org.graylog2.inputs.persistence

Class MongoInputStatusService

java.lang.Object

org.graylog2.inputs.persistence.MongoInputStatusService

All Implemented Interfaces:

InputStatusService

@Singleton
public class MongoInputStatusService
extends Object
implements InputStatusService

This is a simple wrapper around MongoDB to allow storage of state data for stateful Inputs. Inputs using this service are responsible for defining their own model for InputStatusRecord.inputStateData

Field Summary

Fields

Modifier and Type	Field and Description
static String	COLLECTION_NAME

Constructor Summary

Constructors

Constructor and Description
MongoInputStatusService(MongoConnection mongoConnection, MongoJackObjectMapperProvider objectMapperProvider, InputService inputService, com.google.common.eventbus.EventBus eventBus)

Method Summary

Modifier and Type	Method and Description
int	delete(String inputId) Remove the status record for a given Input
Optional<InputStatusRecord>	get(String inputId) Get the saved status record for an Input.
void	handleInputDeleted(InputDeleted event) Clean up MongoDB records when Inputs are deleted At the moment, Graylog uses the InputDeleted event both when an Input is stopped and when it is deleted.
InputStatusRecord	save(InputStatusRecord statusRecord) Save the status record for an Input.

Methods inherited from class java.lang.Object

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

Field Detail

COLLECTION_NAME

public static final String COLLECTION_NAME

See Also:

Constant Field Values

Constructor Detail

MongoInputStatusService

@Inject
public MongoInputStatusService(MongoConnection mongoConnection,
                                       MongoJackObjectMapperProvider objectMapperProvider,
                                       InputService inputService,
                                       com.google.common.eventbus.EventBus eventBus)

Method Detail

get

public Optional<InputStatusRecord> get(String inputId)

Description copied from interface: InputStatusService

Get the saved status record for an Input.

Specified by:

get in interface InputStatusService

Parameters:

inputId - ID of the input whose status you want to get

Returns:

The InputStatusRecord for the given Input ID if it exists; otherwise an empty Optional.

save

public InputStatusRecord save(InputStatusRecord statusRecord)

Description copied from interface: InputStatusService

Save the status record for an Input.

Specified by:

save in interface InputStatusService

Parameters:

statusRecord - The Input status record to save

Returns:

A copy of the saved object

delete

public int delete(String inputId)

Description copied from interface: InputStatusService

Remove the status record for a given Input

Specified by:

delete in interface InputStatusService

Parameters:

inputId - ID of the input whose status you want to delete

Returns:

The count of deleted objects (should be 0 or 1)

handleInputDeleted

public void handleInputDeleted(InputDeleted event)

Clean up MongoDB records when Inputs are deleted At the moment, Graylog uses the InputDeleted event both when an Input is stopped and when it is deleted.

Parameters:

event - ID of the input being deleted