org.qi4j.library.osgi
Class OSGiServiceImporter

java.lang.Object
  org.qi4j.library.osgi.OSGiServiceImporter

All Implemented Interfaces:

ServiceImporter

public class OSGiServiceImporter
extends Object
implements ServiceImporter

Nested Class Summary

static class

OSGiServiceImporter.ServiceTrackerHandler

Constructor Summary

OSGiServiceImporter()

Method Summary

Object	importService(ImportedServiceDescriptor serviceDescriptor) Imports an instance of the service type described in the service descriptor.
boolean	isActive(Object instance) Ask if the underlying service is currently active or not.
boolean	isAvailable(Object instance) Ask if the service is available or not.

Methods inherited from class java.lang.Object

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

Constructor Detail

OSGiServiceImporter

public OSGiServiceImporter()

Method Detail

importService

public Object importService(ImportedServiceDescriptor serviceDescriptor)
                     throws ServiceImporterException

Description copied from interface: ServiceImporter

Imports an instance of the service type described in the service descriptor.

Specified by:

importService in interface ServiceImporter

Parameters:

serviceDescriptor - The service descriptor.

Returns:

The imported service instance.

Throws:

ServiceImporterException - if import failed.

isActive

public boolean isActive(Object instance)

Description copied from interface: ServiceImporter

Ask if the underlying service is currently active or not.

Specified by:

isActive in interface ServiceImporter

Parameters:

instance - the instance to be checked

Returns:

true if the service is active, false if not

isAvailable

public boolean isAvailable(Object instance)

Description copied from interface: ServiceImporter

Ask if the service is available or not.

Specified by:

isAvailable in interface ServiceImporter

Parameters:

instance - the instance to be checked

Returns:

true if the service is available, false if not