public T GetOrSet(string key, CacheSetter <T> setter)
{
if (items.ContainsKey(key))
{
return(Get(key));
}
return(Set(key, setter()));
}
public static IList <T> BulkGetByGuidIdWithLocalCache <T>(IEnumerable <Guid> idList, Func <IEnumerable <Guid>, IList <T> > realGetter, Func <T, Guid> keyPropertyGetter = null)
{
CacheSetter cacheSetter = (k, o) => Cache.SetLocalCache(k, o);
if (keyPropertyGetter == null)
{
keyPropertyGetter = obj => (Guid)Invoker.PropertyGet(obj, "Id");
}
return(BulkGetWithCache <T, Guid>(idList, realGetter, keyPropertyGetter, GetFromLocalCache <T>, cacheSetter, id => "Get_" + id));
}
public static IList <T> BulkGetWithCache <T, K>(IEnumerable <K> idList, Func <IEnumerable <K>, IList <T> > realGetter, Func <T, K> keyPropertyGetter,
CacheGetter <T> cacheGeter, CacheSetter cacheSetter, Func <K, string> keyGenerator)
{
if (idList == null || idList.Count() <= 0)
{
return(new List <T>(0));
}
idList = idList.Distinct();
List <T> list = new List <T>(idList.Count());
List <K> noCacheIdList = new List <K>(idList.Count());
foreach (var id in idList)
{
string key = keyGenerator(id);
bool find;
var t = cacheGeter(key, out find);
if (find)
{
list.Add(t);
}
else
{
noCacheIdList.Add(id);
}
}
if (noCacheIdList.Count > 0)
{
var rst = realGetter(noCacheIdList);
if (rst != null && rst.Count > 0)
{
list.AddRange(rst);
foreach (T obj in rst)
{
K id = keyPropertyGetter(obj);
string key = keyGenerator(id);
cacheSetter(key, obj);
}
}
}
return(list);
}
public static IList <T> BulkGetWithLocalCache <T, K>(IEnumerable <K> idList, Func <IEnumerable <K>, IList <T> > realGetter, Func <T, K> keyPropertyGetter, Func <K, string> keyGenerator)
{
CacheSetter cacheSetter = (k, o) => Cache.SetLocalCache(k, o);
return(BulkGetWithCache <T, K>(idList, realGetter, keyPropertyGetter, GetFromLocalCache <T>, cacheSetter, keyGenerator));
}
