Package pl.allegro.tech.hermes.management.domain.topic

Class TopicService

java.lang.Object

pl.allegro.tech.hermes.management.domain.topic.TopicService

@Component
public class TopicService
extends Object

Constructor Summary

Constructors

Constructor

Description

TopicService(MultiDCAwareService multiDCAwareService, pl.allegro.tech.hermes.domain.topic.TopicRepository topicRepository, GroupService groupService, TopicProperties topicProperties, SchemaService schemaService, TopicMetricsRepository metricRepository, TopicBlacklistService topicBlacklistService, TopicValidator topicValidator, TopicContentTypeMigrationService topicContentTypeMigrationService, Clock clock, Auditor auditor, MultiDatacenterRepositoryCommandExecutor multiDcExecutor, RepositoryManager repositoryManager, TopicOwnerCache topicOwnerCache, SubscriptionRemover subscriptionRemover)

Method Summary

Modifier and Type	Method	Description
void	createTopicWithSchema(pl.allegro.tech.hermes.api.TopicWithSchema topicWithSchema, RequestUser createdBy, CreatorRights isAllowedToManage)
String	fetchSingleMessageFromPrimary(String brokersClusterName, pl.allegro.tech.hermes.api.TopicName topicName, Integer partition, Long offset)
List<pl.allegro.tech.hermes.api.Topic>	getAllTopics()
pl.allegro.tech.hermes.api.Topic	getTopicDetails(pl.allegro.tech.hermes.api.TopicName topicName)
pl.allegro.tech.hermes.api.TopicMetrics	getTopicMetrics(pl.allegro.tech.hermes.api.TopicName topicName)
pl.allegro.tech.hermes.api.TopicWithSchema	getTopicWithSchema(pl.allegro.tech.hermes.api.TopicName topicName)
List<String>	listFilteredTopicNames(String groupName, pl.allegro.tech.hermes.api.Query<pl.allegro.tech.hermes.api.Topic> query)
List<String>	listFilteredTopicNames(pl.allegro.tech.hermes.api.Query<pl.allegro.tech.hermes.api.Topic> query)
List<pl.allegro.tech.hermes.api.Topic>	listForOwnerId(pl.allegro.tech.hermes.api.OwnerId ownerId)
List<String>	listQualifiedTopicNames()
List<String>	listQualifiedTopicNames(String groupName)
List<pl.allegro.tech.hermes.api.Topic>	listTopics(String groupName)
List<String>	listTrackedTopicNames()
List<String>	listTrackedTopicNames(String groupName)
Optional<byte[]>	preview(pl.allegro.tech.hermes.api.TopicName topicName, int idx)
List<pl.allegro.tech.hermes.api.MessageTextPreview>	previewText(pl.allegro.tech.hermes.api.TopicName topicName)
List<pl.allegro.tech.hermes.api.Topic>	queryTopic(pl.allegro.tech.hermes.api.Query<pl.allegro.tech.hermes.api.Topic> query)
List<pl.allegro.tech.hermes.api.TopicNameWithMetrics>	queryTopicsMetrics(pl.allegro.tech.hermes.api.Query<pl.allegro.tech.hermes.api.TopicNameWithMetrics> query)
void	removeTopicWithSchema(pl.allegro.tech.hermes.api.Topic topic, RequestUser removedBy)
void	scheduleTouchTopic(pl.allegro.tech.hermes.api.TopicName topicName, RequestUser touchedBy)	Topic is touched so other Hermes instances are notified to read latest topic schema from schema-registry.
void	touchTopic(pl.allegro.tech.hermes.api.TopicName topicName, RequestUser touchedBy)
void	updateTopic(pl.allegro.tech.hermes.api.TopicName topicName, pl.allegro.tech.hermes.api.PatchData patch, RequestUser modifiedBy)
void	updateTopicWithSchema(pl.allegro.tech.hermes.api.TopicName topicName, pl.allegro.tech.hermes.api.PatchData patch, RequestUser modifiedBy)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

TopicService

@Autowired
public TopicService(MultiDCAwareService multiDCAwareService,
 pl.allegro.tech.hermes.domain.topic.TopicRepository topicRepository,
 GroupService groupService,
 TopicProperties topicProperties,
 SchemaService schemaService,
 TopicMetricsRepository metricRepository,
 TopicBlacklistService topicBlacklistService,
 TopicValidator topicValidator,
 TopicContentTypeMigrationService topicContentTypeMigrationService,
 Clock clock,
 Auditor auditor,
 MultiDatacenterRepositoryCommandExecutor multiDcExecutor,
 RepositoryManager repositoryManager,
 TopicOwnerCache topicOwnerCache,
 SubscriptionRemover subscriptionRemover)

Method Details

createTopicWithSchema

public void createTopicWithSchema(pl.allegro.tech.hermes.api.TopicWithSchema topicWithSchema,
 RequestUser createdBy,
 CreatorRights isAllowedToManage)

removeTopicWithSchema

public void removeTopicWithSchema(pl.allegro.tech.hermes.api.Topic topic,
 RequestUser removedBy)

updateTopicWithSchema

public void updateTopicWithSchema(pl.allegro.tech.hermes.api.TopicName topicName,
 pl.allegro.tech.hermes.api.PatchData patch,
 RequestUser modifiedBy)

updateTopic

public void updateTopic(pl.allegro.tech.hermes.api.TopicName topicName,
 pl.allegro.tech.hermes.api.PatchData patch,
 RequestUser modifiedBy)

touchTopic

public void touchTopic(pl.allegro.tech.hermes.api.TopicName topicName,
 RequestUser touchedBy)

scheduleTouchTopic

public void scheduleTouchTopic(pl.allegro.tech.hermes.api.TopicName topicName,
 RequestUser touchedBy)

Topic is touched so other Hermes instances are notified to read latest topic schema from schema-registry. However, schema-registry can be distributed so when schema is written there then it can not be available on all nodes immediately. This is the reason why we delay touch of topic here, to wait until schema is distributed on schema-registry nodes.

listQualifiedTopicNames

public List<String> listQualifiedTopicNames(String groupName)

listQualifiedTopicNames

public List<String> listQualifiedTopicNames()

listTopics

public List<pl.allegro.tech.hermes.api.Topic> listTopics(String groupName)

getTopicDetails

public pl.allegro.tech.hermes.api.Topic getTopicDetails(pl.allegro.tech.hermes.api.TopicName topicName)

getTopicWithSchema

public pl.allegro.tech.hermes.api.TopicWithSchema getTopicWithSchema(pl.allegro.tech.hermes.api.TopicName topicName)

getTopicMetrics

public pl.allegro.tech.hermes.api.TopicMetrics getTopicMetrics(pl.allegro.tech.hermes.api.TopicName topicName)

fetchSingleMessageFromPrimary

public String fetchSingleMessageFromPrimary(String brokersClusterName,
 pl.allegro.tech.hermes.api.TopicName topicName,
 Integer partition,
 Long offset)

listTrackedTopicNames

public List<String> listTrackedTopicNames()

listTrackedTopicNames

public List<String> listTrackedTopicNames(String groupName)

listFilteredTopicNames

public List<String> listFilteredTopicNames(pl.allegro.tech.hermes.api.Query<pl.allegro.tech.hermes.api.Topic> query)

listFilteredTopicNames

public List<String> listFilteredTopicNames(String groupName,
 pl.allegro.tech.hermes.api.Query<pl.allegro.tech.hermes.api.Topic> query)

queryTopic

public List<pl.allegro.tech.hermes.api.Topic> queryTopic(pl.allegro.tech.hermes.api.Query<pl.allegro.tech.hermes.api.Topic> query)

getAllTopics

public List<pl.allegro.tech.hermes.api.Topic> getAllTopics()

preview

public Optional<byte[]> preview(pl.allegro.tech.hermes.api.TopicName topicName,
 int idx)

previewText

public List<pl.allegro.tech.hermes.api.MessageTextPreview> previewText(pl.allegro.tech.hermes.api.TopicName topicName)

queryTopicsMetrics

public List<pl.allegro.tech.hermes.api.TopicNameWithMetrics> queryTopicsMetrics(pl.allegro.tech.hermes.api.Query<pl.allegro.tech.hermes.api.TopicNameWithMetrics> query)

listForOwnerId

public List<pl.allegro.tech.hermes.api.Topic> listForOwnerId(pl.allegro.tech.hermes.api.OwnerId ownerId)