Interface RegisterableService

All Known Implementing Classes:: IIOServiceProvider, ImageInputStreamSpi, ImageOutputStreamSpi, ImageReaderSpi, ImageReaderWriterSpi, ImageTranscoderSpi, ImageWriterSpi

public interface RegisterableService

An optional interface that may be provided by service provider objects that will be registered with a ServiceRegistry. If this interface is present, notification of registration and deregistration will be performed.

See Also:

Method Summary

Modifier and Type	Method	Description
`void`	`onDeregistration(ServiceRegistry registry, Class<?> category)`	Called when an object implementing this interface is removed from the given `category` of the given `registry`.
`void`	`onRegistration(ServiceRegistry registry, Class<?> category)`	Called when an object implementing this interface is added to the given `category` of the given `registry`.

Method Details

onRegistration

void onRegistration(ServiceRegistry registry, Class<?> category)

Called when an object implementing this interface is added to the given category of the given registry. The object may already be registered under another category or categories.

Parameters:: registry - a ServiceRegistry where this object has been registered.; category - a Class object indicating the registry category under which this object has been registered.

onDeregistration

void onDeregistration(ServiceRegistry registry, Class<?> category)

Called when an object implementing this interface is removed from the given category of the given registry. The object may still be registered under another category or categories.

Parameters:: registry - a ServiceRegistry from which this object is being (wholly or partially) deregistered.; category - a Class object indicating the registry category from which this object is being deregistered.

© 1993, 2025, Oracle and/or its affiliates. All rights reserved.
Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Various third party code in OpenJDK is licensed under different licenses (see Debian package).
Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
https://docs.oracle.com/en/java/javase/25/docs/api/java.desktop/javax/imageio/spi/RegisterableService.html