Java Code Examples for org.osgi.framework.ServiceEvent#MODIFIED_ENDMATCH

The following examples show how to use org.osgi.framework.ServiceEvent#MODIFIED_ENDMATCH . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ReferenceListener.java    From knopflerfish.org with BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up 
/**
 *
 */
void serviceEvent(ServiceReference<?> s, ServiceEvent se) {
  Filter f = getTargetFilter();
  boolean match = f == null || f.match(s);
  if (match && ReferenceDescription.SCOPE_PROTOTYPE_REQUIRED.equals(ref.getScope())) {
    match = Constants.SCOPE_PROTOTYPE.equals(s.getProperty(Constants.SERVICE_SCOPE));
  }
  int type = se.getType();
  if (!match) {
    if (type != ServiceEvent.UNREGISTERING && serviceRefs.contains(s)) {
      type = ServiceEvent.MODIFIED_ENDMATCH;
    } else {
      return;
    }
  }
  serviceChanged(new RefServiceEvent(type, s, se));
}
Example 2
Source File: ConnectionInformationList.java    From neoscada with Eclipse Public License 1.0 5 votes vote down vote up 
protected synchronized void handleServiceChanged ( final ServiceEvent event )
{
    switch ( event.getType () )
    {
        case ServiceEvent.UNREGISTERING:
        case ServiceEvent.MODIFIED_ENDMATCH:
            removeService ( event.getServiceReference () );
            break;
        case ServiceEvent.REGISTERED:
            addService ( event.getServiceReference () );
            break;
    }
}
Example 3
Source File: ServiceTracker.java    From concierge with Eclipse Public License 1.0 5 votes vote down vote up 
/**
 * {@code ServiceListener} method for the {@code ServiceTracker} class.
 * This method must NOT be synchronized to avoid deadlock potential.
 * 
 * @param event {@code ServiceEvent} object from the framework.
 */
final public void serviceChanged(final ServiceEvent event) {
	/*
	 * Check if we had a delayed call (which could happen when we
	 * close).
	 */
	if (closed) {
		return;
	}
	@SuppressWarnings("unchecked")
	final ServiceReference<S> reference = (ServiceReference<S>) event.getServiceReference();
	if (DEBUG) {
		System.out.println("ServiceTracker.Tracked.serviceChanged[" + event.getType() + "]: " + reference);
	}

	switch (event.getType()) {
		case ServiceEvent.REGISTERED :
		case ServiceEvent.MODIFIED :
			track(reference, event);
			/*
			 * If the customizer throws an unchecked exception, it is
			 * safe to let it propagate
			 */
			break;
		case ServiceEvent.MODIFIED_ENDMATCH :
		case ServiceEvent.UNREGISTERING :
			untrack(reference, event);
			/*
			 * If the customizer throws an unchecked exception, it is
			 * safe to let it propagate
			 */
			break;
	}
}
Example 4
Source File: ServiceTracker.java    From knopflerfish.org with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
/**
 * {@code ServiceListener} method for the {@code ServiceTracker} class.
 * This method must NOT be synchronized to avoid deadlock potential.
 * 
 * @param event {@code ServiceEvent} object from the framework.
 */
final public void serviceChanged(final ServiceEvent event) {
	/*
	 * Check if we had a delayed call (which could happen when we
	 * close).
	 */
	if (closed) {
		return;
	}
	@SuppressWarnings("unchecked")
	final ServiceReference<S> reference = (ServiceReference<S>) event.getServiceReference();
	if (DEBUG) {
		System.out.println("ServiceTracker.Tracked.serviceChanged[" + event.getType() + "]: " + reference);
	}

	switch (event.getType()) {
		case ServiceEvent.REGISTERED :
		case ServiceEvent.MODIFIED :
			track(reference, event);
			/*
			 * If the customizer throws an unchecked exception, it is
			 * safe to let it propagate
			 */
			break;
		case ServiceEvent.MODIFIED_ENDMATCH :
		case ServiceEvent.UNREGISTERING :
			untrack(reference, event);
			/*
			 * If the customizer throws an unchecked exception, it is
			 * safe to let it propagate
			 */
			break;
	}
}
Example 5
Source File: Repositories.java    From knopflerfish.org with BSD 3-Clause "New" or "Revised" License 4 votes vote down vote up 
@Override
public void serviceChanged(ServiceEvent event) {
  @SuppressWarnings("unchecked")
  RepositoryInfo ri = new RepositoryInfo((ServiceReference<Repository>) event.getServiceReference());
  synchronized (this) {
    switch (event.getType()) {
    case ServiceEvent.REGISTERED:
      repos.put(ri, ri);
      break;
    case ServiceEvent.MODIFIED:
      for (Iterator<RepositoryInfo> i = repos.keySet().iterator(); i.hasNext();) {
        RepositoryInfo old = i.next();
        if (old.getId() == ri.getId()) {
          i.remove();
          repos.put(ri, ri);
        }
      }
      break;
    case ServiceEvent.MODIFIED_ENDMATCH:
    case ServiceEvent.UNREGISTERING:
      repos.remove(ri);
      break;      
    }
    changeCount++;
  }
  for (RepositoryListener rl : listeners) {
    switch (event.getType()) {
    case ServiceEvent.REGISTERED:
      rl.addedRepo(ri);
      repos.put(ri, ri);
      break;
    case ServiceEvent.MODIFIED:
      rl.modifiedRepo(ri);
      break;
    case ServiceEvent.MODIFIED_ENDMATCH:
    case ServiceEvent.UNREGISTERING:
      rl.removedRepo(ri);
      break;      
    }
  }
}
Example 6
Source File: ReferenceListener.java    From knopflerfish.org with BSD 3-Clause "New" or "Revised" License 4 votes vote down vote up 
private void serviceChanged(RefServiceEvent se) {
  ref.comp.scr.postponeCheckin();
  try {
    do {
      boolean wasSelected = false;
      int op;
      synchronized (serviceRefs) {
        if (sEventQueue.isEmpty()) {
          if (se == null) {
            return;
          }
        } else {
          if (se != null) {
            sEventQueue.addLast(se);
          }
          se = sEventQueue.removeFirst();
        }
        switch (se.type) {
        case ServiceEvent.MODIFIED:
        case ServiceEvent.REGISTERED:
          op = serviceRefs.add(se.sr) ? ADD_OP : UPDATE_OP;
          break;
        case ServiceEvent.MODIFIED_ENDMATCH:
        case ServiceEvent.UNREGISTERING:
          serviceRefs.remove(se.sr);
          if  (selectedServiceRef == se.sr) {
            wasSelected = true;
          }
          unbinding.add(se.sr);
          op = DELETE_OP;
          break;
        default:
          // To keep compiler happy
          throw new RuntimeException("Internal error");
        }
      }
      switch (op) {
      case ADD_OP:
        if (!ref.refAvailable()) {
          refAdded(se);
        }
        break;
      case DELETE_OP:
        boolean deleted = false;
        if (!ref.refUnavailable()) {
          if (ref.isMultiple() || wasSelected) {
            refDeleted(se);
            deleted = true;
          }
        }
        synchronized (serviceRefs) {
          unbinding.remove(se.sr);
          if (deleted) {
            setSelected(null);
          }
        }
        break;
      case UPDATE_OP:
        refUpdated(se);
        break;
      }
      se = null;
    } while (!sEventQueue.isEmpty());
  } finally {
    ref.comp.scr.postponeCheckout();
  }
}
Example 7
Source File: ContentHandlerWrapper.java    From knopflerfish.org with BSD 3-Clause "New" or "Revised" License 4 votes vote down vote up 
ContentHandlerWrapper(FrameworkContext       framework,
	String                 mimetype) {

  this.framework = framework;
  this.mimetype  = mimetype;

  filter =
    "(&" +
    "(" + Constants.OBJECTCLASS + "=" +
    ContentHandler.class.getName() + ")" +
    "(" + URLConstants.URL_CONTENT_MIMETYPE + "=" + mimetype +
    ")" +
    ")";

  final ServiceListener serviceListener =
    new ServiceListener() {
      public void serviceChanged(ServiceEvent evt) {
        @SuppressWarnings("unchecked")
        final
        ServiceReference<ContentHandler> ref =
            (ServiceReference<ContentHandler>) evt.getServiceReference();

        switch (evt.getType()) {
        case ServiceEvent.MODIFIED:
          // fall through
        case ServiceEvent.REGISTERED:
          if (best == null) {
            updateBest();
            return ;
          }

          if (compare(best, ref) > 0) {
            best = ref;
          }
          break;
        case ServiceEvent.MODIFIED_ENDMATCH:
          // fall through
        case ServiceEvent.UNREGISTERING:
          if (best.equals(ref)) {
            best = null;
          }
        }
      }
    };

  try {
    framework.systemBundle.bundleContext.addServiceListener(serviceListener, filter);

  } catch (final Exception e) {
    throw new IllegalArgumentException("Could not register service listener for content handler: " + e);
  }

  if (framework.debug.url) {
    framework.debug.println("created wrapper for " + mimetype + ", filter=" + filter);
  }
}