public synchronized Object getTarget() throws IllegalStateException {
if (service == null) {
// The service was released before, try to reaquire it...
LOGGER.debug("Try to reaquire service...");
Object reaquiredService = bundleContext.getService(reference);
if (reaquiredService != null) {
// Successfull reaquired!
LOGGER.debug("reaquire service was successfull");
service = reaquiredService;
} else {
LOGGER.debug(
"reaquire service was not successfull, try to relocate to a different service...");
// Try to find a new one...
ReleasableProxyTarget newProxyTarget = locateProxyTarget();
// If we are here a new ProxyTarget was bound
delegatingProxy = newProxyTarget;
// Fetch the target from the delegate
service = newProxyTarget.getTarget();
}
}
return service;
}
public synchronized ProxyTarget releaseTarget() {
// When releasing, we unget the service so we don't keep stale references...
service = null;
if (delegatingProxy != null) {
// return the delegate proxy for further usage...
return delegatingProxy.releaseTarget();
} else {
try {
bundleContext.ungetService(reference);
} catch (RuntimeException e) {
// Sometimes a RuntimeException might occur here, we catch it to not prevent any other
// cleanup actions
LOGGER.trace("RuntimeException while ungetting service", e);
}
return this;
}
}