org.ops4j.peaberry
Interface ServiceWatcher<S>

All Known Subinterfaces:

CachingServiceRegistry, ServiceRegistry

All Known Implementing Classes:

AbstractServiceRegistry, AbstractWatcher, FilteredServiceWatcher, OSGiServiceRegistry, RegistryChain

public interface ServiceWatcher<S>

A service watcher can receive services provided by other registries.

Since:

1.1

Author:

mcculls@gmail.com (Stuart McCulloch)

Method Summary

<T extends S> Export<T>

add(Import<T> service) Add the given service to this watcher.

Method Detail

add

<T extends S> Export<T> add(Import<T> service)

Add the given service to this watcher.

Parameters:

service - imported service handle

Returns:

exported service handle, null if the watcher is not interested