public static synchronized CampaignCache getCache(Date date) throws Exception {
boolean reload = true;
try {
date = DateUtil.trunc(date);
if (cache == null) {
cache = new CampaignCache();
} else if ((cacheDate == null) || !cacheDate.equals(date)) {
cache.clear();
} else {
reload = false;
}
if (reload) {
cache.loadCache();
cacheDate = date;
}
} catch (Exception e) {
cache = null;
cacheDate = null;
throw e;
}
return cache;
}
public static synchronized void clear() throws Exception {
if (cache != null) {
cache.clear();
}
setCacheDate(null);
}
public static synchronized CampaignCache loadCache(Date date) throws Exception {
try {
date = DateUtil.trunc(date);
if (cache != null) {
cache.clear();
} else {
cache = new CampaignCache();
}
cache.loadCache();
cacheDate = date;
} catch (Exception e) {
cache = null;
cacheDate = null;
throw e;
}
return cache;
}