/// <summary>
/// Processes the evict async.
/// </summary>
/// <returns>The evict async.</returns>
/// <param name="context">Context.</param>
/// <param name="isBefore">If set to <c>true</c> is before.</param>
private async Task ProcessEvictAsync(AspectContext context, bool isBefore)
{
if (GetMethodAttributes(context.ServiceMethod).FirstOrDefault(x => x.GetType() == typeof(EasyCachingEvictAttribute)) is EasyCachingEvictAttribute attribute && attribute.IsBefore == isBefore)
{
try
{
if (attribute.IsAll)
{
//If is all , clear all cached items which cachekey start with the prefix.
var cachePrefix = KeyGenerator.GetCacheKeyPrefix(context.ServiceMethod, attribute.CacheKeyPrefix);
await _cacheProvider.RemoveByPrefixAsync(cachePrefix);
}
else
{
//If not all , just remove the cached item by its cachekey.
var cacheKey = KeyGenerator.GetCacheKey(context.ServiceMethod, context.Parameters, attribute.CacheKeyPrefix);
await _cacheProvider.RemoveAsync(cacheKey);
}
}
catch (Exception ex)
{
if (!attribute.IsHightAvailability)
{
throw;
}
else
{
Logger?.LogError(new EventId(), ex, $"Cache provider \"{_cacheProvider.Name}\" remove error.");
}
}
}
}
/// <summary>
/// Removes cached item by cachekey's prefix async.
/// </summary>
/// <returns>The by prefix async.</returns>
/// <param name="prefix">Prefix.</param>
public async Task RemoveByPrefixAsync(string prefix)
{
ArgumentCheck.NotNullOrWhiteSpace(prefix, nameof(prefix));
await _localCachingProvider.RemoveByPrefixAsync(prefix);
await _distributedCachingProvider.RemoveByPrefixAsync(prefix);
}
/// <summary>
/// Removes the by prefix async.
/// </summary>
/// <returns>The by prefix async.</returns>
/// <param name="prefix">Prefix.</param>
public async Task RemoveByPrefixAsync(string prefix)
{
ArgumentCheck.NotNullOrWhiteSpace(prefix, nameof(prefix));
await _localCache.RemoveByPrefixAsync(prefix);
await _distributedCache.RemoveByPrefixAsync(prefix);
//send message to bus in order to notify other clients.
await _bus.PublishAsync(_options.TopicName, new EasyCachingMessage { Id = _cacheId, CacheKeys = new string[] { prefix }, IsPrefix = true });
}
/// <summary>
/// Removes the by prefix async.
/// </summary>
/// <returns>The by prefix async.</returns>
/// <param name="prefix">Prefix.</param>
public async Task RemoveByPrefixAsync(string prefix)
{
ArgumentCheck.NotNullOrWhiteSpace(prefix, nameof(prefix));
try
{
await _distributedCache.RemoveByPrefixAsync(prefix);
}
catch (Exception ex)
{
_logger?.LogError(ex, "remove by prefix [{0}] error", prefix);
}
await _localCache.RemoveByPrefixAsync(prefix);
// send message to bus in order to notify other clients.
await _bus.PublishAsync(_options.TopicName, new EasyCachingMessage { Id = _cacheId, CacheKeys = new string[] { prefix }, IsPrefix = true });
}
/// <summary>
/// Removes cache by key prefix
/// </summary>
public async Task RemoveByPrefixAsync(string prefix)
{
await _provider.RemoveByPrefixAsync(prefix);
}
public async Task RemoveByPrefix_Async_Should_Throw_ArgumentNullException_When_Prefix_IsNullOrWhiteSpace(string preifx)
{
await Assert.ThrowsAsync <ArgumentNullException>(async() => await _provider.RemoveByPrefixAsync(preifx));
}
/// <summary>
/// Removes cached item by cachekey's prefix async.
/// </summary>
/// <param name="prefix">Prefix of CacheKey.</param>
/// <param name="cancellationToken">cancellationToken</param>
/// <returns>Task</returns>
public Task RemoveByPrefixAsync(string prefix, CancellationToken cancellationToken = default)
{
return(_easyCachingProvider.RemoveByPrefixAsync(prefix));
}
public async Task ClearCache(CancellationToken token)
{
await _provider.RemoveByPrefixAsync(KeyPrefix);
}
public Task RemoveByPrefixAsync(string prefix)
{
return(_provider.RemoveByPrefixAsync(prefix));
}
public async Task ResetCacheAsync(string cachekey)
{
await _cachingProvider.RemoveByPrefixAsync(cachekey);
}
