import org.opendaylight.yangtools.yang.model.api.SchemaContextListener; //导入依赖的package包/类
@Override
public ListenerRegistration<SchemaContextListener> registerSchemaContextListener(
        final SchemaContextListener listener) {
    synchronized (lock) {
        final ListenerRegistration<SchemaContextListener> reg = schemaService.registerSchemaContextListener(
            listener);

        final ListenerRegistration<SchemaContextListener> ret =
                new AbstractListenerRegistration<SchemaContextListener>(listener) {
            @Override
            protected void removeRegistration() {
                synchronized (lock) {
                    listeners.remove(this);
                }
                reg.close();
            }
        };

        listeners.add(ret);
        return ret;
    }
}
 

import org.opendaylight.yangtools.yang.model.api.SchemaContextListener; //导入依赖的package包/类
@Override
public ListenerRegistration<SchemaContextListener> registerSchemaContextListener(SchemaContextListener listener) {
    ListenerRegistration<SchemaContextListener> registration = getDelegate().registerSchemaContextListener(listener);
    addRegistration(registration);
    return registration;
}
 

import org.opendaylight.yangtools.yang.model.api.SchemaContextListener; //导入依赖的package包/类
@Override
public ListenerRegistration<SchemaContextListener> registerSchemaContextListener(
        final SchemaContextListener listener) {
    return listeners.register(listener);
}
 

import org.opendaylight.yangtools.yang.model.api.SchemaContextListener; //导入依赖的package包/类
public synchronized void changeSchema(final SchemaContext newContext) {
    schemaContext = newContext;
    for (ListenerRegistration<SchemaContextListener> listener : listeners) {
        listener.getInstance().onGlobalContextUpdated(schemaContext);
    }
}
 

import org.opendaylight.yangtools.yang.model.api.SchemaContextListener; //导入依赖的package包/类
/**
 * Registers the given instance with the SchemaService as a SchemaContextListener.
 *
 * @param instance the BindingToNormalizedNodeCodec instance
 * @param schemaService the SchemaService.
 * @return the ListenerRegistration
 */
public static ListenerRegistration<SchemaContextListener> registerInstance(final BindingToNormalizedNodeCodec instance,
        final DOMSchemaService schemaService) {
    return schemaService.registerSchemaContextListener(instance);
}
 

import org.opendaylight.yangtools.yang.model.api.SchemaContextListener; //导入依赖的package包/类
/**
 * Register a listener for changes in schema context.
 *
 * @param listener Listener which should be registered
 * @return Listener registration handle
 */
@Override
ListenerRegistration<SchemaContextListener> registerSchemaContextListener(SchemaContextListener listener);