public void afterPropertiesSet() {
		KnowledgeBuilder kbuilder = KnowledgeBuilderFactory
				.newKnowledgeBuilder();
		for (Resource res : drlResourceList) {
			kbuilder.add(res, ResourceType.DRL);
		}
		if (kbuilder.hasErrors()) {
			throw new RuntimeException(kbuilder.getErrors().toString());
		}
		knowledgeBase = KnowledgeBaseFactory.newKnowledgeBase(knowledgeBaseConfig == null ? KnowledgeBaseFactory
				.newKnowledgeBaseConfiguration() : knowledgeBaseConfig);
		knowledgeBase.addKnowledgePackages(kbuilder.getKnowledgePackages());
}