org.apache.polygene.api.service

Interface ServiceImporter<T>

All Known Subinterfaces:

DBCPDataSourceServiceImporter

All Known Implementing Classes:

AbstractDataSourceServiceImporterMixin, BoneCPDataSourceServiceImporter.Mixin, DBCPDataSourceServiceImporter.Mixin, InstanceImporter, MBeanServerImporter, NewObjectImporter, OSGiServiceImporter, ServiceInstanceImporter, ServiceSelectorImporter, SpringImporter

public interface ServiceImporter<T>

Import a service from some external source.

Method Summary

Modifier and Type	Method and Description
T	importService(ImportedServiceDescriptor serviceDescriptor) Imports an instance of the service type described in the service descriptor.
boolean	isAvailable(T instance) Ask if the service is available or not.

Method Detail

importService

T importService(ImportedServiceDescriptor serviceDescriptor)
         throws ServiceImporterException

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

Parameters:

serviceDescriptor - The service descriptor.

Returns:

The imported service instance.

Throws:

ServiceImporterException - if import failed.

isAvailable

boolean isAvailable(T instance)

Ask if the service is available or not.

Parameters:

instance - the instance to be checked

Returns:

true if the service is available, false if not