private JavaBeanSetterInfo getSetterInfo() {

        JavaBeanSetterInfo setterInfo = cache.get(clazz);
        if (setterInfo != null) {
            return setterInfo;
        }
        setterInfo = new JavaBeanSetterInfo(clazz);

        cache.putIfAbsent(clazz, setterInfo);

        return setterInfo;
    }
@author Robert HG (254963746@qq.com) on 12/30/15.
lts-core/src/main/java/com/github/ltsopensource/json/deserializer/JavaBeanDeserializer.java