HandlerDeregistration (Eclipse Ditto :: Java Client 3.5.0 API)

All Known Subinterfaces:

ClaimMessageRegistration, CommonManagement<T,F>, FeatureChangeRegistration, FeatureHandle, FeaturePropertiesChangeRegistration, Live, LiveFeatureHandle, LiveThingHandle, MessageRegistration, ThingAttributeChangeRegistration, ThingChangeRegistration, ThingFeaturePropertiesChangeRegistration, ThingHandle<F>, Twin, TwinFeatureHandle, TwinThingHandle

All Known Implementing Classes:

CommonManagementImpl, FeatureHandleImpl, LiveImpl, LiveThingHandleImpl, ThingHandleImpl, TwinImpl, TwinThingHandleImpl
```
public interface HandlerDeregistration
```
Defines the functionality for unregistering arbitrary handlers, e.g. handlers for receiving messages or changes.

Since:

1.0.0

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`deregister(java.lang.String registrationId)`	Unregisters the handler which has been registered with the given `registrationId`.

- Method Detail
  - deregister
```
boolean deregister(java.lang.String registrationId)
```
    Unregisters the handler which has been registered with the given registrationId.
    
    Parameters:
    
    registrationId - the identifier of the handler to be unregistered.
    
    Returns:
    
    true, if the handler has been unregistered; false, if no handler for the given registrationId exists.
    
    Throws:
    
    java.lang.IllegalArgumentException - if parameter registrationId is null.