private static T CreateData <T>(string @namespace, ServiceCacheRegistration registration, object tag, object[] values, out CacheItemHeader header)
{
if (@namespace != null)
{
var namespaces = registration.Namespaces;
if (!namespaces.Contains(@namespace))
{
namespaces.Add(@namespace);
}
}
header = new CacheItemHeader {
Values = values,
};
return((T)registration.Builder(tag, values));
}
private static void SetUsingCas(IDistributedServiceCache cache, ServiceCacheRegistration registration, object tag, CacheItemHeader header, bool useDBNull, object value)
{
var valueAsCache = (!useDBNull || value != null ? (object)value : DBNull.Value);
cache.Add(tag, header.Item, registration.ItemPolicy, valueAsCache, new ServiceCacheByDispatcher(registration, header.Values, header));
}
private static void SetUsingRwLock(IServiceCache cache, ServiceCacheRegistration registration, object tag, CacheItemPolicy itemPolicy, CacheItemHeader header, bool useDBNull, object value)
{
_rwLock.EnterWriteLock();
try
{
var valueAsCache = (!useDBNull || value != null ? (object)value : DBNull.Value);
cache.Add(tag, header.Item, itemPolicy, valueAsCache, new ServiceCacheByDispatcher(registration, header.Values, header));
}
finally { _rwLock.ExitWriteLock(); }
}
private object InvokeInternal <T>(IServiceCache cache, object tag, CacheItemHeader header)
{
return(ActionInvoke <T>(Message, tag, header.Values, () => (T)cache.Get(null, header.Item)));
}
/// <summary>
/// Invokes the specified cache.
/// </summary>
/// <param name="cache">The cache.</param>
/// <param name="tag">The tag.</param>
/// <param name="header">The header.</param>
/// <returns></returns>
public object Invoke(IServiceCache cache, object tag, CacheItemHeader header)
{
return(_invokeInternalInfo.MakeGenericMethod(Action.TType).Invoke(this, new[] { cache, tag, header }));
}
/// <summary>
/// Gets the specified tag.
/// </summary>
/// <param name="tag">The tag.</param>
/// <param name="name">The name.</param>
/// <param name="registration">The registration.</param>
/// <param name="header">The header.</param>
/// <returns></returns>
/// <exception cref="System.ArgumentNullException"></exception>
public object Get(object tag, string name, IServiceCacheRegistration registration, out CacheItemHeader header)
{
if (registration == null)
throw new ArgumentNullException("registration");
var version = (tag as DataCacheItemVersion);
string regionName;
if (!registration.UseHeaders)
header = null;
else if (version == null)
header = (CacheItemHeader)(!Settings.TryGetRegion(ref name, out regionName) ? Cache.Get(name + "#") : Cache.Get(name + "#", regionName));
else
header = (CacheItemHeader)(!Settings.TryGetRegion(ref name, out regionName) ? Cache.GetIfNewer(name + "#", ref version) : Cache.GetIfNewer(name + "#", ref version, regionName));
if (version == null)
return (!Settings.TryGetRegion(ref name, out regionName) ? Cache.Get(name) : Cache.Get(name, regionName));
return (!Settings.TryGetRegion(ref name, out regionName) ? Cache.GetIfNewer(name, ref version) : Cache.GetIfNewer(name, ref version, regionName));
}
/// <summary>
/// Gets the specified tag.
/// </summary>
/// <param name="tag">The tag.</param>
/// <param name="name">The name.</param>
/// <param name="registration">The registration.</param>
/// <param name="header">The header.</param>
/// <returns></returns>
/// <exception cref="System.ArgumentNullException"></exception>
public object Get(object tag, string name, IServiceCacheRegistration registration, out CacheItemHeader header)
{
if (registration == null)
throw new ArgumentNullException("registration");
header = (registration.UseHeaders ? (CacheItemHeader)Cache.Get(name + "#") : null);
return Cache.Get(name);
}
/// <summary>
/// Gets the specified tag.
/// </summary>
/// <param name="tag">The tag.</param>
/// <param name="name">The name.</param>
/// <param name="registration">The registration.</param>
/// <param name="header">The header.</param>
/// <returns></returns>
/// <exception cref="System.ArgumentNullException"></exception>
public object Get(object tag, string name, IServiceCacheRegistration registration, out CacheItemHeader header)
{
if (registration == null)
throw new ArgumentNullException("registration");
throw new NotImplementedException();
}
public object Get(object tag, string name, IServiceCacheRegistration registration, out CacheItemHeader header)
{
return(_parent.Get(tag, _namespace + name, registration, out header));
}
