@@ -159,11 +159,12 @@ public override async Task<object> BaseGetAsync(string cacheKey, Type type, Canc
159159 /// <returns>The async.</returns>
160160 /// <param name="cacheKey">Cache key.</param>
161161 /// <param name="cancellationToken">CancellationToken</param>
162- public override async Task BaseRemoveAsync ( string cacheKey , CancellationToken cancellationToken = default )
162+ public override Task BaseRemoveAsync ( string cacheKey , CancellationToken cancellationToken = default )
163163 {
164164 ArgumentCheck . NotNullOrWhiteSpace ( cacheKey , nameof ( cacheKey ) ) ;
165165
166- await Task . Run ( ( ) => { _cache . Remove ( cacheKey ) ; } , cancellationToken ) ;
166+ _cache . Remove ( cacheKey ) ;
167+ return Task . CompletedTask ;
167168 }
168169
169170 /// <summary>
@@ -175,7 +176,7 @@ public override async Task BaseRemoveAsync(string cacheKey, CancellationToken ca
175176 /// <param name="expiration">Expiration.</param>
176177 /// <param name="cancellationToken">CancellationToken</param>
177178 /// <typeparam name="T">The 1st type parameter.</typeparam>
178- public override async Task BaseSetAsync < T > ( string cacheKey , T cacheValue , TimeSpan expiration , CancellationToken cancellationToken = default )
179+ public override Task BaseSetAsync < T > ( string cacheKey , T cacheValue , TimeSpan expiration , CancellationToken cancellationToken = default )
179180 {
180181 ArgumentCheck . NotNullOrWhiteSpace ( cacheKey , nameof ( cacheKey ) ) ;
181182 ArgumentCheck . NotNull ( cacheValue , nameof ( cacheValue ) , _options . CacheNulls ) ;
@@ -187,12 +188,10 @@ public override async Task BaseSetAsync<T>(string cacheKey, T cacheValue, TimeSp
187188 expiration = expiration . Add ( TimeSpan . FromSeconds ( addSec ) ) ;
188189 }
189190
190- await Task . Run ( ( ) =>
191- {
192- //var valExpiration = expiration.Seconds <= 1 ? expiration : TimeSpan.FromSeconds(expiration.Seconds / 2);
193- //var val = new CacheValue<T>(cacheValue, true, valExpiration);
194- _cache . Set ( cacheKey , cacheValue , expiration ) ;
195- } , cancellationToken ) ;
191+ //var valExpiration = expiration.Seconds <= 1 ? expiration : TimeSpan.FromSeconds(expiration.Seconds / 2);
192+ //var val = new CacheValue<T>(cacheValue, true, valExpiration);
193+ _cache . Set ( cacheKey , cacheValue , expiration ) ;
194+ return Task . CompletedTask ;
196195 }
197196
198197 /// <summary>
@@ -201,11 +200,11 @@ await Task.Run(() =>
201200 /// <returns>The async.</returns>
202201 /// <param name="cacheKey">Cache key.</param>
203202 /// <param name="cancellationToken">CancellationToken</param>
204- public override async Task < bool > BaseExistsAsync ( string cacheKey , CancellationToken cancellationToken = default )
203+ public override Task < bool > BaseExistsAsync ( string cacheKey , CancellationToken cancellationToken = default )
205204 {
206205 ArgumentCheck . NotNullOrWhiteSpace ( cacheKey , nameof ( cacheKey ) ) ;
207206
208- return await Task . FromResult ( _cache . Exists ( cacheKey ) ) ;
207+ return Task . FromResult ( _cache . Exists ( cacheKey ) ) ;
209208 }
210209
211210 /// <summary>
@@ -214,14 +213,15 @@ public override async Task<bool> BaseExistsAsync(string cacheKey, CancellationTo
214213 /// <returns>The by prefix async.</returns>
215214 /// <param name="prefix">Prefix.</param>
216215 /// <param name="cancellationToken">CancellationToken</param>
217- public override async Task BaseRemoveByPrefixAsync ( string prefix , CancellationToken cancellationToken = default )
216+ public override Task BaseRemoveByPrefixAsync ( string prefix , CancellationToken cancellationToken = default )
218217 {
219218 ArgumentCheck . NotNullOrWhiteSpace ( prefix , nameof ( prefix ) ) ;
220219
221- var count = await Task . Run ( ( ) => _cache . RemoveByPrefix ( prefix ) , cancellationToken ) ;
220+ var count = _cache . RemoveByPrefix ( prefix ) ;
222221
223222 if ( _options . EnableLogging )
224223 _logger ? . LogInformation ( $ "RemoveByPrefixAsync : prefix = { prefix } , count = { count } ") ;
224+ return Task . CompletedTask ;
225225 }
226226
227227 /// <summary>
@@ -230,17 +230,18 @@ public override async Task BaseRemoveByPrefixAsync(string prefix, CancellationTo
230230 /// <returns>The by prefix async.</returns>
231231 /// <param name="pattern">Pattern.</param>
232232 /// <param name="cancellationToken">CancellationToken</param>
233- public override async Task BaseRemoveByPatternAsync ( string pattern , CancellationToken cancellationToken = default )
233+ public override Task BaseRemoveByPatternAsync ( string pattern , CancellationToken cancellationToken = default )
234234 {
235235 ArgumentCheck . NotNullOrWhiteSpace ( pattern , nameof ( pattern ) ) ;
236236
237237 var searchPattern = this . ProcessSearchKeyPattern ( pattern ) ;
238238 var searchKey = this . HandleSearchKeyPattern ( pattern ) ;
239-
240- var count = await Task . Run ( ( ) => _cache . RemoveByPattern ( searchKey , searchPattern ) , cancellationToken ) ;
239+
240+ var count = _cache . RemoveByPattern ( searchKey , searchPattern ) ;
241241
242242 if ( _options . EnableLogging )
243243 _logger ? . LogInformation ( $ "BaseRemoveByPatternAsync : pattern = { pattern } , count = { count } ") ;
244+ return Task . CompletedTask ;
244245 }
245246
246247 /// <summary>
@@ -251,12 +252,13 @@ public override async Task BaseRemoveByPatternAsync(string pattern, Cancellation
251252 /// <param name="expiration">Expiration.</param>
252253 /// <param name="cancellationToken">CancellationToken</param>
253254 /// <typeparam name="T">The 1st type parameter.</typeparam>
254- public override async Task BaseSetAllAsync < T > ( IDictionary < string , T > values , TimeSpan expiration , CancellationToken cancellationToken = default )
255+ public override Task BaseSetAllAsync < T > ( IDictionary < string , T > values , TimeSpan expiration , CancellationToken cancellationToken = default )
255256 {
256257 ArgumentCheck . NotNegativeOrZero ( expiration , nameof ( expiration ) ) ;
257258 ArgumentCheck . NotNullAndCountGTZero ( values , nameof ( values ) ) ;
258259
259- await Task . Run ( ( ) => _cache . SetAll ( values , expiration ) , cancellationToken ) ;
260+ _cache . SetAll ( values , expiration ) ;
261+ return Task . CompletedTask ;
260262 }
261263
262264 /// <summary>
@@ -266,16 +268,16 @@ public override async Task BaseSetAllAsync<T>(IDictionary<string, T> values, Tim
266268 /// <param name="cacheKeys">Cache keys.</param>
267269 /// <param name="cancellationToken">CancellationToken</param>
268270 /// <typeparam name="T">The 1st type parameter.</typeparam>
269- public override async Task < IDictionary < string , CacheValue < T > > > BaseGetAllAsync < T > ( IEnumerable < string > cacheKeys , CancellationToken cancellationToken = default )
271+ public override Task < IDictionary < string , CacheValue < T > > > BaseGetAllAsync < T > ( IEnumerable < string > cacheKeys , CancellationToken cancellationToken = default )
270272 {
271273 ArgumentCheck . NotNullAndCountGTZero ( cacheKeys , nameof ( cacheKeys ) ) ;
272274
273275 if ( _options . EnableLogging )
274276 _logger ? . LogInformation ( $ "GetAllAsync : cacheKeys = { string . Join ( "," , cacheKeys ) } ") ;
275277
276- return await Task . FromResult ( _cache . GetAll < T > ( cacheKeys ) ) ;
278+ return Task . FromResult ( _cache . GetAll < T > ( cacheKeys ) ) ;
277279 }
278-
280+
279281
280282 /// <summary>
281283 /// Get all cacheKey by prefix async.
@@ -298,15 +300,15 @@ public override Task<IEnumerable<string>> BaseGetAllKeysByPrefixAsync(string pre
298300 /// <param name="prefix">Prefix.</param>
299301 /// <param name="cancellationToken">CancellationToken</param>
300302 /// <typeparam name="T">The 1st type parameter.</typeparam>
301- public override async Task < IDictionary < string , CacheValue < T > > > BaseGetByPrefixAsync < T > ( string prefix , CancellationToken cancellationToken = default )
303+ public override Task < IDictionary < string , CacheValue < T > > > BaseGetByPrefixAsync < T > ( string prefix , CancellationToken cancellationToken = default )
302304 {
303305 ArgumentCheck . NotNullOrWhiteSpace ( prefix , nameof ( prefix ) ) ;
304306 var map = new Dictionary < string , CacheValue < T > > ( ) ;
305307
306308 if ( _options . EnableLogging )
307309 _logger ? . LogInformation ( $ "GetByPrefixAsync : prefix = { prefix } ") ;
308310
309- return await Task . FromResult ( _cache . GetByPrefix < T > ( prefix ) ) ;
311+ return Task . FromResult ( _cache . GetByPrefix < T > ( prefix ) ) ;
310312 }
311313
312314 /// <summary>
@@ -315,28 +317,29 @@ public override async Task<IDictionary<string, CacheValue<T>>> BaseGetByPrefixAs
315317 /// <returns>The all async.</returns>
316318 /// <param name="cacheKeys">Cache keys.</param>
317319 /// <param name="cancellationToken">CancellationToken</param>
318- public override async Task BaseRemoveAllAsync ( IEnumerable < string > cacheKeys , CancellationToken cancellationToken = default )
320+ public override Task BaseRemoveAllAsync ( IEnumerable < string > cacheKeys , CancellationToken cancellationToken = default )
319321 {
320322 ArgumentCheck . NotNullAndCountGTZero ( cacheKeys , nameof ( cacheKeys ) ) ;
321323
322324 if ( _options . EnableLogging )
323325 _logger ? . LogInformation ( $ "RemoveAllAsync : cacheKeys = { string . Join ( "," , cacheKeys ) } ") ;
324326
325- await Task . Run ( ( ) => _cache . RemoveAll ( cacheKeys ) , cancellationToken ) ;
327+ _cache . RemoveAll ( cacheKeys ) ;
328+ return Task . CompletedTask ;
326329 }
327330
328331 /// <summary>
329332 /// Flush All Cached Item async.
330333 /// </summary>
331334 /// <returns>The async.</returns>
332335 /// <param name="cancellationToken">CancellationToken</param>
333- public override async Task BaseFlushAsync ( CancellationToken cancellationToken = default )
336+ public override Task BaseFlushAsync ( CancellationToken cancellationToken = default )
334337 {
335338 if ( _options . EnableLogging )
336339 _logger ? . LogInformation ( "FlushAsync" ) ;
337340
338341 _cache . Clear ( ) ;
339- await Task . CompletedTask ;
342+ return Task . CompletedTask ;
340343 }
341344
342345 /// <summary>
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