configure Redis cache and distributed locks

src/modules/Elsa.Caching/Services/MemoryCacheProvider.cs

@@ -0,0 +1,32 @@
+using Elsa.Caching.Models;
+using Microsoft.Extensions.Caching.Memory;
+
+namespace Elsa.Caching.Services;
+
+public class MemoryCacheProvider(IMemoryCache cache, IChangeTokenSignaler signaler) : ICacheProvider
+{
+    public bool IsShared => false;
+    public Task<CacheResult<T>> GetAsync<T>(string key, CancellationToken cancellationToken = default)
+    {
+        var found = cache.TryGetValue(key, out T? value);
+        return Task.FromResult(new CacheResult<T>(found, value));
+    }
+
+    public Task SetAsync<T>(string key, T? value, CacheEntryOptions options, CancellationToken cancellationToken = default)
+    {
+        var memoryOptions = new MemoryCacheEntryOptions
+        {
+            AbsoluteExpirationRelativeToNow = options.AbsoluteExpirationRelativeToNow,
+            SlidingExpiration = options.SlidingExpiration
+        };
+        foreach (var tag in options.Tags) memoryOptions.AddExpirationToken(signaler.GetToken(tag));
+        cache.Set(key, value, memoryOptions);
+        return Task.CompletedTask;
+    }
+
+    public Task RemoveAsync(string key, CancellationToken cancellationToken = default)
+    {
+        cache.Remove(key);
+        return Task.CompletedTask;
+    }
+}