org.apache.nifi.cluster.context

Interface ClusterContext

All Superinterfaces:

Serializable

All Known Implementing Classes:

ClusterContextImpl

public interface ClusterContext
extends Serializable

Contains contextual information about clustering that may be serialized between manager and node when communicating over HTTP.

Method Summary

Modifier and Type	Method and Description
List<Action>	getActions() Returns a list of auditable actions.
String	getIdGenerationSeed() Gets an id generation seed.
Revision	getRevision()
boolean	isRequestSentByClusterManager()
void	setRequestSentByClusterManager(boolean flag) Sets the flag to indicate if a request was sent by the cluster manager.
void	setRevision(Revision revision)

Method Detail

getActions

List<Action> getActions()

Returns a list of auditable actions. The list is modifiable and will never be null.

Returns:

a collection of actions

getRevision

Revision getRevision()

setRevision

void setRevision(Revision revision)

isRequestSentByClusterManager

boolean isRequestSentByClusterManager()

Returns:

true if the request was sent by the cluster manager; false otherwise

setRequestSentByClusterManager

void setRequestSentByClusterManager(boolean flag)

Sets the flag to indicate if a request was sent by the cluster manager.

Parameters:

flag - true if the request was sent by the cluster manager; false otherwise

getIdGenerationSeed

String getIdGenerationSeed()

Gets an id generation seed. This is used to ensure that nodes are able to generate the same id across the cluster. This is usually handled by the cluster manager creating the id, however for some actions (snippets, templates, etc) this is not possible.

Returns:

generated id seed