Examples with Collections.singletonList java.util.Collections.singletonList used on opensource projects

Example 6 with Collections.singletonList

use of java.util.Collections.singletonList in project kafka by apache.

the class KafkaAdminClientTest method testListOffsetsMaxTimestampUnsupportedMultipleOffsetSpec.

@Test
public void testListOffsetsMaxTimestampUnsupportedMultipleOffsetSpec() throws Exception {
    Node node = new Node(0, "localhost", 8120);
    List<Node> nodes = Collections.singletonList(node);
    List<PartitionInfo> pInfos = new ArrayList<>();
    pInfos.add(new PartitionInfo("foo", 0, node, new Node[] { node }, new Node[] { node }));
    pInfos.add(new PartitionInfo("foo", 1, node, new Node[] { node }, new Node[] { node }));
    final Cluster cluster = new Cluster("mockClusterId", nodes, pInfos, Collections.emptySet(), Collections.emptySet(), node);
    final TopicPartition tp0 = new TopicPartition("foo", 0);
    final TopicPartition tp1 = new TopicPartition("foo", 1);
    try (AdminClientUnitTestEnv env = new AdminClientUnitTestEnv(cluster, AdminClientConfig.RETRIES_CONFIG, "2")) {
        env.kafkaClient().setNodeApiVersions(NodeApiVersions.create(ApiKeys.LIST_OFFSETS.id, (short) 0, (short) 6));
        env.kafkaClient().prepareResponse(prepareMetadataResponse(cluster, Errors.NONE));
        // listoffsets response from broker 0
        env.kafkaClient().prepareUnsupportedVersionResponse(request -> request instanceof ListOffsetsRequest);
        ListOffsetsTopicResponse topicResponse = ListOffsetsResponse.singletonListOffsetsTopicResponse(tp1, Errors.NONE, -1L, 345L, 543);
        ListOffsetsResponseData responseData = new ListOffsetsResponseData().setThrottleTimeMs(0).setTopics(Arrays.asList(topicResponse));
        env.kafkaClient().prepareResponseFrom(// ensure that no max timestamp requests are retried
        request -> request instanceof ListOffsetsRequest && ((ListOffsetsRequest) request).topics().stream().flatMap(t -> t.partitions().stream()).noneMatch(p -> p.timestamp() == ListOffsetsRequest.MAX_TIMESTAMP), new ListOffsetsResponse(responseData), node);
        ListOffsetsResult result = env.adminClient().listOffsets(new HashMap<TopicPartition, OffsetSpec>() {

            {
                put(tp0, OffsetSpec.maxTimestamp());
                put(tp1, OffsetSpec.latest());
            }
        });
        TestUtils.assertFutureThrows(result.partitionResult(tp0), UnsupportedVersionException.class);
        ListOffsetsResultInfo tp1Offset = result.partitionResult(tp1).get();
        assertEquals(345L, tp1Offset.offset());
        assertEquals(543, tp1Offset.leaderEpoch().get().intValue());
        assertEquals(-1L, tp1Offset.timestamp());
    }
}

Example 7 with Collections.singletonList

use of java.util.Collections.singletonList in project kafka by apache.

the class FetcherTest method testReturnAbortedTransactionsinUncommittedMode.

@Test
public void testReturnAbortedTransactionsinUncommittedMode() {
    buildFetcher(OffsetResetStrategy.EARLIEST, new ByteArrayDeserializer(), new ByteArrayDeserializer(), Integer.MAX_VALUE, IsolationLevel.READ_UNCOMMITTED);
    ByteBuffer buffer = ByteBuffer.allocate(1024);
    int currentOffset = 0;
    currentOffset += appendTransactionalRecords(buffer, 1L, currentOffset, new SimpleRecord(time.milliseconds(), "key".getBytes(), "value".getBytes()), new SimpleRecord(time.milliseconds(), "key".getBytes(), "value".getBytes()));
    abortTransaction(buffer, 1L, currentOffset);
    buffer.flip();
    List<FetchResponseData.AbortedTransaction> abortedTransactions = Collections.singletonList(new FetchResponseData.AbortedTransaction().setProducerId(1).setFirstOffset(0));
    MemoryRecords records = MemoryRecords.readableRecords(buffer);
    assignFromUser(singleton(tp0));
    subscriptions.seek(tp0, 0);
    // normal fetch
    assertEquals(1, fetcher.sendFetches());
    assertFalse(fetcher.hasCompletedFetches());
    client.prepareResponse(fullFetchResponseWithAbortedTransactions(records, abortedTransactions, Errors.NONE, 100L, 100L, 0));
    consumerClient.poll(time.timer(0));
    assertTrue(fetcher.hasCompletedFetches());
    Map<TopicPartition, List<ConsumerRecord<byte[], byte[]>>> fetchedRecords = fetchedRecords();
    assertTrue(fetchedRecords.containsKey(tp0));
}

Example 8 with Collections.singletonList

use of java.util.Collections.singletonList in project kafka by apache.

the class FetcherTest method testConsumerPositionUpdatedWhenSkippingAbortedTransactions.

@Test
public void testConsumerPositionUpdatedWhenSkippingAbortedTransactions() {
    buildFetcher(OffsetResetStrategy.EARLIEST, new ByteArrayDeserializer(), new ByteArrayDeserializer(), Integer.MAX_VALUE, IsolationLevel.READ_COMMITTED);
    ByteBuffer buffer = ByteBuffer.allocate(1024);
    long currentOffset = 0;
    currentOffset += appendTransactionalRecords(buffer, 1L, currentOffset, new SimpleRecord(time.milliseconds(), "abort1-1".getBytes(), "value".getBytes()), new SimpleRecord(time.milliseconds(), "abort1-2".getBytes(), "value".getBytes()));
    currentOffset += abortTransaction(buffer, 1L, currentOffset);
    buffer.flip();
    List<FetchResponseData.AbortedTransaction> abortedTransactions = Collections.singletonList(new FetchResponseData.AbortedTransaction().setProducerId(1).setFirstOffset(0));
    MemoryRecords records = MemoryRecords.readableRecords(buffer);
    assignFromUser(singleton(tp0));
    subscriptions.seek(tp0, 0);
    // normal fetch
    assertEquals(1, fetcher.sendFetches());
    assertFalse(fetcher.hasCompletedFetches());
    client.prepareResponse(fullFetchResponseWithAbortedTransactions(records, abortedTransactions, Errors.NONE, 100L, 100L, 0));
    consumerClient.poll(time.timer(0));
    assertTrue(fetcher.hasCompletedFetches());
    Map<TopicPartition, List<ConsumerRecord<byte[], byte[]>>> fetchedRecords = fetchedRecords();
    // Ensure that we don't return any of the aborted records, but yet advance the consumer position.
    assertFalse(fetchedRecords.containsKey(tp0));
    assertEquals(currentOffset, subscriptions.position(tp0).offset);
}

Example 9 with Collections.singletonList

use of java.util.Collections.singletonList in project dhis2-core by dhis2.

the class AbstractCrudController method patchObject.

// --------------------------------------------------------------------------
// PATCH
// --------------------------------------------------------------------------
/**
 * Adds support for HTTP Patch using JSON Patch (RFC 6902), updated object
 * is run through normal metadata importer and internally looks like a
 * normal PUT (after the JSON Patch has been applied).
 *
 * For now we only support the official mimetype
 * "application/json-patch+json" but in future releases we might also want
 * to support "application/json" after the old patch behavior has been
 * removed.
 */
@ResponseBody
@PatchMapping(path = "/{uid}", consumes = "application/json-patch+json")
public WebMessage patchObject(@PathVariable("uid") String pvUid, @RequestParam Map<String, String> rpParameters, @CurrentUser User currentUser, HttpServletRequest request) throws Exception {
    WebOptions options = new WebOptions(rpParameters);
    List<T> entities = getEntity(pvUid, options);
    if (entities.isEmpty()) {
        return notFound(getEntityClass(), pvUid);
    }
    final T persistedObject = entities.get(0);
    if (!aclService.canUpdate(currentUser, persistedObject)) {
        throw new UpdateAccessDeniedException("You don't have the proper permissions to update this object.");
    }
    manager.resetNonOwnerProperties(persistedObject);
    prePatchEntity(persistedObject);
    final JsonPatch patch = jsonMapper.readValue(request.getInputStream(), JsonPatch.class);
    final T patchedObject = jsonPatchManager.apply(patch, persistedObject);
    // we don't allow changing IDs
    ((BaseIdentifiableObject) patchedObject).setId(persistedObject.getId());
    // we don't allow changing UIDs
    ((BaseIdentifiableObject) patchedObject).setUid(persistedObject.getUid());
    // Only supports new Sharing format
    ((BaseIdentifiableObject) patchedObject).clearLegacySharingCollections();
    prePatchEntity(persistedObject, patchedObject);
    Map<String, List<String>> parameterValuesMap = contextService.getParameterValuesMap();
    if (!parameterValuesMap.containsKey("importReportMode")) {
        parameterValuesMap.put("importReportMode", Collections.singletonList("ERRORS_NOT_OWNER"));
    }
    MetadataImportParams params = importService.getParamsFromMap(parameterValuesMap);
    params.setUser(currentUser).setImportStrategy(ImportStrategy.UPDATE).addObject(patchedObject);
    ImportReport importReport = importService.importMetadata(params);
    WebMessage webMessage = objectReport(importReport);
    if (importReport.getStatus() == Status.OK) {
        T entity = manager.get(getEntityClass(), pvUid);
        postPatchEntity(entity);
    } else {
        webMessage.setStatus(Status.ERROR);
    }
    return webMessage;
}

Example 10 with Collections.singletonList

use of java.util.Collections.singletonList in project open-kilda by telstra.

the class SwitchManagerTest method mockGetMetersRequest.

private void mockGetMetersRequest(List<Long> meterIds, boolean supportsPkts, long rate, long burstSize) throws Exception {
    List<OFMeterConfig> meterConfigs = new ArrayList<>(meterIds.size());
    for (Long meterId : meterIds) {
        OFMeterBandDrop bandDrop = mock(OFMeterBandDrop.class);
        expect(bandDrop.getRate()).andStubReturn(rate);
        expect(bandDrop.getBurstSize()).andStubReturn(burstSize);
        OFMeterConfig meterConfig = mock(OFMeterConfig.class);
        expect(meterConfig.getEntries()).andStubReturn(Collections.singletonList(bandDrop));
        expect(meterConfig.getMeterId()).andStubReturn(meterId);
        Set<OFMeterFlags> flags = ImmutableSet.of(OFMeterFlags.STATS, OFMeterFlags.BURST, supportsPkts ? OFMeterFlags.PKTPS : OFMeterFlags.KBPS);
        expect(meterConfig.getFlags()).andStubReturn(flags);
        replay(bandDrop, meterConfig);
        meterConfigs.add(meterConfig);
    }
    OFMeterConfigStatsReply statsReply = mock(OFMeterConfigStatsReply.class);
    expect(statsReply.getEntries()).andStubReturn(meterConfigs);
    ListenableFuture<List<OFMeterConfigStatsReply>> ofStatsFuture = mock(ListenableFuture.class);
    expect(ofStatsFuture.get(anyLong(), anyObject())).andStubReturn(Collections.singletonList(statsReply));
    replay(statsReply, ofStatsFuture);
    expect(iofSwitch.writeStatsRequest(isA(OFMeterConfigStatsRequest.class))).andStubReturn(ofStatsFuture);
}