private String getNamespaceSource() {
		if (StringUtils.isEmpty(properties.getNamespaceSource())) {
			return SchedulerxConstants.NAMESPACE_SOURCE_SPRINGBOOT;
		}
		return properties.getNamespaceSource();
	}
Get namespace source.

@return namespace source
spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-schedulerx/src/main/java/com/alibaba/cloud/scheduling/schedulerx/service/JobSyncService.java