diff options
Diffstat (limited to 'lib/Utils/src/Extensions/CacheExtensions.cs')
| -rw-r--r-- | lib/Utils/src/Extensions/CacheExtensions.cs | 77 |
1 files changed, 20 insertions, 57 deletions
diff --git a/lib/Utils/src/Extensions/CacheExtensions.cs b/lib/Utils/src/Extensions/CacheExtensions.cs index 665e282..7efc36d 100644 --- a/lib/Utils/src/Extensions/CacheExtensions.cs +++ b/lib/Utils/src/Extensions/CacheExtensions.cs @@ -52,10 +52,7 @@ namespace VNLib.Utils.Extensions /// </remarks> public static void StoreRecord<TKey, T>(this IDictionary<TKey, T> store, TKey key, T record) where T : ICacheable { - if (store is null) - { - throw new ArgumentNullException(nameof(store)); - } + ArgumentNullException.ThrowIfNull(store); T ?oldRecord = default; lock (store) @@ -128,10 +125,7 @@ namespace VNLib.Utils.Extensions /// </remarks> public static ERRNO TryGetOrEvictRecord<TKey, T>(this IDictionary<TKey, T> store, TKey key, out T? value) where T : ICacheable { - if (store is null) - { - throw new ArgumentNullException(nameof(store)); - } + ArgumentNullException.ThrowIfNull(store); value = default; //Cache current date time before entering the lock @@ -194,10 +188,7 @@ namespace VNLib.Utils.Extensions /// <returns>True if the record was found and evicted</returns> public static bool EvictRecord<TKey, T>(this IDictionary<TKey, T> store, TKey key) where T : ICacheable { - if (store is null) - { - throw new ArgumentNullException(nameof(store)); - } + ArgumentNullException.ThrowIfNull(store); T? record = default; lock (store) @@ -218,10 +209,8 @@ namespace VNLib.Utils.Extensions /// </summary> /// <typeparam name="TKey"></typeparam> /// <typeparam name="T"></typeparam> - public static void CollectRecords<TKey, T>(this IDictionary<TKey, T> store) where T : ICacheable - { - CollectRecords(store, DateTime.UtcNow); - } + public static void CollectRecords<TKey, T>(this IDictionary<TKey, T> store) where T : ICacheable + => CollectRecords(store, DateTime.UtcNow); /// <summary> /// Evicts all expired records from the store @@ -232,10 +221,7 @@ namespace VNLib.Utils.Extensions /// <param name="validAfter">A time that specifies the time which expired records should be evicted</param> public static void CollectRecords<TKey, T>(this IDictionary<TKey, T> store, DateTime validAfter) where T : ICacheable { - if (store is null) - { - throw new ArgumentNullException(nameof(store)); - } + ArgumentNullException.ThrowIfNull(store); //Build a query to get the keys that belong to the expired records IEnumerable<KeyValuePair<TKey, T>> expired = store.Where(s => s.Value.Expires < validAfter); //temp list for expired records @@ -273,15 +259,8 @@ namespace VNLib.Utils.Extensions /// <param name="useCtx">A callback method that will be passed the record to use within an exclusive context</param> public static void UseRecord<TKey, T, TState>(this IDictionary<TKey, T> store, TKey key, TState state, Action<T, TState> useCtx) where T: ICacheable { - if (store is null) - { - throw new ArgumentNullException(nameof(store)); - } - - if (useCtx is null) - { - throw new ArgumentNullException(nameof(useCtx)); - } + ArgumentNullException.ThrowIfNull(store); + ArgumentNullException.ThrowIfNull(useCtx); lock (store) { @@ -303,15 +282,8 @@ namespace VNLib.Utils.Extensions /// <param name="useCtx">A callback method that will be passed the record to use within an exclusive context</param> public static void UseRecord<TKey, T>(this IDictionary<TKey, T> store, TKey key, Action<T> useCtx) where T : ICacheable { - if (store is null) - { - throw new ArgumentNullException(nameof(store)); - } - - if (useCtx is null) - { - throw new ArgumentNullException(nameof(useCtx)); - } + ArgumentNullException.ThrowIfNull(store); + ArgumentNullException.ThrowIfNull(useCtx); lock (store) { @@ -335,17 +307,15 @@ namespace VNLib.Utils.Extensions /// <param name="state">A user-token type state parameter to pass to the use callback method</param> /// <param name="useCtx">A callback method that will be passed the record to use within an exclusive context</param> /// <remarks>If the record is found, but is expired, the record is evicted from the store. The callback is never invoked</remarks> - public static void UseIfValid<TKey, T, TState>(this IDictionary<TKey, T> store, TKey key, TState state, Action<T, TState> useCtx) where T : ICacheable + public static void UseIfValid<TKey, T, TState>( + this IDictionary<TKey, T> store, + TKey key, + TState state, + Action<T, TState> useCtx + ) where T : ICacheable { - if (store is null) - { - throw new ArgumentNullException(nameof(store)); - } - - if (useCtx is null) - { - throw new ArgumentNullException(nameof(useCtx)); - } + ArgumentNullException.ThrowIfNull(store); + ArgumentNullException.ThrowIfNull(useCtx); DateTime now = DateTime.UtcNow; T? record; @@ -376,15 +346,8 @@ namespace VNLib.Utils.Extensions /// <remarks>If the record is found, but is expired, the record is evicted from the store. The callback is never invoked</remarks> public static void UseIfValid<TKey, T>(this IDictionary<TKey, T> store, TKey key, Action<T> useCtx) where T : ICacheable { - if (store is null) - { - throw new ArgumentNullException(nameof(store)); - } - - if (useCtx is null) - { - throw new ArgumentNullException(nameof(useCtx)); - } + ArgumentNullException.ThrowIfNull(store); + ArgumentNullException.ThrowIfNull(useCtx); DateTime now = DateTime.UtcNow; T? record; |