public static ExpirationHint GetExpirationHint(Dependencies.CacheDependency dependency, DateTime absoluteExpiration, TimeSpan slidingExpiration)
{
ExpirationHint expirationHint = GetExpirationHint(absoluteExpiration, slidingExpiration);
if (expirationHint == null)
{
return(GetExpirationHint(dependency));
}
ExpirationHint eh = GetExpirationHint(dependency);
if (eh == null)
{
return(expirationHint);
}
AggregateExpirationHint hint3 = null;
if (eh is AggregateExpirationHint)
{
hint3 = eh as AggregateExpirationHint;
hint3.Add(expirationHint);
return(hint3);
}
hint3 = new AggregateExpirationHint();
hint3.Add(expirationHint);
hint3.Add(eh);
return(hint3);
}
/// <summary>
/// Reseta o hint.
/// </summary>
/// <param name="hint"></param>
public void ResetVariant(ExpirationHint hint)
{
lock (this)
{
hint.ResetVariant(_context);
}
}
private static ExpirationHint GetExpirationHint(Dependencies.CacheDependency cacheDependency, AggregateExpirationHint aggregateHint)
{
if (cacheDependency == null)
{
return(null);
}
ExpirationHint expirationHint = null;
if (cacheDependency is Dependencies.KeyDependency)
{
var dependency = cacheDependency as Dependencies.KeyDependency;
expirationHint = new KeyDependency(dependency.CacheKeys, new DateTime(dependency.StartAfterTicks));
aggregateHint.Add(expirationHint);
}
else if (cacheDependency is Dependencies.FileDependency)
{
var dependency2 = cacheDependency as Dependencies.FileDependency;
expirationHint = new FileDependency(dependency2.fileNames, new DateTime(dependency2.StartAfterTicks));
aggregateHint.Add(expirationHint);
}
if (aggregateHint.Hints.Length == 0)
{
return(null);
}
if (aggregateHint.Hints.Length == 1)
{
return(aggregateHint.Hints[0]);
}
return(aggregateHint);
}
/// <summary>
/// Reseta os dados do Hint.
/// </summary>
/// <param name="oldHint"></param>
/// <param name="newHint"></param>
public void ResetHint(ExpirationHint oldHint, ExpirationHint newHint)
{
lock (this)
{
if (newHint != null)
{
if (oldHint != null)
{
((IDisposable)oldHint).Dispose();
}
newHint.Reset(_context);
}
}
}
public static Dependencies.CacheDependency GetCacheDependency(ExpirationHint hint, out DateTime absoluteExpiration, out TimeSpan slidingExpiration)
{
Dependencies.CacheDependency cacheDependency = null;
absoluteExpiration = DateTime.MaxValue;
slidingExpiration = TimeSpan.Zero;
if (hint != null)
{
if (hint is AggregateExpirationHint)
{
AggregateExpirationHint hint2 = (AggregateExpirationHint)hint;
if ((hint2.Hints != null) && (hint2.Hints.Length > 0))
{
foreach (ExpirationHint hint3 in hint2.Hints)
{
AddToDependency(ref cacheDependency, GetCacheDependency(hint3, out absoluteExpiration, out slidingExpiration));
}
}
return(cacheDependency);
}
if (hint is FixedExpiration)
{
absoluteExpiration = ((FixedExpiration)hint).AbsoluteTime;
return(cacheDependency);
}
if (hint is IdleExpiration)
{
slidingExpiration = ((IdleExpiration)hint).SlidingTime;
return(cacheDependency);
}
if (hint is KeyDependency)
{
var dependency2 = (KeyDependency)hint;
AddToDependency(ref cacheDependency, new Dependencies.KeyDependency(dependency2.CacheKeys, new DateTime(dependency2.StartAfterTicks)));
return(cacheDependency);
}
if (hint is FileDependency)
{
FileDependency dependency3 = (FileDependency)hint;
AddToDependency(ref cacheDependency, new Dependencies.FileDependency(dependency3.FileNames, new DateTime(dependency3.StartAfterTicks)));
return(cacheDependency);
}
return(cacheDependency);
}
return(cacheDependency);
}
/// <summary>
/// Salva a dia no escritor informado.
/// </summary>
/// <param name="writer"></param>
/// <param name="expHint"></param>
public static void WriteExpHint(CompactWriter writer, ExpirationHint expHint)
{
if (expHint == null)
{
writer.Write((short)(-1));
}
else
{
writer.Write((short)expHint.HintType);
if (expHint.HintType == ExpirationHintType.ExtensibleDependency)
{
writer.WriteObject(expHint);
}
else
{
expHint.Serialize(writer);
}
}
}
public void UpdateIndex(object key, ExpirationHint hint, bool hasDependentKeys)
{
if ((key != null) && (hint != null))
{
lock (_status_mutex)
{
if (!this.IsInProgress)
{
if (!_mainIndex.Contains(key))
{
_mainIndex[key] = new ExpiryIndexEntry(hint, hasDependentKeys);
}
else
{
ExpiryIndexEntry entry = _mainIndex[key] as ExpiryIndexEntry;
if (entry != null)
{
entry.Hint = hint;
entry.HasDependentKeys = hasDependentKeys;
}
}
}
else if (_transitoryIndex[key] == null)
{
_transitoryIndex[key] = new ExpiryIndexEntry(hint, hasDependentKeys);
}
else
{
ExpiryIndexEntry entry2 = _transitoryIndex[key] as ExpiryIndexEntry;
if (entry2 != null)
{
entry2.Hint = hint;
entry2.HasDependentKeys = hasDependentKeys;
}
}
}
}
}
/// <summary>
///
/// </summary>
/// <param name="hint"></param>
/// <param name="hasDependentKeys"></param>
public ExpiryIndexEntry(ExpirationHint hint, bool hasDependentKeys)
{
_hint = hint;
_hasDependentKeys = hasDependentKeys;
}
/// <summary>
/// Construtor padrão.
/// </summary>
/// <param name="hint"></param>
public ExpiryIndexEntry(ExpirationHint hint) : this(hint, false)
{
}