refactor:修改获取XxlJob注解方法的方式
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@ -7,14 +7,18 @@ import com.xxl.job.core.handler.IJobHandler;
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import com.xxl.job.core.handler.annotation.JobHandler;
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import com.xxl.job.core.handler.annotation.XxlJob;
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import com.xxl.job.core.handler.impl.MethodJobHandler;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.BeansException;
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import org.springframework.beans.factory.DisposableBean;
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import org.springframework.beans.factory.InitializingBean;
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import org.springframework.context.ApplicationContext;
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import org.springframework.context.ApplicationContextAware;
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import org.springframework.core.annotation.AnnotationUtils;
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import org.springframework.core.MethodIntrospector;
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import org.springframework.core.annotation.AnnotatedElementUtils;
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import java.lang.reflect.Method;
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import java.util.HashMap;
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import java.util.Map;
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/**
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@ -23,6 +27,7 @@ import java.util.Map;
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* @author xuxueli 2018-11-01 09:24:52
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*/
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public class XxlJobSpringExecutor extends XxlJobExecutor implements ApplicationContextAware, InitializingBean, DisposableBean {
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private static final Logger logger = LoggerFactory.getLogger(XxlJobSpringExecutor.class);
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// start
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@ -75,61 +80,75 @@ public class XxlJobSpringExecutor extends XxlJobExecutor implements ApplicationC
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if (applicationContext == null) {
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return;
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}
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// init job handler from method
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String[] beanDefinitionNames = applicationContext.getBeanDefinitionNames();
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for (String beanDefinitionName : beanDefinitionNames) {
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Object bean = applicationContext.getBean(beanDefinitionName);
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Method[] methods = bean.getClass().getDeclaredMethods();
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for (Method method: methods) {
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XxlJob xxlJob = AnnotationUtils.findAnnotation(method, XxlJob.class);
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if (xxlJob != null) {
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// name
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String name = xxlJob.value();
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if (name.trim().length() == 0) {
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throw new RuntimeException("xxl-job method-jobhandler name invalid, for[" + bean.getClass() + "#"+ method.getName() +"] .");
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}
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if (loadJobHandler(name) != null) {
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throw new RuntimeException("xxl-job jobhandler[" + name + "] naming conflicts.");
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}
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// execute method
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if (!(method.getParameterTypes()!=null && method.getParameterTypes().length==1 && method.getParameterTypes()[0].isAssignableFrom(String.class))) {
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throw new RuntimeException("xxl-job method-jobhandler param-classtype invalid, for[" + bean.getClass() + "#"+ method.getName() +"] , " +
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"The correct method format like \" public ReturnT<String> execute(String param) \" .");
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}
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if (!method.getReturnType().isAssignableFrom(ReturnT.class)) {
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throw new RuntimeException("xxl-job method-jobhandler return-classtype invalid, for[" + bean.getClass() + "#"+ method.getName() +"] , " +
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"The correct method format like \" public ReturnT<String> execute(String param) \" .");
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}
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method.setAccessible(true);
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// init and destory
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Method initMethod = null;
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Method destroyMethod = null;
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if(xxlJob.init().trim().length() > 0) {
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try {
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initMethod = bean.getClass().getDeclaredMethod(xxlJob.init());
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initMethod.setAccessible(true);
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} catch (NoSuchMethodException e) {
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throw new RuntimeException("xxl-job method-jobhandler initMethod invalid, for[" + bean.getClass() + "#"+ method.getName() +"] .");
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}
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}
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if(xxlJob.destroy().trim().length() > 0) {
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try {
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destroyMethod = bean.getClass().getDeclaredMethod(xxlJob.destroy());
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destroyMethod.setAccessible(true);
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} catch (NoSuchMethodException e) {
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throw new RuntimeException("xxl-job method-jobhandler destroyMethod invalid, for[" + bean.getClass() + "#"+ method.getName() +"] .");
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}
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}
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// registry jobhandler
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registJobHandler(name, new MethodJobHandler(bean, method, initMethod, destroyMethod));
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Map<Method, XxlJob> annotatedMethods = new HashMap<>();
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try {
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annotatedMethods = MethodIntrospector.selectMethods(bean.getClass(),
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new MethodIntrospector.MetadataLookup<XxlJob>() {
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@Override
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public XxlJob inspect(Method method) {
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return AnnotatedElementUtils.findMergedAnnotation(method, XxlJob.class);
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}
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});
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} catch (Throwable ex) {
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if (logger.isDebugEnabled()) {
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logger.debug("Could not resolve methods for bean with name '" + beanDefinitionName + "'", ex);
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}
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}
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for (Map.Entry<Method, XxlJob> methodXxlJobEntry : annotatedMethods.entrySet()) {
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Method method = methodXxlJobEntry.getKey();
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XxlJob xxlJob = methodXxlJobEntry.getValue();
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if (xxlJob == null) {
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continue;
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}
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String name = xxlJob.value();
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if (name.trim().length() == 0) {
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throw new RuntimeException("xxl-job method-jobhandler name invalid, for[" + bean.getClass() + "#" + method.getName() + "] .");
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}
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if (loadJobHandler(name) != null) {
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throw new RuntimeException("xxl-job jobhandler[" + name + "] naming conflicts.");
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}
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// execute method
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if (!(method.getParameterTypes().length == 1 && method.getParameterTypes()[0].isAssignableFrom(String.class))) {
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throw new RuntimeException("xxl-job method-jobhandler param-classtype invalid, for[" + bean.getClass() + "#" + method.getName() + "] , " +
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"The correct method format like \" public ReturnT<String> execute(String param) \" .");
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}
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if (!method.getReturnType().isAssignableFrom(ReturnT.class)) {
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throw new RuntimeException("xxl-job method-jobhandler return-classtype invalid, for[" + bean.getClass() + "#" + method.getName() + "] , " +
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"The correct method format like \" public ReturnT<String> execute(String param) \" .");
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}
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method.setAccessible(true);
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// init and destory
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Method initMethod = null;
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Method destroyMethod = null;
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if (xxlJob.init().trim().length() > 0) {
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try {
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initMethod = bean.getClass().getDeclaredMethod(xxlJob.init());
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initMethod.setAccessible(true);
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} catch (NoSuchMethodException e) {
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throw new RuntimeException("xxl-job method-jobhandler initMethod invalid, for[" + bean.getClass() + "#" + method.getName() + "] .");
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}
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}
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if (xxlJob.destroy().trim().length() > 0) {
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try {
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destroyMethod = bean.getClass().getDeclaredMethod(xxlJob.destroy());
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destroyMethod.setAccessible(true);
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} catch (NoSuchMethodException e) {
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throw new RuntimeException("xxl-job method-jobhandler destroyMethod invalid, for[" + bean.getClass() + "#" + method.getName() + "] .");
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}
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}
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// registry jobhandler
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registJobHandler(name, new MethodJobHandler(bean, method, initMethod, destroyMethod));
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}
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}
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}
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