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 vote down vote up 
@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 vote down vote up 
@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 vote down vote up 
@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 vote down vote up 
@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 vote down vote up 
@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 vote down vote up 
@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 vote down vote up 
@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 vote down vote up 
@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 vote down vote up 
@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 vote down vote up 
@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 vote down vote up 
@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 vote down vote up 
@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 vote down vote up 
/**
 * 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 vote down vote up 
/**
 * 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 vote down vote up 
/**
 * 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();
}