org.apache.nifi.documentation.init

Class EmptyControllerServiceLookup

java.lang.Object

org.apache.nifi.documentation.init.EmptyControllerServiceLookup

All Implemented Interfaces:

ControllerServiceLookup

public class EmptyControllerServiceLookup
extends Object
implements ControllerServiceLookup

Constructor Summary

Constructors

Constructor and Description
EmptyControllerServiceLookup()

Method Summary

Modifier and Type	Method and Description
ControllerService	getControllerService(String serviceIdentifier)
Set<String>	getControllerServiceIdentifiers(Class<? extends ControllerService> serviceType)
String	getControllerServiceName(String serviceIdentifier)
boolean	isControllerServiceEnabled(ControllerService service)
boolean	isControllerServiceEnabled(String serviceIdentifier)
boolean	isControllerServiceEnabling(String serviceIdentifier)

Methods inherited from class java.lang.Object

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

Constructor Detail

EmptyControllerServiceLookup

public EmptyControllerServiceLookup()

Method Detail

getControllerService

public ControllerService getControllerService(String serviceIdentifier)

Specified by:

getControllerService in interface ControllerServiceLookup

Parameters:

serviceIdentifier - of controller service

Returns:

the ControllerService that is registered with the given identifier

isControllerServiceEnabled

public boolean isControllerServiceEnabled(String serviceIdentifier)

Specified by:

isControllerServiceEnabled in interface ControllerServiceLookup

Parameters:

serviceIdentifier - identifier of service to check

Returns:

true if the Controller Service with the given identifier is enabled, false otherwise. If the given identifier is not known by this ControllerServiceLookup, returns false

isControllerServiceEnabling

public boolean isControllerServiceEnabling(String serviceIdentifier)

Specified by:

isControllerServiceEnabling in interface ControllerServiceLookup

Parameters:

serviceIdentifier - identifier of service to check

Returns:

true if the Controller Service with the given identifier has been enabled but is still in the transitioning state, otherwise returns false. If the given identifier is not known by this ControllerServiceLookup, returns false

isControllerServiceEnabled

public boolean isControllerServiceEnabled(ControllerService service)

Specified by:

isControllerServiceEnabled in interface ControllerServiceLookup

Parameters:

service - service to check

Returns:

true if the given Controller Service is enabled, false otherwise. If the given Controller Service is not known by this ControllerServiceLookup, returns false

getControllerServiceIdentifiers

public Set<String> getControllerServiceIdentifiers(Class<? extends ControllerService> serviceType)
                                            throws IllegalArgumentException

Specified by:

getControllerServiceIdentifiers in interface ControllerServiceLookup

Parameters:

serviceType - type of service to get identifiers for

Returns:

the set of all Controller Service Identifiers whose Controller Service is of the given type.

Throws:

IllegalArgumentException - if the given class is not an interface

getControllerServiceName

public String getControllerServiceName(String serviceIdentifier)

Specified by:

getControllerServiceName in interface ControllerServiceLookup

Parameters:

serviceIdentifier - identifier to look up

Returns:

the name of the Controller service with the given identifier. If no service can be found with this identifier, returns null