public void decorate()

in core/src/main/java/com/alibaba/smart/framework/engine/smart/ExecutionListener.java [36:82]
32 lines of code
8 McCabe index (conditional complexity)

    public void decorate(ExtensionElements extensionElements, ParseContext context) {
        ListenerAggregation eventListenerAggregation =  (ListenerAggregation)extensionElements.getDecorationMap().get(
            getDecoratorType());

        if(null == eventListenerAggregation){
            eventListenerAggregation = new ListenerAggregation();
            extensionElements.getDecorationMap().put(this.getDecoratorType(),eventListenerAggregation);
        }

        for (String event : events) {

            // 兼容主流
            if( EventConstant.start.name().equals(event)){
                if(context.getParent().getCurrentElement() instanceof ProcessDefinitionSource){

                    event = EventConstant.PROCESS_START.name();
                }else {
                    event = EventConstant.ACTIVITY_START.name();
                }

            }else if (EventConstant.end.name().equals(event)){

                if(context.getParent().getCurrentElement() instanceof ProcessDefinitionSource){
                    event = EventConstant.PROCESS_END.name();
                }else {
                    event = EventConstant.ACTIVITY_END.name();
                }

            }


            Map<String, List<String>> eventListenerMap = eventListenerAggregation.getEventListenerMap();

            List<String> listenerList = eventListenerMap.get(event);

                if(CollectionUtil.isNotEmpty(listenerList)){
                    listenerList.add(this.listenerClass );
                }else{
                    listenerList =CollectionUtil.newArrayList();
                    listenerList.add(this.listenerClass);
                    eventListenerMap.put(event,listenerList);
                }

            }


    }