/// <summary>
/// Gets the user account cache entry.
/// </summary>
/// <param name="username">The username.</param>
/// <returns></returns>
private UserAccountCacheEntry GetUserAccountCacheEntry(string username)
{
UserAccountCacheEntry entry;
lock ( _innerLockObject )
{
if (PasswordPolicyId == 0)
{
// Cache the password policy instance id
PasswordPolicyId = Entity.GetId("core:passwordPolicyInstance");
}
if (!InnerCache.TryGetValue(username, out entry))
{
// We don't have a cache entry for this user name.
// Get the user account by user name and add it to the cache
UserAccount userAccountByName = Entity.GetByField <UserAccount>(username, true, new EntityRef("core", "name")).FirstOrDefault( );
if (userAccountByName == null)
{
return(null);
}
entry = AddAccount(userAccountByName);
}
}
return(entry);
}
/// <summary>
/// Gets or sets the <see cref="System.Object" /> with the specified key.
/// </summary>
/// <value>
/// The <see cref="System.Object" />.
/// </value>
/// <param name="key">The key.</param>
/// <returns>
/// The cached value if found; null otherwise.
/// </returns>
public TValue this[TKey key]
{
get
{
bool result;
TValue value;
result = InnerCache.TryGetValue(key, out value);
if (result)
{
Interlocked.Increment(ref _hits);
}
else
{
Interlocked.Increment(ref _misses);
}
MetricReporter.NotifyHitsAndMissesChange(Name);
return(value);
}
set
{
Add(key, value);
}
}
protected async Task InvalidateAsync(string partitionKey)
{
await Task.Run(() =>
{
if (InnerCache.TryGetValue(partitionKey, out HashSet <string> index))
{
Parallel.ForEach(index, InnerCache.Remove);
InnerCache.Remove(partitionKey);
}
});
}
/// <summary>
/// Attempts to retrieve the value with the specified key.
/// </summary>
/// <param name="key">The key.</param>
/// <param name="value">The value.</param>
/// <returns>
/// <c>true</c> if the cache contains the specified key; otherwise, <c>false</c>.
/// </returns>
public bool TryGetValue(TKey key, out TValue value)
{
RedisValue redisValue = RedisValue.Null;
bool result = false;
if (!RedisCacheMemoryStoreSuppressionContext.IsSet(CacheName))
{
result = _memoryStore.TryGetString(GetRedisKey(key), out redisValue);
}
if (!result && InnerCache != null)
{
return(InnerCache.TryGetValue(key, out value));
}
value = GetValue(redisValue);
return(result);
}
/// <summary>
/// Attempts to retrieve the value with the specified key.
/// </summary>
/// <param name="key">The key.</param>
/// <param name="value">The value.</param>
/// <returns>
/// <c>true</c> if the cache contains the specified key; otherwise, <c>false</c>.
/// </returns>
public bool TryGetValue(TKey key, out TValue value)
{
bool result;
result = InnerCache.TryGetValue(key, out value);
if (result)
{
Interlocked.Increment(ref _hits);
}
else
{
Interlocked.Increment(ref _misses);
}
MetricReporter.NotifyHitsAndMissesChange(Name);
return(result);
}
/// <summary>
/// Attempts to retrieve the value with the specified key.
/// </summary>
/// <param name="key">The key.</param>
/// <param name="value">The value.</param>
/// <returns>
/// <c>true</c> if the cache contains the specified key; otherwise, <c>false</c>.
/// </returns>
public bool TryGetValue(TKey key, out TValue value)
{
return(InnerCache.TryGetValue(key, out value));
}