public QueueEntry addEntry(
ProcessingQueue queue, String targetClass, String targetMethod, String arguments) {
QueueEntry entry = QueueEntry.newQueueEntry(queue, targetClass, targetMethod, arguments);
entryDao.save(entry);
return entry;
}
public QueueEntry addEntry(
String queueName, String targetClass, String targetMethod, String arguments) {
ProcessingQueue queue = getOrCreateQueue(queueName);
QueueEntry entry = QueueEntry.newQueueEntry(queue, targetClass, targetMethod, arguments);
entryDao.save(entry);
return entry;
}
@Transactional(propagation = Propagation.NOT_SUPPORTED)
public void processQueue(ProcessingQueue queue) throws BaseException {
List<QueueEntry> entries =
getEntriesByEntryState(queue, Constants.QueueConstants.ENTRY_STATE_READY);
for (QueueEntry entry : entries) {
logger.info("processing entry:" + entry);
String targetClass = entry.getTargetClass();
String targetMethod = entry.getTargetMethod();
String arguments = entry.getArguments();
try {
Class<?> clazz = Class.forName(targetClass);
Class<?>[] interfaces = clazz.getInterfaces();
Class<?> beanType = null;
for (Class<?> itf : interfaces) {
Method tempMethod = clazz.getMethod(targetMethod, String.class);
if (tempMethod != null) { // 这里应该找到直接接口
beanType = itf;
break;
}
}
Object invokeTester =
SpringContextUtil.getBean(beanType); // 只能从spring容器获取实例，否则自动装配的bean不会实例化
Method method = clazz.getMethod(targetMethod, String.class);
method.invoke(invokeTester, arguments);
// Method method =
// ReflectionUtils.findMethod(clazz,targetMethod,String.class);
// ReflectionUtils.invokeMethod(method,invokeTester, arguments);
} catch (Exception e) {
e.printStackTrace();
throw new BaseException(e);
}
entry.setEntryState(Constants.QueueConstants.ENTRY_STATE_CLOSED);
updateEntry(entry);
Integer interval = queue.getExecuteInterval();
try {
logger.info("sleep period:" + interval);
Thread.sleep(interval);
} catch (InterruptedException e) {
throw new BaseException(e);
}
}
}
public void updateEntry(QueueEntry entry) {
Boolean delete = entry.getDeleteWhenExecuted();
if (delete) {
logger.info("deleting entry:" + entry);
entryDao.delete(entry);
} else {
entryDao.save(entry);
logger.info("update entry:" + entry);
}
}