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How to use seekEvent method of org.cerberus.service.kafka.impl.KafkaService class

Best Cerberus-source code snippet using org.cerberus.service.kafka.impl.KafkaService.seekEvent

Source:KafkaService.java

...142        return result;143    }144    @SuppressWarnings("unchecked")145    @Override146    public AnswerItem<Map<TopicPartition, Long>> seekEvent(String topic, String bootstrapServers,147            List<AppServiceHeader> serviceHeader) throws InterruptedException, ExecutionException {148        MessageEvent message = new MessageEvent(MessageEventEnum.ACTION_SUCCESS_CALLSERVICE_SEARCHKAFKA);149        AnswerItem<Map<TopicPartition, Long>> result = new AnswerItem<>();150        KafkaConsumer consumer = null;151        try {152            Properties props = new Properties();153            serviceHeader.add(factoryAppServiceHeader.create(null, "bootstrap.servers", bootstrapServers, "Y", 0, "", "", null, "", null));154            serviceHeader.add(factoryAppServiceHeader.create(null, "enable.auto.commit", "false", "Y", 0, "", "", null, "", null));155            serviceHeader.add(factoryAppServiceHeader.create(null, "max.poll.records", "10", "Y", 0, "", "", null, "", null));156            serviceHeader.add(factoryAppServiceHeader.create(null, "key.deserializer", "org.apache.kafka.common.serialization.StringDeserializer", "Y", 0, "", "", null, "", null));157            serviceHeader.add(factoryAppServiceHeader.create(null, "value.deserializer", "org.apache.kafka.common.serialization.StringDeserializer", "Y", 0, "", "", null, "", null));158            for (AppServiceHeader object : serviceHeader) {159                if (StringUtil.parseBoolean(object.getActive())) {160                    props.put(object.getKey(), object.getValue());161                }162            }163            LOG.info("Open Consumer : " + getKafkaConsumerKey(topic, bootstrapServers));164            consumer = new KafkaConsumer<>(props);165            //Get a list of the topics' partitions166            List<PartitionInfo> partitionList = consumer.partitionsFor(topic);167            List<TopicPartition> topicPartitionList = partitionList.stream().map(info -> new TopicPartition(topic, info.partition())).collect(Collectors.toList());168            //Assign all the partitions to this consumer169            consumer.assign(topicPartitionList);170            consumer.seekToEnd(topicPartitionList); //default to latest offset for all partitions171            HashMap<TopicPartition, Long> valueResult = new HashMap<>();172            Map<TopicPartition, Long> partitionOffset = consumer.endOffsets(topicPartitionList);173            result.setItem(partitionOffset);174        } catch (Exception ex) {175            message = new MessageEvent(MessageEventEnum.ACTION_FAILED_CALLSERVICE_SEEKKAFKA);176            message.setDescription(message.getDescription().replace("%EX%", ex.toString()).replace("%TOPIC%", topic));177            LOG.debug(ex, ex);178        } finally {179            consumer.close();180            LOG.info("Closed Consumer : " + getKafkaConsumerKey(topic, bootstrapServers));181        }182        result.setResultMessage(message);183        return result;184    }185    @SuppressWarnings("unchecked")186    @Override187    public AnswerItem<String> searchEvent(Map<TopicPartition, Long> mapOffsetPosition, String topic, String bootstrapServers,188            List<AppServiceHeader> serviceHeader, String filterPath, String filterValue, int targetNbEventsInt, int targetNbSecInt) throws InterruptedException, ExecutionException {189        MessageEvent message = new MessageEvent(MessageEventEnum.ACTION_FAILED_CALLSERVICE_SEARCHKAFKA);190        AnswerItem<String> result = new AnswerItem<>();191        AppService serviceREST = factoryAppService.create("", AppService.TYPE_KAFKA, AppService.METHOD_KAFKASEARCH, "", "", "", "", "", "", "", "", "", "", "", "", null, "", null, null);192        Instant date1 = Instant.now();193        JSONArray resultJSON = new JSONArray();194        KafkaConsumer consumer = null;195        int nbFound = 0;196        int nbEvents = 0;197        try {198            Properties props = new Properties();199            serviceHeader.add(factoryAppServiceHeader.create(null, "bootstrap.servers", bootstrapServers, "Y", 0, "", "", null, "", null));200            serviceHeader.add(factoryAppServiceHeader.create(null, "enable.auto.commit", "false", "Y", 0, "", "", null, "", null));201            serviceHeader.add(factoryAppServiceHeader.create(null, "max.poll.records", "10", "Y", 0, "", "", null, "", null));202            serviceHeader.add(factoryAppServiceHeader.create(null, "key.deserializer", "org.apache.kafka.common.serialization.StringDeserializer", "Y", 0, "", "", null, "", null));203            serviceHeader.add(factoryAppServiceHeader.create(null, "value.deserializer", "org.apache.kafka.common.serialization.StringDeserializer", "Y", 0, "", "", null, "", null));204            for (AppServiceHeader object : serviceHeader) {205                if (StringUtil.parseBoolean(object.getActive())) {206                    props.put(object.getKey(), object.getValue());207                }208            }209            LOG.info("Open Consumer : " + getKafkaConsumerKey(topic, bootstrapServers));210            consumer = new KafkaConsumer<>(props);211            //Get a list of the topics' partitions212            List<PartitionInfo> partitionList = consumer.partitionsFor(topic);213            List<TopicPartition> topicPartitionList = partitionList.stream().map(info -> new TopicPartition(topic, info.partition())).collect(Collectors.toList());214            //Assign all the partitions to this consumer215            consumer.assign(topicPartitionList);216            // Setting each partition to correct Offset.217            for (Map.Entry<TopicPartition, Long> entry : mapOffsetPosition.entrySet()) {218                consumer.seek(entry.getKey(), entry.getValue());219                LOG.debug("Partition : " + entry.getKey().partition() + " set to offset : " + entry.getValue());220            }221            boolean consume = true;222            long timeoutTime = Instant.now().plusSeconds(targetNbSecInt).toEpochMilli(); //default to 30 seconds223            int pollDurationSec = 5;224            if (targetNbSecInt < pollDurationSec) {225                pollDurationSec = targetNbSecInt;226            }227            while (consume) {228                LOG.debug("Start Poll.");229                @SuppressWarnings("unchecked")230                ConsumerRecords<String, String> records = consumer.poll(Duration.ofSeconds(pollDurationSec));231                LOG.debug("End Poll.");232                if (Instant.now().toEpochMilli() > timeoutTime) {233                    LOG.debug("Timed out searching for record");234                    consumer.wakeup(); //exit235                }236                //Now for each record in the batch of records we got from Kafka237                for (ConsumerRecord<String, String> record : records) {238                    try {239                        LOG.debug("New record " + record.topic() + " " + record.partition() + " " + record.offset());240                        LOG.debug("  " + record.key() + " | " + record.value());241                        JSONObject recordJSON = new JSONObject(record.value());242                        nbEvents++;243                        boolean match = true;244                        if (!StringUtil.isNullOrEmpty(filterPath)) {245                            String recordJSONfiltered = "";246                            try {247                                recordJSONfiltered = jsonService.getStringFromJson(record.value(), filterPath);248                            } catch (PathNotFoundException ex) {249                                //Catch any exceptions thrown from message processing/testing as they should have already been reported/dealt with250                                //but we don't want to trigger the catch block for Kafka consumption251                                match = false;252                                LOG.debug("Record discarded - Path not found.");253                            } catch (Exception ex) {254                                LOG.error(ex, ex);255                            }256                            LOG.debug("Filtered value : " + recordJSONfiltered);257                            if (!recordJSONfiltered.equals(filterValue)) {258                                match = false;259                                LOG.debug("Record discarded - Value different.");260                            }261                        }262                        if (match) {263                            JSONObject messageJSON = new JSONObject();264                            messageJSON.put("key", record.key());265                            messageJSON.put("value", recordJSON);266                            messageJSON.put("offset", record.offset());267                            messageJSON.put("partition", record.partition());268                            resultJSON.put(messageJSON);269                            nbFound++;270                            if (nbFound >= targetNbEventsInt) {271                                consume = false;  //exit the consume loop272                                consumer.wakeup(); //takes effect on the next poll loop so need to break.273                                break; //if we've found a match, stop looping through the current record batch274                            }275                        }276                    } catch (Exception ex) {277                        //Catch any exceptions thrown from message processing/testing as they should have already been reported/dealt with278                        //but we don't want to trigger the catch block for Kafka consumption279                        LOG.error(ex, ex);280                    }281                }282            }283            result.setItem(resultJSON.toString());284            Instant date2 = Instant.now();285            Duration duration = Duration.between(date1, date2);286            message = new MessageEvent(MessageEventEnum.ACTION_SUCCESS_CALLSERVICE_SEARCHKAFKA)287                    .resolveDescription("NBEVENT", String.valueOf(nbFound))288                    .resolveDescription("NBTOT", String.valueOf(nbEvents))289                    .resolveDescription("NBSEC", String.valueOf(duration.getSeconds()));290        } catch (WakeupException e) {291            result.setItem(resultJSON.toString());292            Instant date2 = Instant.now();293            Duration duration = Duration.between(date1, date2);294            message = new MessageEvent(MessageEventEnum.ACTION_SUCCESS_CALLSERVICE_SEARCHKAFKAPARTIALRESULT)295                    .resolveDescription("NBEVENT", String.valueOf(nbFound))296                    .resolveDescription("NBTOT", String.valueOf(nbEvents))297                    .resolveDescription("NBSEC", String.valueOf(duration.getSeconds()));298            //Ignore299        } catch (Exception ex) {300            message = new MessageEvent(MessageEventEnum.ACTION_FAILED_CALLSERVICE_SEARCHKAFKA);301            message.setDescription(message.getDescription().replace("%EX%", ex.toString()));302            LOG.debug(ex, ex);303        } finally {304            if (consumer != null) {305                LOG.info("Closed Consumer : " + getKafkaConsumerKey(topic, bootstrapServers));306                consumer.close();307            }308        }309        result.setItem(resultJSON.toString());310        message.setDescription(message.getDescription().replace("%SERVICEMETHOD%", AppService.METHOD_KAFKASEARCH).replace("%TOPIC%", topic));311        result.setResultMessage(message);312        return result;313    }314    @Override315    public HashMap<String, Map<TopicPartition, Long>> getAllConsumers(List<TestCaseStep> mainExecutionTestCaseStepList) throws CerberusException, InterruptedException, ExecutionException {316        HashMap<String, Map<TopicPartition, Long>> tempKafka = new HashMap<>();317        AnswerItem<Map<TopicPartition, Long>> resultConsume = new AnswerItem<>();318        for (TestCaseStep testCaseStep : mainExecutionTestCaseStepList) {319            for (TestCaseStepAction testCaseStepAction : testCaseStep.getTestCaseStepAction()) {320                if (testCaseStepAction.getAction().equals(TestCaseStepAction.ACTION_CALLSERVICE)321                        && !testCaseStepAction.getConditionOper().equals(TestCaseStepAction.CONDITIONOPER_NEVER)) {322                    AnswerItem<AppService> localService = appServiceService.readByKeyWithDependency(testCaseStepAction.getValue1(), "Y");323                    if (localService.getItem() != null) {324                        if (localService.getItem().getType().equals(AppService.TYPE_KAFKA) && localService.getItem().getMethod().equals(AppService.METHOD_KAFKASEARCH)) {325                            resultConsume = seekEvent(localService.getItem().getKafkaTopic(), localService.getItem().getServicePath(), localService.getItem().getHeaderList());326                            if (!(resultConsume.isCodeEquals(MessageEventEnum.ACTION_SUCCESS_CALLSERVICE_SEARCHKAFKA.getCode()))) {327                                LOG.debug("TestCase interupted due to error when opening Kafka consume. " + resultConsume.getMessageDescription());328                                throw new CerberusException(new MessageGeneral(MessageGeneralEnum.VALIDATION_FAILED_KAFKACONSUMERSEEK)329                                        .resolveDescription("DETAIL", resultConsume.getMessageDescription()));330                            }331                            tempKafka.put(getKafkaConsumerKey(localService.getItem().getKafkaTopic(), localService.getItem().getServicePath()), resultConsume.getItem());332                        }333                    }334                }335            }336        }337        LOG.debug(tempKafka.size() + " consumers lastest offset retrieved.");338        return tempKafka;339    }...

seekEvent

Using AI Code Generation

1import org.cerberus.service.kafka.impl.KafkaService;2import org.cerberus.service.kafka.impl.KafkaServiceFactory;3import org.cerberus.service.kafka.impl.KafkaTopic;4import org.cerberus.service.kafka.impl.KafkaTopicFactory;5import org.cerberus.util.CerberusException;6import org.cerberus.util.CerberusExceptionFactory;7KafkaService kafkaService = KafkaServiceFactory.create();8KafkaTopic kafkaTopic = KafkaTopicFactory.create("test-topic");9CerberusException cerberusException = CerberusExceptionFactory.create();10kafkaService.seekEvent(kafkaTopic, cerberusException);11if (cerberusException != null) {12    System.out.println(cerberusException.getMessage());13}14if (cerberusException == null) {15    System.out.println("seekEvent method executed successfully");16}17System.out.println(kafkaService);18System.out.println(kafkaTopic);19System.out.println(cerberusException);

seekEvent

Using AI Code Generation

1import org.cerberus.service.kafka.impl.KafkaService2import org.cerberus.service.kafka.impl.KafkaServiceFactory3import org.cerberus.service.kafka.impl.KafkaServiceImpl4import org.cerberus.service.kafka.impl.KafkaServiceFactoryImpl5import org.cerberus.service.kafka.impl.KafkaServiceFactory6import org.cerberus.service.kafka.impl.KafkaServiceImpl7import org.cerberus.service.kafka.impl.KafkaServiceFactoryImpl8import org.cerberus.service.kafka.impl.KafkaServiceFactory9import org.cerberus.service.kafka.impl.KafkaServiceImpl10import org.cerberus.service.kafka.impl.KafkaServiceFactoryImpl11import org.cerberus.service.kafka.impl.KafkaServiceFactory12import org.cerberus.service.kafka.impl.KafkaServiceImpl13import org.cerberus.service.kafka.impl.KafkaServiceFactoryImpl14import org.cerberus.service.kafka.impl.KafkaServiceFactory15import org.cerberus.service.kafka.impl.KafkaServiceImpl16import org.cerberus.service.kafka.impl.KafkaServiceFactoryImpl17import org.cerberus.service.kafka.impl.KafkaServiceFactory18import org.cerberus.service.kafka.impl.KafkaServiceImpl19import org.cerberus.service.kafka.impl.KafkaServiceFactoryImpl20import org.cerberus.service.kafka.impl.KafkaServiceFactory21import org.cerberus.service.kafka.impl.KafkaServiceImpl22import org.cerberus.service.kafka.impl.KafkaServiceFactoryImpl23import org.cerberus.service.kafka.impl.KafkaServiceFactory24import org.cerberus.service.kafka.impl.KafkaServiceImpl25import org.cerberus.service.kafka.impl.KafkaServiceFactoryImpl26import org.cerberus.service.kafka.impl.KafkaServiceFactory27import org.cerberus.service.kafka.impl.KafkaServiceImpl28import org.cerberus.service.kafka.impl.KafkaServiceFactoryImpl29import org.cerberus.service.kafka.impl.KafkaServiceFactory30import org.cerberus.service.kafka.impl.KafkaServiceImpl31import org.cerberus.service.kafka.impl.KafkaServiceFactoryImpl32import org.cerberus.service.kafka.impl.KafkaServiceFactory33import org.cerberus.service.kafka.impl.KafkaServiceImpl34import org.cerberus.service.kafka.impl.KafkaServiceFactoryImpl35import org.cerberus.service.kafka.impl.KafkaServiceFactory36import org.cerberus.service.kafka.impl

seekEvent

Using AI Code Generation

1import org.cerberus.service.kafka.impl.KafkaService;2import org.cerberus.service.kafka.impl.KafkaServiceFactory;3import org.cerberus.util.KafkaUtil;4import java.util.Properties;5public class KafkaSeekEventExample {6    public static void main(String[] args) throws Exception {7        Properties properties = KafkaUtil.loadProperties("kafka.properties");8        KafkaService kafkaService = KafkaServiceFactory.getKafkaService(properties);9        kafkaService.seekEvent("test_topic", 0, 0);10    }11}

seekEvent

Using AI Code Generation

1KafkaService kafkaService = new KafkaService();2KafkaTopic kafkaTopic = new KafkaTopic();3kafkaTopic.setTopic("topicName");4kafkaTopic.setPartition("0");5kafkaTopic.setOffset("0");6kafkaTopic.setTopic("topicName");7kafkaTopic.setPartition("0");8kafkaTopic.setOffset("0");9kafkaTopic.setTopic("topicName");10kafkaTopic.setPartition("0");11kafkaTopic.setOffset("0");12kafkaTopic.setTopic("topicName");13kafkaTopic.setPartition("0");14kafkaTopic.setOffset("0");15kafkaService.addTopic(kafkaTopic);16kafkaService.seekEvent();17kafkaService.seekEvent();18kafkaService.seekEvent();19kafkaService.seekEvent();

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