io.lambdacube.aspecio.internal.service.ManagedWovenService Maven / Gradle / Ivy

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package io.lambdacube.aspecio.internal.service;

import java.util.Dictionary;
import java.util.Hashtable;

import org.osgi.framework.ServiceRegistration;

import io.lambdacube.aspecio.AspecioConstants;
import io.lambdacube.aspecio.internal.logging.AspecioLogger;
import io.lambdacube.aspecio.internal.logging.AspecioLoggerFactory;


// Owned by AspecioServiceController (i.e, sync is done there)
public final class ManagedWovenService {
    public static final AspecioLogger LOGGER = AspecioLoggerFactory.getLogger(ManagedWovenService.class);

    // can be null if unsatisfied
    public WovenService wovenService;
    public AspectInterceptorContext aspectContext;
    public ServiceRegistration registration;

    public Dictionary getProperties() {
        Hashtable props = new Hashtable<>();
        props.putAll(wovenService.serviceProperties);
        props.put(AspecioConstants._SERVICE_ASPECT_WOVEN, aspectContext.satisfiedAspects.toArray(new String[0]));

        return props;
    }

    public void register() {
        LOGGER.debug("Registering aspect proxy for service {} with aspects {}", wovenService.originalServiceId,
                aspectContext.satisfiedAspects);

        registration = wovenService.originalReference.getBundle().getBundleContext().registerService(
                wovenService.objectClass.toArray(new String[0]), wovenService.aspecioServiceObject.getServiceObjectToRegister(),
                getProperties());
    }

    public void unregister() {
        if (registration == null) {
            return;
        }
        LOGGER.debug("Unregistering aspect proxy for serviceId {}", wovenService.originalServiceId);
        try {
            registration.unregister();
        } catch (IllegalStateException ise) {
            // ignore, can happen if the remote bundle is gone before on some fwks
        } finally {
            registration = null;
        }

    }

}