Java Code Examples for org.apache.flink.shaded.guava18.com.google.common.collect.ImmutableList#of()

The following examples show how to use org.apache.flink.shaded.guava18.com.google.common.collect.ImmutableList#of() . 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: AggregationFunctionTest.java    From Flink-CEPplus with Apache License 2.0 4 votes vote down vote up 
@Test
public void minMaxByTest() throws Exception {
	// Tuples are grouped on field 0, aggregated on field 1

	// preparing expected outputs
	List<Tuple3<Integer, Integer, Integer>> maxByFirstExpected = ImmutableList.of(
			Tuple3.of(0, 0, 0), Tuple3.of(0, 1, 1), Tuple3.of(0, 2, 2),
			Tuple3.of(0, 2, 2), Tuple3.of(0, 2, 2), Tuple3.of(0, 2, 2),
			Tuple3.of(0, 2, 2), Tuple3.of(0, 2, 2), Tuple3.of(0, 2, 2));

	List<Tuple3<Integer, Integer, Integer>> maxByLastExpected = ImmutableList.of(
			Tuple3.of(0, 0, 0), Tuple3.of(0, 1, 1), Tuple3.of(0, 2, 2),
			Tuple3.of(0, 2, 2), Tuple3.of(0, 2, 2), Tuple3.of(0, 2, 5),
			Tuple3.of(0, 2, 5), Tuple3.of(0, 2, 5), Tuple3.of(0, 2, 8));

	List<Tuple3<Integer, Integer, Integer>> minByFirstExpected = ImmutableList.of(
			Tuple3.of(0, 0, 0), Tuple3.of(0, 0, 0), Tuple3.of(0, 0, 0),
			Tuple3.of(0, 0, 0), Tuple3.of(0, 0, 0), Tuple3.of(0, 0, 0),
			Tuple3.of(0, 0, 0), Tuple3.of(0, 0, 0), Tuple3.of(0, 0, 0));

	List<Tuple3<Integer, Integer, Integer>> minByLastExpected = ImmutableList.of(
			Tuple3.of(0, 0, 0), Tuple3.of(0, 0, 0), Tuple3.of(0, 0, 0),
			Tuple3.of(0, 0, 3), Tuple3.of(0, 0, 3), Tuple3.of(0, 0, 3),
			Tuple3.of(0, 0, 6), Tuple3.of(0, 0, 6), Tuple3.of(0, 0, 6));

	// some necessary boiler plate
	TypeInformation<Tuple3<Integer, Integer, Integer>> typeInfo = TypeExtractor
			.getForObject(Tuple3.of(0, 0, 0));

	ExecutionConfig config = new ExecutionConfig();

	KeySelector<Tuple3<Integer, Integer, Integer>, Tuple> keySelector = KeySelectorUtil.getSelectorForKeys(
			new Keys.ExpressionKeys<>(new int[]{0}, typeInfo),
			typeInfo, config);
	TypeInformation<Tuple> keyType = TypeExtractor.getKeySelectorTypes(keySelector, typeInfo);

	// aggregations tested
	ReduceFunction<Tuple3<Integer, Integer, Integer>> maxByFunctionFirst =
			new ComparableAggregator<>(1, typeInfo, AggregationType.MAXBY, true, config);
	ReduceFunction<Tuple3<Integer, Integer, Integer>> maxByFunctionLast =
			new ComparableAggregator<>(1, typeInfo, AggregationType.MAXBY, false, config);
	ReduceFunction<Tuple3<Integer, Integer, Integer>> minByFunctionFirst =
			new ComparableAggregator<>(1, typeInfo, AggregationType.MINBY, true, config);
	ReduceFunction<Tuple3<Integer, Integer, Integer>> minByFunctionLast =
			new ComparableAggregator<>(1, typeInfo, AggregationType.MINBY, false, config);

	assertEquals(maxByFirstExpected, MockContext.createAndExecuteForKeyedStream(
			new StreamGroupedReduce<>(maxByFunctionFirst, typeInfo.createSerializer(config)),
			getInputByList(),
			keySelector, keyType));

	assertEquals(maxByLastExpected, MockContext.createAndExecuteForKeyedStream(
			new StreamGroupedReduce<>(maxByFunctionLast, typeInfo.createSerializer(config)),
			getInputByList(),
			keySelector, keyType));

	assertEquals(minByLastExpected, MockContext.createAndExecuteForKeyedStream(
			new StreamGroupedReduce<>(minByFunctionLast, typeInfo.createSerializer(config)),
			getInputByList(),
			keySelector, keyType));

	assertEquals(minByFirstExpected, MockContext.createAndExecuteForKeyedStream(
			new StreamGroupedReduce<>(minByFunctionFirst, typeInfo.createSerializer(config)),
			getInputByList(),
			keySelector, keyType));
}
Example 2
Source File: AggregationFunctionTest.java    From Flink-CEPplus with Apache License 2.0 4 votes vote down vote up 
@Test
public void pojoMinMaxByTest() throws Exception {
	// Pojos are grouped on field 0, aggregated on field 1

	// preparing expected outputs
	List<MyPojo3> maxByFirstExpected = ImmutableList.of(
			new MyPojo3(0, 0), new MyPojo3(1, 1), new MyPojo3(2, 2),
			new MyPojo3(2, 2), new MyPojo3(2, 2), new MyPojo3(2, 2),
			new MyPojo3(2, 2), new MyPojo3(2, 2), new MyPojo3(2, 2));

	List<MyPojo3> maxByLastExpected = ImmutableList.of(
			new MyPojo3(0, 0), new MyPojo3(1, 1), new MyPojo3(2, 2),
			new MyPojo3(2, 2), new MyPojo3(2, 2), new MyPojo3(2, 5),
			new MyPojo3(2, 5), new MyPojo3(2, 5), new MyPojo3(2, 8));

	List<MyPojo3> minByFirstExpected = ImmutableList.of(
			new MyPojo3(0, 0), new MyPojo3(0, 0), new MyPojo3(0, 0),
			new MyPojo3(0, 0), new MyPojo3(0, 0), new MyPojo3(0, 0),
			new MyPojo3(0, 0), new MyPojo3(0, 0), new MyPojo3(0, 0));

	List<MyPojo3> minByLastExpected = ImmutableList.of(
			new MyPojo3(0, 0), new MyPojo3(0, 0), new MyPojo3(0, 0),
			new MyPojo3(0, 3), new MyPojo3(0, 3), new MyPojo3(0, 3),
			new MyPojo3(0, 6), new MyPojo3(0, 6), new MyPojo3(0, 6));

	// some necessary boiler plate
	TypeInformation<MyPojo3> typeInfo = TypeExtractor.getForObject(new MyPojo3(0, 0));

	ExecutionConfig config = new ExecutionConfig();

	KeySelector<MyPojo3, Tuple> keySelector = KeySelectorUtil.getSelectorForKeys(
			new Keys.ExpressionKeys<>(new String[]{"f0"}, typeInfo),
			typeInfo, config);
	TypeInformation<Tuple> keyType = TypeExtractor.getKeySelectorTypes(keySelector, typeInfo);

	// aggregations tested
	ReduceFunction<MyPojo3> maxByFunctionFirst =
			new ComparableAggregator<>("f1", typeInfo, AggregationType.MAXBY, true, config);
	ReduceFunction<MyPojo3> maxByFunctionLast =
			new ComparableAggregator<>("f1", typeInfo, AggregationType.MAXBY, false, config);
	ReduceFunction<MyPojo3> minByFunctionFirst =
			new ComparableAggregator<>("f1", typeInfo, AggregationType.MINBY, true, config);
	ReduceFunction<MyPojo3> minByFunctionLast =
			new ComparableAggregator<>("f1", typeInfo, AggregationType.MINBY, false, config);

	assertEquals(maxByFirstExpected, MockContext.createAndExecuteForKeyedStream(
					new StreamGroupedReduce<>(maxByFunctionFirst, typeInfo.createSerializer(config)),
					getInputByPojoList(),
					keySelector, keyType));

	assertEquals(maxByLastExpected, MockContext.createAndExecuteForKeyedStream(
			new StreamGroupedReduce<>(maxByFunctionLast, typeInfo.createSerializer(config)),
			getInputByPojoList(),
			keySelector, keyType));

	assertEquals(minByLastExpected, MockContext.createAndExecuteForKeyedStream(
			new StreamGroupedReduce<>(minByFunctionLast, typeInfo.createSerializer(config)),
			getInputByPojoList(),
			keySelector, keyType));

	assertEquals(minByFirstExpected, MockContext.createAndExecuteForKeyedStream(
			new StreamGroupedReduce<>(minByFunctionFirst, typeInfo.createSerializer(config)),
			getInputByPojoList(),
			keySelector, keyType));
}
Example 3
Source File: SqlFirstLastValueAggFunction.java    From flink with Apache License 2.0 4 votes vote down vote up 
@SuppressWarnings("deprecation")
public List<RelDataType> getParameterTypes(RelDataTypeFactory typeFactory) {
	return ImmutableList.of(
			typeFactory.createTypeWithNullability(
					typeFactory.createSqlType(SqlTypeName.ANY), true));
}
Example 4
Source File: SqlListAggFunction.java    From flink with Apache License 2.0 4 votes vote down vote up 
@Override
public List<RelDataType> getParameterTypes(RelDataTypeFactory typeFactory) {
	return ImmutableList.of(
			typeFactory.createTypeWithNullability(typeFactory.createSqlType(SqlTypeName.VARCHAR), true));
}
Example 5
Source File: AggregationFunctionTest.java    From flink with Apache License 2.0 4 votes vote down vote up 
@Test
public void minMaxByTest() throws Exception {
	// Tuples are grouped on field 0, aggregated on field 1

	// preparing expected outputs
	List<Tuple3<Integer, Integer, Integer>> maxByFirstExpected = ImmutableList.of(
			Tuple3.of(0, 0, 0), Tuple3.of(0, 1, 1), Tuple3.of(0, 2, 2),
			Tuple3.of(0, 2, 2), Tuple3.of(0, 2, 2), Tuple3.of(0, 2, 2),
			Tuple3.of(0, 2, 2), Tuple3.of(0, 2, 2), Tuple3.of(0, 2, 2));

	List<Tuple3<Integer, Integer, Integer>> maxByLastExpected = ImmutableList.of(
			Tuple3.of(0, 0, 0), Tuple3.of(0, 1, 1), Tuple3.of(0, 2, 2),
			Tuple3.of(0, 2, 2), Tuple3.of(0, 2, 2), Tuple3.of(0, 2, 5),
			Tuple3.of(0, 2, 5), Tuple3.of(0, 2, 5), Tuple3.of(0, 2, 8));

	List<Tuple3<Integer, Integer, Integer>> minByFirstExpected = ImmutableList.of(
			Tuple3.of(0, 0, 0), Tuple3.of(0, 0, 0), Tuple3.of(0, 0, 0),
			Tuple3.of(0, 0, 0), Tuple3.of(0, 0, 0), Tuple3.of(0, 0, 0),
			Tuple3.of(0, 0, 0), Tuple3.of(0, 0, 0), Tuple3.of(0, 0, 0));

	List<Tuple3<Integer, Integer, Integer>> minByLastExpected = ImmutableList.of(
			Tuple3.of(0, 0, 0), Tuple3.of(0, 0, 0), Tuple3.of(0, 0, 0),
			Tuple3.of(0, 0, 3), Tuple3.of(0, 0, 3), Tuple3.of(0, 0, 3),
			Tuple3.of(0, 0, 6), Tuple3.of(0, 0, 6), Tuple3.of(0, 0, 6));

	// some necessary boiler plate
	TypeInformation<Tuple3<Integer, Integer, Integer>> typeInfo = TypeExtractor
			.getForObject(Tuple3.of(0, 0, 0));

	ExecutionConfig config = new ExecutionConfig();

	KeySelector<Tuple3<Integer, Integer, Integer>, Tuple> keySelector = KeySelectorUtil.getSelectorForKeys(
			new Keys.ExpressionKeys<>(new int[]{0}, typeInfo),
			typeInfo, config);
	TypeInformation<Tuple> keyType = TypeExtractor.getKeySelectorTypes(keySelector, typeInfo);

	// aggregations tested
	ReduceFunction<Tuple3<Integer, Integer, Integer>> maxByFunctionFirst =
			new ComparableAggregator<>(1, typeInfo, AggregationType.MAXBY, true, config);
	ReduceFunction<Tuple3<Integer, Integer, Integer>> maxByFunctionLast =
			new ComparableAggregator<>(1, typeInfo, AggregationType.MAXBY, false, config);
	ReduceFunction<Tuple3<Integer, Integer, Integer>> minByFunctionFirst =
			new ComparableAggregator<>(1, typeInfo, AggregationType.MINBY, true, config);
	ReduceFunction<Tuple3<Integer, Integer, Integer>> minByFunctionLast =
			new ComparableAggregator<>(1, typeInfo, AggregationType.MINBY, false, config);

	assertEquals(maxByFirstExpected, MockContext.createAndExecuteForKeyedStream(
			new StreamGroupedReduce<>(maxByFunctionFirst, typeInfo.createSerializer(config)),
			getInputByList(),
			keySelector, keyType));

	assertEquals(maxByLastExpected, MockContext.createAndExecuteForKeyedStream(
			new StreamGroupedReduce<>(maxByFunctionLast, typeInfo.createSerializer(config)),
			getInputByList(),
			keySelector, keyType));

	assertEquals(minByLastExpected, MockContext.createAndExecuteForKeyedStream(
			new StreamGroupedReduce<>(minByFunctionLast, typeInfo.createSerializer(config)),
			getInputByList(),
			keySelector, keyType));

	assertEquals(minByFirstExpected, MockContext.createAndExecuteForKeyedStream(
			new StreamGroupedReduce<>(minByFunctionFirst, typeInfo.createSerializer(config)),
			getInputByList(),
			keySelector, keyType));
}
Example 6
Source File: AggregationFunctionTest.java    From flink with Apache License 2.0 4 votes vote down vote up 
@Test
public void pojoMinMaxByTest() throws Exception {
	// Pojos are grouped on field 0, aggregated on field 1

	// preparing expected outputs
	List<MyPojo3> maxByFirstExpected = ImmutableList.of(
			new MyPojo3(0, 0), new MyPojo3(1, 1), new MyPojo3(2, 2),
			new MyPojo3(2, 2), new MyPojo3(2, 2), new MyPojo3(2, 2),
			new MyPojo3(2, 2), new MyPojo3(2, 2), new MyPojo3(2, 2));

	List<MyPojo3> maxByLastExpected = ImmutableList.of(
			new MyPojo3(0, 0), new MyPojo3(1, 1), new MyPojo3(2, 2),
			new MyPojo3(2, 2), new MyPojo3(2, 2), new MyPojo3(2, 5),
			new MyPojo3(2, 5), new MyPojo3(2, 5), new MyPojo3(2, 8));

	List<MyPojo3> minByFirstExpected = ImmutableList.of(
			new MyPojo3(0, 0), new MyPojo3(0, 0), new MyPojo3(0, 0),
			new MyPojo3(0, 0), new MyPojo3(0, 0), new MyPojo3(0, 0),
			new MyPojo3(0, 0), new MyPojo3(0, 0), new MyPojo3(0, 0));

	List<MyPojo3> minByLastExpected = ImmutableList.of(
			new MyPojo3(0, 0), new MyPojo3(0, 0), new MyPojo3(0, 0),
			new MyPojo3(0, 3), new MyPojo3(0, 3), new MyPojo3(0, 3),
			new MyPojo3(0, 6), new MyPojo3(0, 6), new MyPojo3(0, 6));

	// some necessary boiler plate
	TypeInformation<MyPojo3> typeInfo = TypeExtractor.getForObject(new MyPojo3(0, 0));

	ExecutionConfig config = new ExecutionConfig();

	KeySelector<MyPojo3, Tuple> keySelector = KeySelectorUtil.getSelectorForKeys(
			new Keys.ExpressionKeys<>(new String[]{"f0"}, typeInfo),
			typeInfo, config);
	TypeInformation<Tuple> keyType = TypeExtractor.getKeySelectorTypes(keySelector, typeInfo);

	// aggregations tested
	ReduceFunction<MyPojo3> maxByFunctionFirst =
			new ComparableAggregator<>("f1", typeInfo, AggregationType.MAXBY, true, config);
	ReduceFunction<MyPojo3> maxByFunctionLast =
			new ComparableAggregator<>("f1", typeInfo, AggregationType.MAXBY, false, config);
	ReduceFunction<MyPojo3> minByFunctionFirst =
			new ComparableAggregator<>("f1", typeInfo, AggregationType.MINBY, true, config);
	ReduceFunction<MyPojo3> minByFunctionLast =
			new ComparableAggregator<>("f1", typeInfo, AggregationType.MINBY, false, config);

	assertEquals(maxByFirstExpected, MockContext.createAndExecuteForKeyedStream(
					new StreamGroupedReduce<>(maxByFunctionFirst, typeInfo.createSerializer(config)),
					getInputByPojoList(),
					keySelector, keyType));

	assertEquals(maxByLastExpected, MockContext.createAndExecuteForKeyedStream(
			new StreamGroupedReduce<>(maxByFunctionLast, typeInfo.createSerializer(config)),
			getInputByPojoList(),
			keySelector, keyType));

	assertEquals(minByLastExpected, MockContext.createAndExecuteForKeyedStream(
			new StreamGroupedReduce<>(minByFunctionLast, typeInfo.createSerializer(config)),
			getInputByPojoList(),
			keySelector, keyType));

	assertEquals(minByFirstExpected, MockContext.createAndExecuteForKeyedStream(
			new StreamGroupedReduce<>(minByFunctionFirst, typeInfo.createSerializer(config)),
			getInputByPojoList(),
			keySelector, keyType));
}
Example 7
Source File: SqlFirstLastValueAggFunction.java    From flink with Apache License 2.0 4 votes vote down vote up 
@SuppressWarnings("deprecation")
public List<RelDataType> getParameterTypes(RelDataTypeFactory typeFactory) {
	return ImmutableList.of(
			typeFactory.createTypeWithNullability(
					typeFactory.createSqlType(SqlTypeName.ANY), true));
}
Example 8
Source File: SqlListAggFunction.java    From flink with Apache License 2.0 4 votes vote down vote up 
@Override
public List<RelDataType> getParameterTypes(RelDataTypeFactory typeFactory) {
	return ImmutableList.of(
			typeFactory.createTypeWithNullability(typeFactory.createSqlType(SqlTypeName.VARCHAR), true));
}
Example 9
Source File: AggregationFunctionTest.java    From flink with Apache License 2.0 4 votes vote down vote up 
@Test
public void minMaxByTest() throws Exception {
	// Tuples are grouped on field 0, aggregated on field 1

	// preparing expected outputs
	List<Tuple3<Integer, Integer, Integer>> maxByFirstExpected = ImmutableList.of(
			Tuple3.of(0, 0, 0), Tuple3.of(0, 1, 1), Tuple3.of(0, 2, 2),
			Tuple3.of(0, 2, 2), Tuple3.of(0, 2, 2), Tuple3.of(0, 2, 2),
			Tuple3.of(0, 2, 2), Tuple3.of(0, 2, 2), Tuple3.of(0, 2, 2));

	List<Tuple3<Integer, Integer, Integer>> maxByLastExpected = ImmutableList.of(
			Tuple3.of(0, 0, 0), Tuple3.of(0, 1, 1), Tuple3.of(0, 2, 2),
			Tuple3.of(0, 2, 2), Tuple3.of(0, 2, 2), Tuple3.of(0, 2, 5),
			Tuple3.of(0, 2, 5), Tuple3.of(0, 2, 5), Tuple3.of(0, 2, 8));

	List<Tuple3<Integer, Integer, Integer>> minByFirstExpected = ImmutableList.of(
			Tuple3.of(0, 0, 0), Tuple3.of(0, 0, 0), Tuple3.of(0, 0, 0),
			Tuple3.of(0, 0, 0), Tuple3.of(0, 0, 0), Tuple3.of(0, 0, 0),
			Tuple3.of(0, 0, 0), Tuple3.of(0, 0, 0), Tuple3.of(0, 0, 0));

	List<Tuple3<Integer, Integer, Integer>> minByLastExpected = ImmutableList.of(
			Tuple3.of(0, 0, 0), Tuple3.of(0, 0, 0), Tuple3.of(0, 0, 0),
			Tuple3.of(0, 0, 3), Tuple3.of(0, 0, 3), Tuple3.of(0, 0, 3),
			Tuple3.of(0, 0, 6), Tuple3.of(0, 0, 6), Tuple3.of(0, 0, 6));

	// some necessary boiler plate
	TypeInformation<Tuple3<Integer, Integer, Integer>> typeInfo = TypeExtractor
			.getForObject(Tuple3.of(0, 0, 0));

	ExecutionConfig config = new ExecutionConfig();

	KeySelector<Tuple3<Integer, Integer, Integer>, Tuple> keySelector = KeySelectorUtil.getSelectorForKeys(
			new Keys.ExpressionKeys<>(new int[]{0}, typeInfo),
			typeInfo, config);
	TypeInformation<Tuple> keyType = TypeExtractor.getKeySelectorTypes(keySelector, typeInfo);

	// aggregations tested
	ReduceFunction<Tuple3<Integer, Integer, Integer>> maxByFunctionFirst =
			new ComparableAggregator<>(1, typeInfo, AggregationType.MAXBY, true, config);
	ReduceFunction<Tuple3<Integer, Integer, Integer>> maxByFunctionLast =
			new ComparableAggregator<>(1, typeInfo, AggregationType.MAXBY, false, config);
	ReduceFunction<Tuple3<Integer, Integer, Integer>> minByFunctionFirst =
			new ComparableAggregator<>(1, typeInfo, AggregationType.MINBY, true, config);
	ReduceFunction<Tuple3<Integer, Integer, Integer>> minByFunctionLast =
			new ComparableAggregator<>(1, typeInfo, AggregationType.MINBY, false, config);

	assertEquals(maxByFirstExpected, MockContext.createAndExecuteForKeyedStream(
			new StreamGroupedReduce<>(maxByFunctionFirst, typeInfo.createSerializer(config)),
			getInputByList(),
			keySelector, keyType));

	assertEquals(maxByLastExpected, MockContext.createAndExecuteForKeyedStream(
			new StreamGroupedReduce<>(maxByFunctionLast, typeInfo.createSerializer(config)),
			getInputByList(),
			keySelector, keyType));

	assertEquals(minByLastExpected, MockContext.createAndExecuteForKeyedStream(
			new StreamGroupedReduce<>(minByFunctionLast, typeInfo.createSerializer(config)),
			getInputByList(),
			keySelector, keyType));

	assertEquals(minByFirstExpected, MockContext.createAndExecuteForKeyedStream(
			new StreamGroupedReduce<>(minByFunctionFirst, typeInfo.createSerializer(config)),
			getInputByList(),
			keySelector, keyType));
}
Example 10
Source File: AggregationFunctionTest.java    From flink with Apache License 2.0 4 votes vote down vote up 
@Test
public void pojoMinMaxByTest() throws Exception {
	// Pojos are grouped on field 0, aggregated on field 1

	// preparing expected outputs
	List<MyPojo3> maxByFirstExpected = ImmutableList.of(
			new MyPojo3(0, 0), new MyPojo3(1, 1), new MyPojo3(2, 2),
			new MyPojo3(2, 2), new MyPojo3(2, 2), new MyPojo3(2, 2),
			new MyPojo3(2, 2), new MyPojo3(2, 2), new MyPojo3(2, 2));

	List<MyPojo3> maxByLastExpected = ImmutableList.of(
			new MyPojo3(0, 0), new MyPojo3(1, 1), new MyPojo3(2, 2),
			new MyPojo3(2, 2), new MyPojo3(2, 2), new MyPojo3(2, 5),
			new MyPojo3(2, 5), new MyPojo3(2, 5), new MyPojo3(2, 8));

	List<MyPojo3> minByFirstExpected = ImmutableList.of(
			new MyPojo3(0, 0), new MyPojo3(0, 0), new MyPojo3(0, 0),
			new MyPojo3(0, 0), new MyPojo3(0, 0), new MyPojo3(0, 0),
			new MyPojo3(0, 0), new MyPojo3(0, 0), new MyPojo3(0, 0));

	List<MyPojo3> minByLastExpected = ImmutableList.of(
			new MyPojo3(0, 0), new MyPojo3(0, 0), new MyPojo3(0, 0),
			new MyPojo3(0, 3), new MyPojo3(0, 3), new MyPojo3(0, 3),
			new MyPojo3(0, 6), new MyPojo3(0, 6), new MyPojo3(0, 6));

	// some necessary boiler plate
	TypeInformation<MyPojo3> typeInfo = TypeExtractor.getForObject(new MyPojo3(0, 0));

	ExecutionConfig config = new ExecutionConfig();

	KeySelector<MyPojo3, Tuple> keySelector = KeySelectorUtil.getSelectorForKeys(
			new Keys.ExpressionKeys<>(new String[]{"f0"}, typeInfo),
			typeInfo, config);
	TypeInformation<Tuple> keyType = TypeExtractor.getKeySelectorTypes(keySelector, typeInfo);

	// aggregations tested
	ReduceFunction<MyPojo3> maxByFunctionFirst =
			new ComparableAggregator<>("f1", typeInfo, AggregationType.MAXBY, true, config);
	ReduceFunction<MyPojo3> maxByFunctionLast =
			new ComparableAggregator<>("f1", typeInfo, AggregationType.MAXBY, false, config);
	ReduceFunction<MyPojo3> minByFunctionFirst =
			new ComparableAggregator<>("f1", typeInfo, AggregationType.MINBY, true, config);
	ReduceFunction<MyPojo3> minByFunctionLast =
			new ComparableAggregator<>("f1", typeInfo, AggregationType.MINBY, false, config);

	assertEquals(maxByFirstExpected, MockContext.createAndExecuteForKeyedStream(
					new StreamGroupedReduce<>(maxByFunctionFirst, typeInfo.createSerializer(config)),
					getInputByPojoList(),
					keySelector, keyType));

	assertEquals(maxByLastExpected, MockContext.createAndExecuteForKeyedStream(
			new StreamGroupedReduce<>(maxByFunctionLast, typeInfo.createSerializer(config)),
			getInputByPojoList(),
			keySelector, keyType));

	assertEquals(minByLastExpected, MockContext.createAndExecuteForKeyedStream(
			new StreamGroupedReduce<>(minByFunctionLast, typeInfo.createSerializer(config)),
			getInputByPojoList(),
			keySelector, keyType));

	assertEquals(minByFirstExpected, MockContext.createAndExecuteForKeyedStream(
			new StreamGroupedReduce<>(minByFunctionFirst, typeInfo.createSerializer(config)),
			getInputByPojoList(),
			keySelector, keyType));
}
Example 11
Source File: FlinkPreparingTableBase.java    From flink with Apache License 2.0 2 votes vote down vote up 
/**
 * Returns a description of the physical ordering (or orderings) of the rows
 * returned from this table.
 *
 * @see org.apache.calcite.rel.metadata.RelMetadataQuery#collations(RelNode)
 */
public List<RelCollation> getCollationList() {
	return ImmutableList.of();
}
Example 12
Source File: FlinkPreparingTableBase.java    From flink with Apache License 2.0 2 votes vote down vote up 
/**
 * Returns the referential constraints existing for this table. These constraints
 * are represented over other tables using {@link RelReferentialConstraint} nodes.
 */
public List<RelReferentialConstraint> getReferentialConstraints() {
	return ImmutableList.of();
}