public T Get <T>(string key, Func <T> getFunc, string group = null)
{
var val = repo.Get(key);
if (val != null)
{
return((T)val);
}
if (group != null)
{
groups.AddOrUpdate(
group,
g => new Tuple <object, HashSet <string> >(new object(), new HashSet <string> {
key
}),
(gname, tuple) =>
{
lock (tuple.Item1)
{
tuple.Item2.Add(key);
}
return(tuple);
});
}
val = getFunc();
repo.Insert(key, val);
return((T)val);
}
/// <summary>
///
/// </summary>
/// <param name="key"></param>
/// <param name="eh"></param>
/// <returns></returns>
internal override bool AddInternal(object key, ExpirationHint eh, OperationContext operationContext)
{
if (ServerMonitor.MonitorActivity)
{
ServerMonitor.LogClientActivity("LocalCache.Add_2", "");
}
if (_cacheStore == null)
{
throw new InvalidOperationException();
}
CacheEntry e = (CacheEntry)_cacheStore.Get(key);
if (e == null)
{
return(false);
}
//We only allow either idle expiration or Fixed expiration both cannot be set at the same time
if ((e.ExpirationHint is IdleExpiration && eh is FixedExpiration) ||
(e.ExpirationHint is FixedExpiration && eh is IdleExpiration))
{
return(false);
}
e.ExpirationHint = eh;
_cacheStore.Insert(key, e, true);
e.LastModifiedTime = System.DateTime.Now;
if (_context.PerfStatsColl != null)
{
if (_evictionPolicy != null)
{
_context.PerfStatsColl.SetEvictionIndexSize((long)_evictionPolicy.IndexInMemorySize);
}
if (_context.ExpiryMgr != null)
{
_context.PerfStatsColl.SetExpirationIndexSize((long)_context.ExpiryMgr.IndexInMemorySize);
}
}
return(true);
}
/// <summary>
/// Adiciona uma dependencia de sincronização para o item associado com a chave informada.
/// </summary>
/// <param name="key">Chave do item do cache.</param>
/// <param name="syncDependency">Instancia da dependencia de sincronização.</param>
/// <returns>True caso a operação tenha sido executada com sucesso.</returns>
internal override bool AddInternal(object key, CacheSyncDependency syncDependency)
{
if (_cacheStore == null)
{
throw new InvalidOperationException();
}
CacheEntry item = (CacheEntry)_cacheStore.Get(key);
if (item == null)
{
return(false);
}
item.SyncDependency = syncDependency;
_cacheStore.Insert(key, item);
item.LastModifiedTime = DateTime.Now;
return(true);
}