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package javax.imageio.spi;


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:
  • ServiceRegistry
/**
 * An optional interface that may be provided by service provider
 * objects that will be registered with a
 * <code>ServiceRegistry</code>.  If this interface is present,
 * notification of registration and deregistration will be performed.
 *
 * @see ServiceRegistry
 *
 */
public interface RegisterableService {

    
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.

Params:
  • registry – a ServiceRegistry where this
object has been registered.
  • category – a Class object indicating the
registry category under which this object has been registered.
/**
     * Called when an object implementing this interface is added to
     * the given <code>category</code> of the given
     * <code>registry</code>.  The object may already be registered
     * under another category or categories.
     *
     * @param registry a <code>ServiceRegistry</code> where this
     * object has been registered.
     * @param category a <code>Class</code> object indicating the
     * registry category under which this object has been registered.
     */
    void onRegistration(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.

Params:
  • 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.
/**
     * Called when an object implementing this interface is removed
     * from the given <code>category</code> of the given
     * <code>registry</code>.  The object may still be registered
     * under another category or categories.
     *
     * @param registry a <code>ServiceRegistry</code> from which this
     * object is being (wholly or partially) deregistered.
     * @param category a <code>Class</code> object indicating the
     * registry category from which this object is being deregistered.
     */
    void onDeregistration(ServiceRegistry registry, Class<?> category);
}