Examples with ExtensionAdviceWrapContainer com.shulie.instrument.simulator.core.extension.ExtensionAdviceWrapContainer used on opensource projects

Example 1 with ExtensionAdviceWrapContainer

use of com.shulie.instrument.simulator.core.extension.ExtensionAdviceWrapContainer in project LinkAgent by shulieTech.

the class LazyEventListenerProxy method getEventListenerWrapper.

/**
 * 获取事件监听器，会涉及到初始化的动作
 * <p>
 * 非中间件模块使用单实例，不会根据业务类加载器生成多实例
 *
 * @return 返回事件监听器
 */
public EventListenerWrapper getEventListenerWrapper(ClassLoader bizClassLoader) {
    int id = getBizClassLoaderId(bizClassLoader);
    EventListenerWrapper eventListenerWrapper = this.eventListeners.get(id);
    if (eventListenerWrapper != null) {
        return eventListenerWrapper;
    }
    synchronized (this) {
        eventListenerWrapper = this.eventListeners.get(id);
        if (eventListenerWrapper != null) {
            return eventListenerWrapper;
        }
        ClassLoader classLoader = coreModule.getClassLoader(bizClassLoader);
        try {
            Object listener = null;
            if (listeners.getArgs() == null || listeners.getArgs().length == 0) {
                listener = Reflect.on(listeners.getClassName(), classLoader).create().get();
            } else {
                listener = Reflect.on(listeners.getClassName(), classLoader).create(listeners.getArgs()).get();
            }
            /**
             * 设置是否可中断
             */
            if (isInitInterrupt.compareAndSet(false, true)) {
                isInterrupt = ReflectUtils.isInterruptEventHandler(listener);
            }
            if (listener != null) {
                eventListenerWrapper = new EventListenerWrapper();
                try {
                    coreModule.injectResource(listener);
                } catch (ModuleException e) {
                    logger.warn("SIMULATOR: can't inject resource into event listener. by module={} listener:{}", coreModule.getModuleId(), listeners, e);
                }
                if (listener instanceof InitializingBean) {
                    ((InitializingBean) listener).init();
                }
                EventListener eventListener = null;
                if (listener instanceof EventListener) {
                    eventListener = (EventListener) listener;
                    if (listeners.getScopeName() != null && listeners.getEventListenerCallback() != null) {
                        eventListener = listeners.getEventListenerCallback().onCall(eventListener, listeners.getScopeName(), listeners.getExecutionPolicy());
                    }
                    eventListener.setBizClassLoader(bizClassLoader);
                } else if (listener instanceof AdviceListener) {
                    AdviceListener adviceListener = (AdviceListener) listener;
                    adviceListener = new ExtensionAdviceWrapContainer(adviceListener);
                    if (listeners.getScopeName() != null && listeners.getAdviceListenerCallback() != null) {
                        adviceListener = listeners.getAdviceListenerCallback().onCall(adviceListener, listeners.getScopeName(), listeners.getExecutionPolicy());
                    }
                    adviceListener.setBizClassLoader(bizClassLoader);
                    eventListener = new AdviceAdapterListener(adviceListener);
                }
                eventListenerWrapper.setEventListener(eventListener);
                Destroyable destroyable = listener.getClass().getAnnotation(Destroyable.class);
                if (destroyable != null) {
                    Destroyed destroyed = Reflect.on(destroyable.value()).create().get();
                    eventListenerWrapper.setDestroyed(destroyed);
                }
            }
            if (eventListenerWrapper != null) {
                EventListenerWrapper old = this.eventListeners.putIfAbsent(id, eventListenerWrapper);
                if (old != null) {
                    logger.error("SIMULATOR: EventListenerWrapper is exists:{} , {} ", bizClassLoader, old);
                    eventListenerWrapper = old;
                }
            }
        } catch (Throwable e) {
            logger.error("SIMULATOR: event listener onEvent failed, cause by event listener init failed:{}.", listeners.getClassName(), e);
            return null;
        }
    }
    return eventListenerWrapper;
}