.DOUBLE_TYPE_INFO, tinfo.getTypeAt(2));
	Assert.assertEquals(BasicTypeInfo.STRING_TYPE_INFO, tinfo.getTypeAt(3));

	CsvInputFormat<?> inputFormat = (CsvInputFormat<?>) sitems.getInputFormat();
	Assert.assertArrayEquals(new Class<?>[]{Integer.class, String.class, Double.class, String.class}, inputFormat.getFieldTypes());
}

Example 6

Source File: CSVReaderTest.java From flink with Apache License 2.0

6 votes

@Test
public void testSubClassWithPartialsInHierarchie() throws Exception {
	CsvReader reader = getCsvReader();
	DataSource<FinalItem> sitems = reader.tupleType(FinalItem.class);
	TypeInformation<?> info = sitems.getType();

	Assert.assertEquals(true, info.isTupleType());
	Assert.assertEquals(FinalItem.class, info.getTypeClass());

	@SuppressWarnings("unchecked")
	TupleTypeInfo<SubItem> tinfo = (TupleTypeInfo<SubItem>) info;

	Assert.assertEquals(BasicTypeInfo.INT_TYPE_INFO, tinfo.getTypeAt(0));
	Assert.assertEquals(BasicTypeInfo.STRING_TYPE_INFO, tinfo.getTypeAt(1));
	Assert.assertEquals(BasicTypeInfo.DOUBLE_TYPE_INFO, tinfo.getTypeAt(2));
	Assert.assertEquals(ValueTypeInfo.class, tinfo.getTypeAt(3).getClass());
	Assert.assertEquals(ValueTypeInfo.class, tinfo.getTypeAt(4).getClass());
	Assert.assertEquals(StringValue.class, ((ValueTypeInfo<?>) tinfo.getTypeAt(3)).getTypeClass());
	Assert.assertEquals(LongValue.class, ((ValueTypeInfo<?>) tinfo.getTypeAt(4)).getTypeClass());

	CsvInputFormat<?> inputFormat = (CsvInputFormat<?>) sitems.getInputFormat();
	Assert.assertArrayEquals(new Class<?>[] {Integer.class, String.class, Double.class, StringValue.class, LongValue.class}, inputFormat.getFieldTypes());
}

Example 7

Source File: CSVReaderTest.java From flink with Apache License 2.0

6 votes

@Test
public void testFieldTypes() throws Exception {
	CsvReader reader = getCsvReader();
	DataSource<Item> items = reader.tupleType(Item.class);

	TypeInformation<?> info = items.getType();
	if (!info.isTupleType()) {
		Assert.fail();
	} else {
		TupleTypeInfo<?> tinfo = (TupleTypeInfo<?>) info;
		Assert.assertEquals(BasicTypeInfo.INT_TYPE_INFO, tinfo.getTypeAt(0));
		Assert.assertEquals(BasicTypeInfo.STRING_TYPE_INFO, tinfo.getTypeAt(1));
		Assert.assertEquals(BasicTypeInfo.DOUBLE_TYPE_INFO, tinfo.getTypeAt(2));
		Assert.assertEquals(BasicTypeInfo.STRING_TYPE_INFO, tinfo.getTypeAt(3));

	}

	CsvInputFormat<?> inputFormat = (CsvInputFormat<?>) items.getInputFormat();
	Assert.assertArrayEquals(new Class<?>[]{Integer.class, String.class, Double.class, String.class}, inputFormat.getFieldTypes());
}

Example 8

Source File: CSVReaderTest.java From flink with Apache License 2.0

6 votes

@Test
public void testSubClass() throws Exception {
	CsvReader reader = getCsvReader();
	DataSource<SubItem> sitems = reader.tupleType(SubItem.class);
	TypeInformation<?> info = sitems.getType();

	Assert.assertEquals(true, info.isTupleType());
	Assert.assertEquals(SubItem.class, info.getTypeClass());

	@SuppressWarnings("unchecked")
	TupleTypeInfo<SubItem> tinfo = (TupleTypeInfo<SubItem>) info;

	Assert.assertEquals(BasicTypeInfo.INT_TYPE_INFO, tinfo.getTypeAt(0));
	Assert.assertEquals(BasicTypeInfo.STRING_TYPE_INFO, tinfo.getTypeAt(1));
	Assert.assertEquals(BasicTypeInfo.DOUBLE_TYPE_INFO, tinfo.getTypeAt(2));
	Assert.assertEquals(BasicTypeInfo.STRING_TYPE_INFO, tinfo.getTypeAt(3));

	CsvInputFormat<?> inputFormat = (CsvInputFormat<?>) sitems.getInputFormat();
	Assert.assertArrayEquals(new Class<?>[]{Integer.class, String.class, Double.class, String.class}, inputFormat.getFieldTypes());
}

Example 9

Source File: CSVReaderTest.java From flink with Apache License 2.0

6 votes

@Test
public void testSubClassWithPartialsInHierarchie() throws Exception {
	CsvReader reader = getCsvReader();
	DataSource<FinalItem> sitems = reader.tupleType(FinalItem.class);
	TypeInformation<?> info = sitems.getType();

	Assert.assertEquals(true, info.isTupleType());
	Assert.assertEquals(FinalItem.class, info.getTypeClass());

	@SuppressWarnings("unchecked")
	TupleTypeInfo<SubItem> tinfo = (TupleTypeInfo<SubItem>) info;

	Assert.assertEquals(BasicTypeInfo.INT_TYPE_INFO, tinfo.getTypeAt(0));
	Assert.assertEquals(BasicTypeInfo.STRING_TYPE_INFO, tinfo.getTypeAt(1));
	Assert.assertEquals(BasicTypeInfo.DOUBLE_TYPE_INFO, tinfo.getTypeAt(2));
	Assert.assertEquals(ValueTypeInfo.class, tinfo.getTypeAt(3).getClass());
	Assert.assertEquals(ValueTypeInfo.class, tinfo.getTypeAt(4).getClass());
	Assert.assertEquals(StringValue.class, ((ValueTypeInfo<?>) tinfo.getTypeAt(3)).getTypeClass());
	Assert.assertEquals(LongValue.class, ((ValueTypeInfo<?>) tinfo.getTypeAt(4)).getTypeClass());

	CsvInputFormat<?> inputFormat = (CsvInputFormat<?>) sitems.getInputFormat();
	Assert.assertArrayEquals(new Class<?>[] {Integer.class, String.class, Double.class, StringValue.class, LongValue.class}, inputFormat.getFieldTypes());
}

Example 10

Source File: CSVReaderTest.java From Flink-CEPplus with Apache License 2.0

5 votes

@Test
public void testWithValueType() throws Exception {
	CsvReader reader = getCsvReader();
	DataSource<Tuple8<StringValue, BooleanValue, ByteValue, ShortValue, IntValue, LongValue, FloatValue, DoubleValue>> items =
			reader.types(StringValue.class, BooleanValue.class, ByteValue.class, ShortValue.class, IntValue.class, LongValue.class, FloatValue.class, DoubleValue.class);
	TypeInformation<?> info = items.getType();

	Assert.assertEquals(true, info.isTupleType());
	Assert.assertEquals(Tuple8.class, info.getTypeClass());
}

Example 11

Source File: CSVReaderTest.java From flink with Apache License 2.0

5 votes

@Test
public void testWithValueType() throws Exception {
	CsvReader reader = getCsvReader();
	DataSource<Tuple8<StringValue, BooleanValue, ByteValue, ShortValue, IntValue, LongValue, FloatValue, DoubleValue>> items =
			reader.types(StringValue.class, BooleanValue.class, ByteValue.class, ShortValue.class, IntValue.class, LongValue.class, FloatValue.class, DoubleValue.class);
	TypeInformation<?> info = items.getType();

	Assert.assertEquals(true, info.isTupleType());
	Assert.assertEquals(Tuple8.class, info.getTypeClass());
}

Example 12

Source File: CSVReaderTest.java From flink with Apache License 2.0

5 votes

@Test
public void testWithValueType() throws Exception {
	CsvReader reader = getCsvReader();
	DataSource<Tuple8<StringValue, BooleanValue, ByteValue, ShortValue, IntValue, LongValue, FloatValue, DoubleValue>> items =
			reader.types(StringValue.class, BooleanValue.class, ByteValue.class, ShortValue.class, IntValue.class, LongValue.class, FloatValue.class, DoubleValue.class);
	TypeInformation<?> info = items.getType();

	Assert.assertEquals(true, info.isTupleType());
	Assert.assertEquals(Tuple8.class, info.getTypeClass());
}

Example 13

Source File: SplitDataProperties.java From Flink-CEPplus with Apache License 2.0

2 votes

/**
 * Creates SplitDataProperties for the given data types.
 *
 * @param source The DataSource for which the SplitDataProperties are created.
 */
public SplitDataProperties(DataSource<T> source) {
	this.type = source.getType();
}

Example 14

Source File: SplitDataProperties.java From flink with Apache License 2.0

2 votes

/**
 * Creates SplitDataProperties for the given data types.
 *
 * @param source The DataSource for which the SplitDataProperties are created.
 */
public SplitDataProperties(DataSource<T> source) {
	this.type = source.getType();
}

Example 15

Source File: SplitDataProperties.java From flink with Apache License 2.0

2 votes

/**
 * Creates SplitDataProperties for the given data types.
 *
 * @param source The DataSource for which the SplitDataProperties are created.
 */
public SplitDataProperties(DataSource<T> source) {
	this.type = source.getType();
}