/// <summary>
/// Retrieves the path & name of the cache entry file
/// </summary>
/// <param name="identifiers"></param>
/// <returns></returns>
private FileInfo GetCacheEntryFile(params object[] identifiers)
{
var md5 = CacheBase.GetChecksum(identifiers).ToString();
return(new FileInfo(
Path.Combine(
this.CacheDirectory.FullName,
md5.Substring(0, 2),
md5 + ".cachefile")));
}
public CacheEntry Retrieve(params object[] identifiers)
{
var md5 = CacheBase.GetChecksum(identifiers);
MemoryCacheEntry ce;
if (!this.entries.TryGetValue(md5, out ce))
{
return(CacheEntry.Empty);
}
ce.LastAccess = DateTime.Now;
return(ce);
}
public void Store(CacheEntry cacheEntry, params object[] identifiers)
{
if (cacheEntry.Data == null)
{
return;
}
MemoryCacheEntry newEntry = new MemoryCacheEntry(cacheEntry);
var size = newEntry.Data.Length + 24;
if (size > this.MaxSize)
{
// Data is larger than our maximum size.
return;
}
var md5 = CacheBase.GetChecksum(identifiers);
if (this.Available < 0)
{
this.RemoveStaleItems();
this.Trim(size);
}
if (this.entries.ContainsKey(md5))
{
MemoryCacheEntry ce;
this.entries.TryRemove(md5, out ce);
lock (this)
{
this.Size -= ce.Data.Length + 24;
}
}
this.entries.TryAdd(md5, newEntry);
lock (this)
{
this.Size += size;
}
}