public void SetVersionItems <T>(string key, CacheVersion <T> cacheVersion) where T : class
{
using (_rwLock.GetWriteLock())
{
_cache.Set <CacheVersion <T> >(key, cacheVersion);
}
}
public CacheManager <T> SetVersionItems(string key, CacheVersion <T> cacheVersion)
{
if (!_cacheEnabled)
{
return(this);
}
var realkey = GetRealKey(key);
realkey = "ls;" + realkey;
_cache.SetVersionItems <T>(realkey, cacheVersion);
return(this);
}
public List <T> GetVersionItems(string key, Func <List <T> > acquirer)
{
if (!_cacheEnabled)
{
return(acquirer());
}
var realkey = GetRealKey(key);
realkey = "ls;" + realkey;
int version = _cache.GetTObject <int>(_cacheVersion);
var result = _cache.GetVersionItems <T>(realkey);
bool updateCache;
if (result != null)
{
if (result.Version == version)
{
return(Clone(result.Items));
}
else
{
updateCache = true;
}
}
else
{
updateCache = true;
}
if (updateCache)
{
var items = acquirer();
if (items == null)
{
return(items);
}
var cacheVersion = new CacheVersion <T>()
{
Version = version,
Items = items
};
SetVersionItems(key, cacheVersion);
return(Clone(items));
}
return(null);
}
