// Path: nakadi-producer/src/main/java/org/zalando/nakadiproducer/eventlog/impl/EventLog.java
// @ToString
// @Getter
// @Setter
// @NoArgsConstructor
// @AllArgsConstructor
// @Builder(toBuilder = true)
// public class EventLog {
// 
//     private Integer id;
//     private String eventType;
//     private String eventBodyData;
//     private String flowId;
//     private Instant created;
//     private Instant lastModified;
//     private String lockedBy;
//     private Instant lockedUntil;
// 
// }
// 
// Path: nakadi-producer/src/main/java/org/zalando/nakadiproducer/eventlog/impl/EventLogRepository.java
// public interface EventLogRepository {
//     Collection<EventLog> findByLockedByAndLockedUntilGreaterThan(String lockedBy, Instant lockedUntil);
// 
//     void lockSomeMessages(String lockId, Instant now, Instant lockExpires);
// 
//     void delete(EventLog eventLog);
// 
//     void persist(EventLog eventLog);
// 
//     void deleteAll();
// 
//     EventLog findOne(Integer id);
// }
// 
// Path: nakadi-producer/src/main/java/org/zalando/nakadiproducer/transmission/NakadiPublishingClient.java
// public interface NakadiPublishingClient {
//     void publish(String eventType, List<?> nakadiEvents) throws Exception;
// }
// 
// Path: nakadi-producer/src/main/java/org/zalando/nakadiproducer/transmission/impl/EventBatcher.java
// @AllArgsConstructor
// @Getter
// @EqualsAndHashCode
// @ToString
// protected static class BatchItem {
//     EventLog eventLogEntry;
//     NakadiEvent nakadiEvent;
// }


import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
import lombok.extern.slf4j.Slf4j;
import org.zalando.fahrschein.EventPublishingException;
import org.zalando.fahrschein.domain.BatchItemResponse;
import org.zalando.nakadiproducer.eventlog.impl.EventLog;
import org.zalando.nakadiproducer.eventlog.impl.EventLogRepository;
import org.zalando.nakadiproducer.transmission.NakadiPublishingClient;
import org.zalando.nakadiproducer.transmission.impl.EventBatcher.BatchItem;
import javax.transaction.Transactional;
import java.io.IOException;
import java.time.Clock;
import java.time.Instant;
import java.util.Arrays;
import java.util.Collection;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.UUID;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import static java.time.temporal.ChronoUnit.SECONDS;
package org.zalando.nakadiproducer.transmission.impl;





@Slf4j
public class EventTransmissionService {

    private final EventLogRepository eventLogRepository;
    private final NakadiPublishingClient nakadiPublishingClient;
    private final ObjectMapper objectMapper;
    private final int lockDuration;
    private final int lockDurationBuffer;

    private Clock clock = Clock.systemDefaultZone();

    public EventTransmissionService(EventLogRepository eventLogRepository, NakadiPublishingClient nakadiPublishingClient, ObjectMapper objectMapper,
    int lockDuration, int lockDurationBuffer) {
        this.eventLogRepository = eventLogRepository;
        this.nakadiPublishingClient = nakadiPublishingClient;
        this.objectMapper = objectMapper;
        this.lockDuration = lockDuration;
        this.lockDurationBuffer = lockDurationBuffer;
    }

    @Transactional
// Path: nakadi-producer/src/main/java/org/zalando/nakadiproducer/eventlog/impl/EventLog.java
// @ToString
// @Getter
// @Setter
// @NoArgsConstructor
// @AllArgsConstructor
// @Builder(toBuilder = true)
// public class EventLog {
// 
//     private Integer id;
//     private String eventType;
//     private String eventBodyData;
//     private String flowId;
//     private Instant created;
//     private Instant lastModified;
//     private String lockedBy;
//     private Instant lockedUntil;
// 
// }
// 
// Path: nakadi-producer/src/main/java/org/zalando/nakadiproducer/eventlog/impl/EventLogRepository.java
// public interface EventLogRepository {
//     Collection<EventLog> findByLockedByAndLockedUntilGreaterThan(String lockedBy, Instant lockedUntil);
// 
//     void lockSomeMessages(String lockId, Instant now, Instant lockExpires);
// 
//     void delete(EventLog eventLog);
// 
//     void persist(EventLog eventLog);
// 
//     void deleteAll();
// 
//     EventLog findOne(Integer id);
// }
// 
// Path: nakadi-producer/src/main/java/org/zalando/nakadiproducer/transmission/NakadiPublishingClient.java
// public interface NakadiPublishingClient {
//     void publish(String eventType, List<?> nakadiEvents) throws Exception;
// }
// 
// Path: nakadi-producer/src/main/java/org/zalando/nakadiproducer/transmission/impl/EventBatcher.java
// @AllArgsConstructor
// @Getter
// @EqualsAndHashCode
// @ToString
// protected static class BatchItem {
//     EventLog eventLogEntry;
//     NakadiEvent nakadiEvent;
// }


// Path: nakadi-producer/src/main/java/org/zalando/nakadiproducer/transmission/impl/EventTransmissionService.java
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
import lombok.extern.slf4j.Slf4j;
import org.zalando.fahrschein.EventPublishingException;
import org.zalando.fahrschein.domain.BatchItemResponse;
import org.zalando.nakadiproducer.eventlog.impl.EventLog;
import org.zalando.nakadiproducer.eventlog.impl.EventLogRepository;
import org.zalando.nakadiproducer.transmission.NakadiPublishingClient;
import org.zalando.nakadiproducer.transmission.impl.EventBatcher.BatchItem;
import javax.transaction.Transactional;
import java.io.IOException;
import java.time.Clock;
import java.time.Instant;
import java.util.Arrays;
import java.util.Collection;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.UUID;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import static java.time.temporal.ChronoUnit.SECONDS;

package org.zalando.nakadiproducer.transmission.impl;





@Slf4j
public class EventTransmissionService {

    private final EventLogRepository eventLogRepository;
    private final NakadiPublishingClient nakadiPublishingClient;
    private final ObjectMapper objectMapper;
    private final int lockDuration;
    private final int lockDurationBuffer;

    private Clock clock = Clock.systemDefaultZone();

    public EventTransmissionService(EventLogRepository eventLogRepository, NakadiPublishingClient nakadiPublishingClient, ObjectMapper objectMapper,
    int lockDuration, int lockDurationBuffer) {
        this.eventLogRepository = eventLogRepository;
        this.nakadiPublishingClient = nakadiPublishingClient;
        this.objectMapper = objectMapper;
        this.lockDuration = lockDuration;
        this.lockDurationBuffer = lockDurationBuffer;
    }

    @Transactional
    public Collection<EventLog> lockSomeEvents() {