Examples with GrouperMetadataImpl org.apache.samza.container.grouper.task.GrouperMetadataImpl used on opensource projects

Example 11 with GrouperMetadataImpl

use of org.apache.samza.container.grouper.task.GrouperMetadataImpl in project samza by apache.

the class TestGroupBySystemStreamPartitionWithGrouperProxy method testRemovalOfPreviousStreamsAndThenAddNewStream.

@Test
public void testRemovalOfPreviousStreamsAndThenAddNewStream() {
    Map<TaskName, List<SystemStreamPartition>> prevGroupingWithMultipleStreams = ImmutableMap.<TaskName, List<SystemStreamPartition>>builder().put(new TaskName("SystemStreamPartition [kafka, PVE, 0]"), ImmutableList.of(new SystemStreamPartition("kafka", "PVE", new Partition(0)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 1]"), ImmutableList.of(new SystemStreamPartition("kafka", "PVE", new Partition(1)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 2]"), ImmutableList.of(new SystemStreamPartition("kafka", "PVE", new Partition(2)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 3]"), ImmutableList.of(new SystemStreamPartition("kafka", "PVE", new Partition(3)))).put(new TaskName("SystemStreamPartition [kafka, URE, 0]"), ImmutableList.of(new SystemStreamPartition("kafka", "PVE", new Partition(0)))).put(new TaskName("SystemStreamPartition [kafka, URE, 1]"), ImmutableList.of(new SystemStreamPartition("kafka", "PVE", new Partition(1)))).put(new TaskName("SystemStreamPartition [kafka, URE, 2]"), ImmutableList.of(new SystemStreamPartition("kafka", "PVE", new Partition(2)))).put(new TaskName("SystemStreamPartition [kafka, URE, 3]"), ImmutableList.of(new SystemStreamPartition("kafka", "PVE", new Partition(3)))).build();
    Set<SystemStreamPartition> currSsps = IntStream.range(0, 8).mapToObj(partitionId -> new SystemStreamPartition("kafka", "BOB", new Partition(partitionId))).collect(Collectors.toSet());
    Map<TaskName, Set<SystemStreamPartition>> expectedGroupingForStatefulAndStateless = ImmutableMap.<TaskName, Set<SystemStreamPartition>>builder().put(new TaskName("SystemStreamPartition [kafka, BOB, 1]"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(1)))).put(new TaskName("SystemStreamPartition [kafka, BOB, 0]"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(0)))).put(new TaskName("SystemStreamPartition [kafka, BOB, 3]"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(3)))).put(new TaskName("SystemStreamPartition [kafka, BOB, 2]"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(2)))).put(new TaskName("SystemStreamPartition [kafka, BOB, 5]"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(5)))).put(new TaskName("SystemStreamPartition [kafka, BOB, 4]"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(4)))).put(new TaskName("SystemStreamPartition [kafka, BOB, 7]"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(7)))).put(new TaskName("SystemStreamPartition [kafka, BOB, 6]"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(6)))).build();
    // SSPGrouperProxy for stateful job
    SSPGrouperProxy groupBySystemStreamPartition = buildSspGrouperProxy(true);
    GrouperMetadata grouperMetadata = new GrouperMetadataImpl(new HashMap<>(), new HashMap<>(), prevGroupingWithMultipleStreams, new HashMap<>());
    Map<TaskName, Set<SystemStreamPartition>> finalGrouping = groupBySystemStreamPartition.group(currSsps, grouperMetadata);
    Assert.assertEquals(expectedGroupingForStatefulAndStateless, finalGrouping);
    // SSPGrouperProxy for stateless job
    groupBySystemStreamPartition = buildSspGrouperProxy(false);
    finalGrouping = groupBySystemStreamPartition.group(currSsps, grouperMetadata);
    Assert.assertEquals(expectedGroupingForStatefulAndStateless, finalGrouping);
}

Example 12 with GrouperMetadataImpl

use of org.apache.samza.container.grouper.task.GrouperMetadataImpl in project samza by apache.

the class TestGroupBySystemStreamPartitionWithGrouperProxy method testSingleStreamRepartitioning.

@Test
public void testSingleStreamRepartitioning() {
    Map<TaskName, List<SystemStreamPartition>> prevGroupingWithSingleStream = ImmutableMap.<TaskName, List<SystemStreamPartition>>builder().put(new TaskName("SystemStreamPartition [kafka, PVE, 0]"), ImmutableList.of(new SystemStreamPartition("kafka", "PVE", new Partition(0)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 1]"), ImmutableList.of(new SystemStreamPartition("kafka", "PVE", new Partition(1)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 2]"), ImmutableList.of(new SystemStreamPartition("kafka", "PVE", new Partition(2)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 3]"), ImmutableList.of(new SystemStreamPartition("kafka", "PVE", new Partition(3)))).build();
    Set<SystemStreamPartition> currSsps = IntStream.range(0, 8).mapToObj(partitionId -> new SystemStreamPartition("kafka", "PVE", new Partition(partitionId))).collect(Collectors.toSet());
    Map<TaskName, Set<SystemStreamPartition>> expectedGroupingForStateful = ImmutableMap.<TaskName, Set<SystemStreamPartition>>builder().put(new TaskName("SystemStreamPartition [kafka, PVE, 1]"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(1)), new SystemStreamPartition("kafka", "PVE", new Partition(5)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 0]"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(0)), new SystemStreamPartition("kafka", "PVE", new Partition(4)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 3]"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(7)), new SystemStreamPartition("kafka", "PVE", new Partition(3)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 2]"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(2)), new SystemStreamPartition("kafka", "PVE", new Partition(6)))).build();
    Map<TaskName, Set<SystemStreamPartition>> expectedGroupingForStateless = ImmutableMap.<TaskName, Set<SystemStreamPartition>>builder().put(new TaskName("SystemStreamPartition [kafka, PVE, 1]"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(1)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 0]"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(0)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 3]"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(3)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 2]"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(2)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 5]"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(5)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 4]"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(4)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 7]"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(7)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 6]"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(6)))).build();
    // SSPGrouperProxy for stateful job
    SSPGrouperProxy groupBySystemStreamPartition = buildSspGrouperProxy(true);
    GrouperMetadata grouperMetadata = new GrouperMetadataImpl(new HashMap<>(), new HashMap<>(), prevGroupingWithSingleStream, new HashMap<>());
    Map<TaskName, Set<SystemStreamPartition>> finalGrouping = groupBySystemStreamPartition.group(currSsps, grouperMetadata);
    Assert.assertEquals(expectedGroupingForStateful, finalGrouping);
    // SSPGrouperProxy for stateless job
    groupBySystemStreamPartition = buildSspGrouperProxy(false);
    finalGrouping = groupBySystemStreamPartition.group(currSsps, grouperMetadata);
    Assert.assertEquals(expectedGroupingForStateless, finalGrouping);
}

Example 13 with GrouperMetadataImpl

use of org.apache.samza.container.grouper.task.GrouperMetadataImpl in project samza by apache.

the class TestGroupBySystemStreamPartitionWithGrouperProxy method testMultipleStreamExpansionWithNewStreams.

@Test
public void testMultipleStreamExpansionWithNewStreams() {
    Map<TaskName, List<SystemStreamPartition>> prevGroupingWithMultipleStreams = ImmutableMap.<TaskName, List<SystemStreamPartition>>builder().put(new TaskName("SystemStreamPartition [kafka, PVE, 0]"), ImmutableList.of(new SystemStreamPartition("kafka", "PVE", new Partition(0)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 1]"), ImmutableList.of(new SystemStreamPartition("kafka", "PVE", new Partition(1)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 2]"), ImmutableList.of(new SystemStreamPartition("kafka", "PVE", new Partition(2)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 3]"), ImmutableList.of(new SystemStreamPartition("kafka", "PVE", new Partition(3)))).put(new TaskName("SystemStreamPartition [kafka, URE, 0]"), ImmutableList.of(new SystemStreamPartition("kafka", "URE", new Partition(0)))).put(new TaskName("SystemStreamPartition [kafka, URE, 1]"), ImmutableList.of(new SystemStreamPartition("kafka", "URE", new Partition(1)))).put(new TaskName("SystemStreamPartition [kafka, URE, 2]"), ImmutableList.of(new SystemStreamPartition("kafka", "URE", new Partition(2)))).put(new TaskName("SystemStreamPartition [kafka, URE, 3]"), ImmutableList.of(new SystemStreamPartition("kafka", "URE", new Partition(3)))).build();
    Set<SystemStreamPartition> currSsps = IntStream.range(0, 8).mapToObj(partitionId -> new SystemStreamPartition("kafka", "PVE", new Partition(partitionId))).collect(Collectors.toSet());
    IntStream.range(0, 8).forEach(partitionId -> currSsps.add(new SystemStreamPartition("kafka", "BOB", new Partition(partitionId))));
    IntStream.range(0, 8).forEach(partitionId -> currSsps.add(new SystemStreamPartition("kafka", "URE", new Partition(partitionId))));
    Map<TaskName, Set<SystemStreamPartition>> expectedGroupingForStateful = ImmutableMap.<TaskName, Set<SystemStreamPartition>>builder().put(new TaskName("SystemStreamPartition [kafka, BOB, 1]"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(1)))).put(new TaskName("SystemStreamPartition [kafka, BOB, 0]"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(0)))).put(new TaskName("SystemStreamPartition [kafka, BOB, 3]"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(3)))).put(new TaskName("SystemStreamPartition [kafka, BOB, 2]"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(2)))).put(new TaskName("SystemStreamPartition [kafka, BOB, 5]"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(5)))).put(new TaskName("SystemStreamPartition [kafka, BOB, 4]"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(4)))).put(new TaskName("SystemStreamPartition [kafka, BOB, 7]"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(7)))).put(new TaskName("SystemStreamPartition [kafka, BOB, 6]"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(6)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 1]"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(1)), new SystemStreamPartition("kafka", "PVE", new Partition(5)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 2]"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(2)), new SystemStreamPartition("kafka", "PVE", new Partition(6)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 3]"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(3)), new SystemStreamPartition("kafka", "PVE", new Partition(7)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 0]"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(0)), new SystemStreamPartition("kafka", "PVE", new Partition(4)))).put(new TaskName("SystemStreamPartition [kafka, URE, 1]"), ImmutableSet.of(new SystemStreamPartition("kafka", "URE", new Partition(1)), new SystemStreamPartition("kafka", "URE", new Partition(5)))).put(new TaskName("SystemStreamPartition [kafka, URE, 2]"), ImmutableSet.of(new SystemStreamPartition("kafka", "URE", new Partition(2)), new SystemStreamPartition("kafka", "URE", new Partition(6)))).put(new TaskName("SystemStreamPartition [kafka, URE, 3]"), ImmutableSet.of(new SystemStreamPartition("kafka", "URE", new Partition(3)), new SystemStreamPartition("kafka", "URE", new Partition(7)))).put(new TaskName("SystemStreamPartition [kafka, URE, 0]"), ImmutableSet.of(new SystemStreamPartition("kafka", "URE", new Partition(0)), new SystemStreamPartition("kafka", "URE", new Partition(4)))).build();
    Map<TaskName, Set<SystemStreamPartition>> expectedGroupingForStateless = ImmutableMap.<TaskName, Set<SystemStreamPartition>>builder().put(new TaskName("SystemStreamPartition [kafka, BOB, 1]"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(1)))).put(new TaskName("SystemStreamPartition [kafka, BOB, 0]"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(0)))).put(new TaskName("SystemStreamPartition [kafka, BOB, 3]"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(3)))).put(new TaskName("SystemStreamPartition [kafka, BOB, 2]"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(2)))).put(new TaskName("SystemStreamPartition [kafka, BOB, 5]"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(5)))).put(new TaskName("SystemStreamPartition [kafka, BOB, 4]"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(4)))).put(new TaskName("SystemStreamPartition [kafka, BOB, 7]"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(7)))).put(new TaskName("SystemStreamPartition [kafka, BOB, 6]"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(6)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 1]"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(1)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 2]"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(2)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 3]"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(3)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 0]"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(0)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 4]"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(4)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 5]"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(5)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 6]"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(6)))).put(new TaskName("SystemStreamPartition [kafka, PVE, 7]"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(7)))).put(new TaskName("SystemStreamPartition [kafka, URE, 1]"), ImmutableSet.of(new SystemStreamPartition("kafka", "URE", new Partition(1)))).put(new TaskName("SystemStreamPartition [kafka, URE, 2]"), ImmutableSet.of(new SystemStreamPartition("kafka", "URE", new Partition(2)))).put(new TaskName("SystemStreamPartition [kafka, URE, 3]"), ImmutableSet.of(new SystemStreamPartition("kafka", "URE", new Partition(3)))).put(new TaskName("SystemStreamPartition [kafka, URE, 0]"), ImmutableSet.of(new SystemStreamPartition("kafka", "URE", new Partition(0)))).put(new TaskName("SystemStreamPartition [kafka, URE, 4]"), ImmutableSet.of(new SystemStreamPartition("kafka", "URE", new Partition(4)))).put(new TaskName("SystemStreamPartition [kafka, URE, 5]"), ImmutableSet.of(new SystemStreamPartition("kafka", "URE", new Partition(5)))).put(new TaskName("SystemStreamPartition [kafka, URE, 6]"), ImmutableSet.of(new SystemStreamPartition("kafka", "URE", new Partition(6)))).put(new TaskName("SystemStreamPartition [kafka, URE, 7]"), ImmutableSet.of(new SystemStreamPartition("kafka", "URE", new Partition(7)))).build();
    // SSPGrouperProxy for stateful job
    SSPGrouperProxy groupBySystemStreamPartition = buildSspGrouperProxy(true);
    GrouperMetadata grouperMetadata = new GrouperMetadataImpl(new HashMap<>(), new HashMap<>(), prevGroupingWithMultipleStreams, new HashMap<>());
    Map<TaskName, Set<SystemStreamPartition>> finalGrouping = groupBySystemStreamPartition.group(currSsps, grouperMetadata);
    Assert.assertEquals(expectedGroupingForStateful, finalGrouping);
    // SSPGrouperProxy for stateless job
    groupBySystemStreamPartition = buildSspGrouperProxy(false);
    finalGrouping = groupBySystemStreamPartition.group(currSsps, grouperMetadata);
    Assert.assertEquals(expectedGroupingForStateless, finalGrouping);
}

Example 14 with GrouperMetadataImpl

use of org.apache.samza.container.grouper.task.GrouperMetadataImpl in project samza by apache.

the class TestGroupByPartitionWithGrouperProxy method testMultipleStreamRepartitioningWithNewStreams.

@Test
public void testMultipleStreamRepartitioningWithNewStreams() {
    Map<TaskName, List<SystemStreamPartition>> prevGroupingWithMultipleStreams = ImmutableMap.<TaskName, List<SystemStreamPartition>>builder().put(new TaskName("Partition 0"), ImmutableList.of(new SystemStreamPartition("kafka", "PVE", new Partition(0)), new SystemStreamPartition("kafka", "URE", new Partition(0)))).put(new TaskName("Partition 1"), ImmutableList.of(new SystemStreamPartition("kafka", "PVE", new Partition(1)), new SystemStreamPartition("kafka", "URE", new Partition(1)))).put(new TaskName("Partition 2"), ImmutableList.of(new SystemStreamPartition("kafka", "PVE", new Partition(2)), new SystemStreamPartition("kafka", "URE", new Partition(2)))).put(new TaskName("Partition 3"), ImmutableList.of(new SystemStreamPartition("kafka", "PVE", new Partition(3)), new SystemStreamPartition("kafka", "URE", new Partition(3)))).build();
    Set<SystemStreamPartition> currSsps = new HashSet<>();
    IntStream.range(0, 8).forEach(partitionId -> currSsps.add(new SystemStreamPartition("kafka", "PVE", new Partition(partitionId))));
    IntStream.range(0, 8).forEach(partitionId -> currSsps.add(new SystemStreamPartition("kafka", "URE", new Partition(partitionId))));
    IntStream.range(0, 8).forEach(partitionId -> currSsps.add(new SystemStreamPartition("kafka", "BOB", new Partition(partitionId))));
    Map<TaskName, Set<SystemStreamPartition>> expectedGroupingForStateful = ImmutableMap.<TaskName, Set<SystemStreamPartition>>builder().put(new TaskName("Partition 1"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(1)), new SystemStreamPartition("kafka", "PVE", new Partition(5)), new SystemStreamPartition("kafka", "URE", new Partition(1)), new SystemStreamPartition("kafka", "URE", new Partition(5)), new SystemStreamPartition("kafka", "BOB", new Partition(1)))).put(new TaskName("Partition 0"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(0)), new SystemStreamPartition("kafka", "PVE", new Partition(4)), new SystemStreamPartition("kafka", "URE", new Partition(0)), new SystemStreamPartition("kafka", "URE", new Partition(4)), new SystemStreamPartition("kafka", "BOB", new Partition(0)))).put(new TaskName("Partition 3"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(7)), new SystemStreamPartition("kafka", "PVE", new Partition(3)), new SystemStreamPartition("kafka", "URE", new Partition(3)), new SystemStreamPartition("kafka", "URE", new Partition(7)), new SystemStreamPartition("kafka", "BOB", new Partition(3)))).put(new TaskName("Partition 2"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(2)), new SystemStreamPartition("kafka", "PVE", new Partition(6)), new SystemStreamPartition("kafka", "URE", new Partition(2)), new SystemStreamPartition("kafka", "URE", new Partition(6)), new SystemStreamPartition("kafka", "BOB", new Partition(2)))).put(new TaskName("Partition 5"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(5)))).put(new TaskName("Partition 4"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(4)))).put(new TaskName("Partition 7"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(7)))).put(new TaskName("Partition 6"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(6)))).build();
    Map<TaskName, Set<SystemStreamPartition>> expectedGroupingForStateless = ImmutableMap.<TaskName, Set<SystemStreamPartition>>builder().put(new TaskName("Partition 1"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(1)), new SystemStreamPartition("kafka", "URE", new Partition(1)), new SystemStreamPartition("kafka", "BOB", new Partition(1)))).put(new TaskName("Partition 0"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(0)), new SystemStreamPartition("kafka", "URE", new Partition(0)), new SystemStreamPartition("kafka", "BOB", new Partition(0)))).put(new TaskName("Partition 3"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(3)), new SystemStreamPartition("kafka", "URE", new Partition(3)), new SystemStreamPartition("kafka", "BOB", new Partition(3)))).put(new TaskName("Partition 2"), ImmutableSet.of(new SystemStreamPartition("kafka", "PVE", new Partition(2)), new SystemStreamPartition("kafka", "URE", new Partition(2)), new SystemStreamPartition("kafka", "BOB", new Partition(2)))).put(new TaskName("Partition 5"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(5)), new SystemStreamPartition("kafka", "PVE", new Partition(5)), new SystemStreamPartition("kafka", "URE", new Partition(5)))).put(new TaskName("Partition 4"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(4)), new SystemStreamPartition("kafka", "PVE", new Partition(4)), new SystemStreamPartition("kafka", "URE", new Partition(4)))).put(new TaskName("Partition 7"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(7)), new SystemStreamPartition("kafka", "PVE", new Partition(7)), new SystemStreamPartition("kafka", "URE", new Partition(7)))).put(new TaskName("Partition 6"), ImmutableSet.of(new SystemStreamPartition("kafka", "BOB", new Partition(6)), new SystemStreamPartition("kafka", "PVE", new Partition(6)), new SystemStreamPartition("kafka", "URE", new Partition(6)))).build();
    // SSPGrouperProxy for stateful job
    SSPGrouperProxy groupByPartition = buildSspGrouperProxy(true);
    GrouperMetadata grouperMetadata = new GrouperMetadataImpl(new HashMap<>(), new HashMap<>(), prevGroupingWithMultipleStreams, new HashMap<>());
    Map<TaskName, Set<SystemStreamPartition>> finalGrouping = groupByPartition.group(currSsps, grouperMetadata);
    Assert.assertEquals(expectedGroupingForStateful, finalGrouping);
    // SSPGrouperProxy for stateless job
    groupByPartition = buildSspGrouperProxy(false);
    finalGrouping = groupByPartition.group(currSsps, grouperMetadata);
    Assert.assertEquals(expectedGroupingForStateless, finalGrouping);
}