Examples with ReferenceListener org.osgi.service.blueprint.reflect.ReferenceListener used on opensource projects

Example 1 with ReferenceListener

use of org.osgi.service.blueprint.reflect.ReferenceListener in project aries by apache.

the class ServiceReferenceMetadataImpl method addServiceListener.

public ReferenceListener addServiceListener(Target listenerComponent, String bindMethodName, String unbindMethodName) {
    ReferenceListener listener = new ReferenceListenerImpl(listenerComponent, bindMethodName, unbindMethodName);
    addServiceListener(listener);
    return listener;
}

Example 2 with ReferenceListener

use of org.osgi.service.blueprint.reflect.ReferenceListener in project aries by apache.

the class BlueprintContainerImpl method getMetadata.

private <T extends ComponentMetadata> void getMetadata(Class<T> clazz, Metadata component, Collection<T> metadatas) {
    if (component == null) {
        return;
    }
    if (clazz.isInstance(component)) {
        metadatas.add(clazz.cast(component));
    }
    if (component instanceof BeanMetadata) {
        getMetadata(clazz, ((BeanMetadata) component).getFactoryComponent(), metadatas);
        for (BeanArgument arg : ((BeanMetadata) component).getArguments()) {
            getMetadata(clazz, arg.getValue(), metadatas);
        }
        for (BeanProperty prop : ((BeanMetadata) component).getProperties()) {
            getMetadata(clazz, prop.getValue(), metadatas);
        }
    }
    if (component instanceof CollectionMetadata) {
        for (Metadata m : ((CollectionMetadata) component).getValues()) {
            getMetadata(clazz, m, metadatas);
        }
    }
    if (component instanceof MapMetadata) {
        for (MapEntry m : ((MapMetadata) component).getEntries()) {
            getMetadata(clazz, m.getKey(), metadatas);
            getMetadata(clazz, m.getValue(), metadatas);
        }
    }
    if (component instanceof PropsMetadata) {
        for (MapEntry m : ((PropsMetadata) component).getEntries()) {
            getMetadata(clazz, m.getKey(), metadatas);
            getMetadata(clazz, m.getValue(), metadatas);
        }
    }
    if (component instanceof ServiceReferenceMetadata) {
        for (ReferenceListener l : ((ServiceReferenceMetadata) component).getReferenceListeners()) {
            getMetadata(clazz, l.getListenerComponent(), metadatas);
        }
    }
    if (component instanceof ServiceMetadata) {
        getMetadata(clazz, ((ServiceMetadata) component).getServiceComponent(), metadatas);
        for (MapEntry m : ((ServiceMetadata) component).getServiceProperties()) {
            getMetadata(clazz, m.getKey(), metadatas);
            getMetadata(clazz, m.getValue(), metadatas);
        }
        for (RegistrationListener l : ((ServiceMetadata) component).getRegistrationListeners()) {
            getMetadata(clazz, l.getListenerComponent(), metadatas);
        }
    }
}

Example 3 with ReferenceListener

use of org.osgi.service.blueprint.reflect.ReferenceListener in project aries by apache.

the class RecipeBuilder method createReferenceListRecipe.

private Recipe createReferenceListRecipe(ReferenceListMetadata metadata) {
    ValueRecipe filterRecipe = null;
    if (metadata instanceof ExtendedReferenceMetadata) {
        ValueMetadata filterMetadata = ((ExtendedServiceReferenceMetadata) metadata).getExtendedFilter();
        if (filterMetadata != null) {
            filterRecipe = (ValueRecipe) getValue(filterMetadata, null);
        }
    }
    CollectionRecipe listenersRecipe = null;
    if (metadata.getReferenceListeners() != null) {
        listenersRecipe = new CollectionRecipe(getName(null), ArrayList.class, Object.class.getName());
        for (ReferenceListener listener : metadata.getReferenceListeners()) {
            listenersRecipe.add(createRecipe(listener));
        }
    }
    ReferenceListRecipe recipe = new ReferenceListRecipe(getName(metadata.getId()), blueprintContainer, metadata, filterRecipe, listenersRecipe, getDependencies(metadata));
    return recipe;
}

Example 4 with ReferenceListener

use of org.osgi.service.blueprint.reflect.ReferenceListener in project aries by apache.

the class AbstractPropertyPlaceholder method processServiceReferenceMetadata.

private Metadata processServiceReferenceMetadata(ServiceReferenceMetadata component) {
    if (component instanceof MutableServiceReferenceMetadata) {
        ValueMetadata valueMetadata = ((MutableServiceReferenceMetadata) component).getExtendedFilter();
        if (valueMetadata != null) {
            ((MutableServiceReferenceMetadata) component).setExtendedFilter(doProcessValueMetadata(valueMetadata));
        }
    }
    for (ReferenceListener listener : component.getReferenceListeners()) {
        Target listenerComponent = listener.getListenerComponent();
        try {
            processingStack.add("Reference Listener " + listenerComponent + "->");
            if (listener instanceof MutableReferenceListener) {
                ((MutableReferenceListener) listener).setListenerComponent((Target) processMetadata(listenerComponent));
            } else {
                //Say that we can't change this listener, but continue processing
                //If the value is mutable then we may be ok!
                printWarning(listener, "Reference Binding Listener");
                processMetadata(listenerComponent);
            }
        } finally {
            processingStack.removeLast();
        }
    }
    return component;
}

Example 5 with ReferenceListener

use of org.osgi.service.blueprint.reflect.ReferenceListener in project aries by apache.

the class AbstractParserProxy method traverseComponent.

/**
 * Traverse {@link ComponentMetadata} instances to find all nested {@link ComponentMetadata} instances
 * @param component
 * @param output
 */
private void traverseComponent(ComponentMetadata component, Set<ComponentMetadata> output) {
    if (!!!output.add(component))
        return;
    if (component instanceof BeanMetadata) {
        BeanMetadata bean = (BeanMetadata) component;
        traverse(bean.getFactoryComponent(), output);
        for (BeanArgument argument : bean.getArguments()) {
            traverse(argument.getValue(), output);
        }
        for (BeanProperty property : bean.getProperties()) {
            traverse(property.getValue(), output);
        }
    } else if (component instanceof ServiceMetadata) {
        ServiceMetadata service = (ServiceMetadata) component;
        traverse(service.getServiceComponent(), output);
        for (RegistrationListener listener : service.getRegistrationListeners()) {
            traverse(listener.getListenerComponent(), output);
        }
        for (MapEntry e : service.getServiceProperties()) {
            traverse(e.getKey(), output);
            traverse(e.getValue(), output);
        }
    } else if (component instanceof ServiceReferenceMetadata) {
        ServiceReferenceMetadata reference = (ServiceReferenceMetadata) component;
        for (ReferenceListener listener : reference.getReferenceListeners()) {
            traverse(listener.getListenerComponent(), output);
        }
    }
}