/** 随机得到一个广告 */
@Override
@Cacheable(value = "AdvertisementList")
public List<Advertisement> getOneAdvertisement(String shopName, String type) {
if (log.isDebugEnabled()) {
log.debug("shopName = {},key = {}", shopName, type);
}
List<Advertisement> resunt = null;
List<Advertisement> list =
findByHQL(ConfigCode.getInstance().getCode("ad.getAdvertisementByType"), shopName, type);
if (AppUtils.isNotBlank(list)) {
resunt = new ArrayList<Advertisement>(1);
resunt.add(list.get(CommonServiceUtil.random(list.size())));
}
return resunt;
}
/*
* (non-Javadoc)
*
* @see
* com.legendshop.business.dao.impl.AdvertisementDao#checkMaxNum(java.lang
* .String, java.lang.String)
*/
@Override
public boolean isMaxNum(String userName, String type) {
boolean result = false;
Long num =
findUniqueBy(
ConfigCode.getInstance().getCode("ad.getAdvertisementCount"),
Long.class,
userName,
type);
if (num != null) {
result = num <= maxNumPerType;
}
if (log.isDebugEnabled()) {
log.debug("userName = {},type = {},result = {}", new Object[] {userName, type, result});
}
return result;
}
/** 得到某个页面的广告 */
@Override
@Cacheable(value = "Advertisement", key = "#shopName + #page")
public Map<String, List<Advertisement>> getAdvertisement(
final String shopName, final String page) {
log.debug("getAdvertisement shopName = {}, page = {}", shopName, page);
Map<String, List<Advertisement>> advertisementMap =
new LinkedHashMap<String, List<Advertisement>>();
List<Advertisement> list =
findByHQL(ConfigCode.getInstance().getCode("ad.getAdvertisement"), shopName, page + "%");
for (Advertisement advertisement : list) {
List<Advertisement> ads = advertisementMap.get(advertisement.getType());
if (ads == null) {
ads = new ArrayList<Advertisement>();
}
ads.add(advertisement);
advertisementMap.put(advertisement.getType(), ads);
}
return advertisementMap;
}