package com.xxl.job.core.executor.impl;

import com.xxl.job.core.executor.XxlJobExecutor;
import com.xxl.job.core.glue.GlueFactory;
import com.xxl.job.core.handler.IJobHandler;
import com.xxl.job.core.handler.annotation.JobHandler;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;

import java.util.Map;

/**
 * xxl-job executor (for spring)
 *
 * @author xuxueli 2018-11-01 09:24:52
 */
public class XxlJobSpringExecutor extends XxlJobExecutor implements ApplicationContextAware, InitializingBean, DisposableBean {


    // start
    @Override
    public void afterPropertiesSet() throws Exception {

        // init JobHandler Repository
        initJobHandlerRepository(applicationContext);

        // refresh GlueFactory
        GlueFactory.refreshInstance(1);


        // super start
        super.start();
    }

    // destroy
    @Override
    public void destroy() {
        super.destroy();
    }


    private void initJobHandlerRepository(ApplicationContext applicationContext){
        if (applicationContext == null) {
            return;
        }

        // init job handler action
        Map<String, Object> serviceBeanMap = applicationContext.getBeansWithAnnotation(JobHandler.class);

        if (serviceBeanMap!=null && serviceBeanMap.size()>0) {
            for (Object serviceBean : serviceBeanMap.values()) {
                if (serviceBean instanceof IJobHandler){
                    String name = serviceBean.getClass().getAnnotation(JobHandler.class).value();
                    IJobHandler handler = (IJobHandler) serviceBean;
                    if (loadJobHandler(name) != null) {
                        throw new RuntimeException("xxl-job jobhandler["+ name +"] naming conflicts.");
                    }
                    registJobHandler(name, handler);
                }
            }
        }
    }

    // ---------------------- applicationContext ----------------------
    private static ApplicationContext applicationContext;
    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        this.applicationContext = applicationContext;
    }
    public static ApplicationContext getApplicationContext() {
        return applicationContext;
    }

}
