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Merge pull request #1383 from LiZhenNet/master 

refactor:修改获取XxlJob注解方法的方式
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许雪里 2020-03-27 12:18:19 +08:00 committed by GitHub
parent b788082593 d0f5c1f6ee
commit 5f6eee85f8
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1 changed files with 71 additions and 50 deletions
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59
xxl-job-core/src/main/java/com/xxl/job/core/executor/impl/XxlJobSpringExecutor.java
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@ -5,21 +5,29 @@ import com.xxl.job.core.executor.XxlJobExecutor;
import com.xxl.job.core.glue.GlueFactory;
import com.xxl.job.core.handler.annotation.XxlJob;
import com.xxl.job.core.handler.impl.MethodJobHandler;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
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 org.springframework.core.annotation.AnnotationUtils;
import org.springframework.core.MethodIntrospector;
import org.springframework.core.annotation.AnnotatedElementUtils;
import java.lang.reflect.Method;
import java.util.HashMap;
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 {
private static final Logger logger = LoggerFactory.getLogger(XxlJobSpringExecutor.class);
// start
@ -72,33 +80,48 @@ public class XxlJobSpringExecutor extends XxlJobExecutor implements ApplicationC
if (applicationContext == null) {
return;
}
// init job handler from method
String[] beanDefinitionNames = applicationContext.getBeanDefinitionNames();
if (beanDefinitionNames!=null && beanDefinitionNames.length>0) {
String[] beanDefinitionNames = applicationContext.getBeanNamesForType(Object.class, false, true);
for (String beanDefinitionName : beanDefinitionNames) {
Object bean = applicationContext.getBean(beanDefinitionName);
Method[] methods = bean.getClass().getDeclaredMethods();
for (Method method: methods) {
XxlJob xxlJob = AnnotationUtils.findAnnotation(method, XxlJob.class);
if (xxlJob != null) {
// name
Map<Method, XxlJob> annotatedMethods = new HashMap<>();
try {
annotatedMethods = MethodIntrospector.selectMethods(bean.getClass(),
new MethodIntrospector.MetadataLookup<XxlJob>() {
@Override
public XxlJob inspect(Method method) {
return AnnotatedElementUtils.findMergedAnnotation(method, XxlJob.class);
}
});
} catch (Throwable ex) {
if (logger.isDebugEnabled()) {
logger.debug("Could not resolve methods for bean with name '" + beanDefinitionName + "'", ex);
}
}
for (Map.Entry<Method, XxlJob> methodXxlJobEntry : annotatedMethods.entrySet()) {
Method method = methodXxlJobEntry.getKey();
XxlJob xxlJob = methodXxlJobEntry.getValue();
if (xxlJob == null) {
continue;
}
String name = xxlJob.value();
if (name.trim().length() == 0) {
throw new RuntimeException("xxl-job method-jobhandler name invalid, for[" + bean.getClass() + "#"+ method.getName() +"] .");
throw new RuntimeException("xxl-job method-jobhandler name invalid, for[" + bean.getClass() + "#" + method.getName() + "] .");
}
if (loadJobHandler(name) != null) {
throw new RuntimeException("xxl-job jobhandler[" + name + "] naming conflicts.");
}
// execute method
if (!(method.getParameterTypes()!=null && method.getParameterTypes().length==1 && method.getParameterTypes()[0].isAssignableFrom(String.class))) {
throw new RuntimeException("xxl-job method-jobhandler param-classtype invalid, for[" + bean.getClass() + "#"+ method.getName() +"] , " +
if (!(method.getParameterTypes().length == 1 && method.getParameterTypes()[0].isAssignableFrom(String.class))) {
throw new RuntimeException("xxl-job method-jobhandler param-classtype invalid, for[" + bean.getClass() + "#" + method.getName() + "] , " +
"The correct method format like \" public ReturnT<String> execute(String param) \" .");
}
if (!method.getReturnType().isAssignableFrom(ReturnT.class)) {
throw new RuntimeException("xxl-job method-jobhandler return-classtype invalid, for[" + bean.getClass() + "#"+ method.getName() +"] , " +
throw new RuntimeException("xxl-job method-jobhandler return-classtype invalid, for[" + bean.getClass() + "#" + method.getName() + "] , " +
"The correct method format like \" public ReturnT<String> execute(String param) \" .");
}
method.setAccessible(true);
@ -107,20 +130,20 @@ public class XxlJobSpringExecutor extends XxlJobExecutor implements ApplicationC
Method initMethod = null;
Method destroyMethod = null;
if(xxlJob.init().trim().length() > 0) {
if (xxlJob.init().trim().length() > 0) {
try {
initMethod = bean.getClass().getDeclaredMethod(xxlJob.init());
initMethod.setAccessible(true);
} catch (NoSuchMethodException e) {
throw new RuntimeException("xxl-job method-jobhandler initMethod invalid, for[" + bean.getClass() + "#"+ method.getName() +"] .");
throw new RuntimeException("xxl-job method-jobhandler initMethod invalid, for[" + bean.getClass() + "#" + method.getName() + "] .");
}
}
if(xxlJob.destroy().trim().length() > 0) {
if (xxlJob.destroy().trim().length() > 0) {
try {
destroyMethod = bean.getClass().getDeclaredMethod(xxlJob.destroy());
destroyMethod.setAccessible(true);
} catch (NoSuchMethodException e) {
throw new RuntimeException("xxl-job method-jobhandler destroyMethod invalid, for[" + bean.getClass() + "#"+ method.getName() +"] .");
throw new RuntimeException("xxl-job method-jobhandler destroyMethod invalid, for[" + bean.getClass() + "#" + method.getName() + "] .");
}
}
@ -128,8 +151,6 @@ public class XxlJobSpringExecutor extends XxlJobExecutor implements ApplicationC
registJobHandler(name, new MethodJobHandler(bean, method, initMethod, destroyMethod));
}
}
}
}
}