org.apache.nifi.provenance

Interface IdentifierLookup

public interface IdentifierLookup

Provides a mechanism for obtaining the identifiers of components, queues, etc.

Field Summary

Fields

Modifier and Type	Field and Description
static IdentifierLookup	EMPTY

Method Summary

Modifier and Type	Method and Description
List<String>	getComponentIdentifiers()
List<String>	getComponentTypes()
List<String>	getQueueIdentifiers()
default Map<String,Integer>	invertComponentIdentifiers()
default Map<String,Integer>	invertComponentTypes()
default Map<String,Integer>	invertList(List<String> values)
default Map<String,Integer>	invertQueueIdentifiers()

Field Detail

EMPTY

static final IdentifierLookup EMPTY

Method Detail

getComponentIdentifiers

List<String> getComponentIdentifiers()

Returns:

the identifiers of components that may generate Provenance Events

getComponentTypes

List<String> getComponentTypes()

Returns:

a list of component types that may generate Provenance Events

getQueueIdentifiers

List<String> getQueueIdentifiers()

Returns:

the identifiers of FlowFile Queues that are in the flow

invertQueueIdentifiers

default Map<String,Integer> invertQueueIdentifiers()

invertComponentTypes

default Map<String,Integer> invertComponentTypes()

invertComponentIdentifiers

default Map<String,Integer> invertComponentIdentifiers()

invertList

default Map<String,Integer> invertList(List<String> values)