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zhaoxiaohao

2020-10-30 2e109492d152e08bfca445b54f15c91a2334f21c

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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.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 {
 
 
    @Override
    public void start() throws Exception {
 
        // init JobHandler Repository
        initJobHandlerRepository(applicationContext);
 
        // refresh GlueFactory
        GlueFactory.refreshInstance(1);
 
 
        // super start
        super.start();
    }
 
    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 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;
    }
 
}