org.graylog.events.processor

Class DBEventProcessorStateService

java.lang.Object

org.graylog.events.processor.DBEventProcessorStateService

public class DBEventProcessorStateService
extends Object

Manages database state for EventProcessors.

Constructor Summary

Constructors

Constructor and Description
DBEventProcessorStateService(MongoConnection mongoConnection, MongoJackObjectMapperProvider mapper)

Method Summary

Modifier and Type	Method and Description
int	deleteByEventDefinitionId(String id) Delete state objects for the given event definition ID.
com.google.common.collect.ImmutableSet<EventProcessorStateDto>	findByEventDefinitionsAndMaxTimestamp(Set<String> eventDefinitionIds, org.joda.time.DateTime maxTimestamp) Returns a set of event processor state objects where the event definition ID matches one of the ones in the given set of IDs and the maximum processed timestamp is greater or equals the given timestamp.
Optional<EventProcessorStateDto>	setState(EventProcessorStateDto dto) Creates a new or updates an existing event processor state record for the values in the given DTO.
Optional<EventProcessorStateDto>	setState(String eventDefinitionId, org.joda.time.DateTime minProcessedTimestamp, org.joda.time.DateTime maxProcessedTimestamp) Creates a new or updates an existing event processor state record for the given values.

Methods inherited from class java.lang.Object

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

Constructor Detail

DBEventProcessorStateService

@Inject
public DBEventProcessorStateService(MongoConnection mongoConnection,
                                            MongoJackObjectMapperProvider mapper)

Method Detail

findByEventDefinitionsAndMaxTimestamp

public com.google.common.collect.ImmutableSet<EventProcessorStateDto> findByEventDefinitionsAndMaxTimestamp(Set<String> eventDefinitionIds,
                                                                                                            org.joda.time.DateTime maxTimestamp)

Returns a set of event processor state objects where the event definition ID matches one of the ones in the given set of IDs and the maximum processed timestamp is greater or equals the given timestamp.

Parameters:

eventDefinitionIds - set of event definition IDs

maxTimestamp - the threshold for the maximum processed timestamp

Returns:

set of state objects or empty set when no object matches

setState

public Optional<EventProcessorStateDto> setState(EventProcessorStateDto dto)

Creates a new or updates an existing event processor state record for the values in the given DTO.

Parameters:

dto - state DTO

Returns:

the created or updated record

setState

public Optional<EventProcessorStateDto> setState(String eventDefinitionId,
                                                 org.joda.time.DateTime minProcessedTimestamp,
                                                 org.joda.time.DateTime maxProcessedTimestamp)

Creates a new or updates an existing event processor state record for the given values.

Parameters:

eventDefinitionId - the related event definition ID

maxProcessedTimestamp - the maximum processed timestamp

Returns:

the created or updated record

deleteByEventDefinitionId

public int deleteByEventDefinitionId(String id)

Delete state objects for the given event definition ID.

Parameters:

id - the object ID to delete

Returns:

the number of objects that have been deleted