Use contract-less resolver by default

Author: neoscie

Neolution.Extensions.Caching.Distributed/MessagePackDistributedCache.cs

@@ -22,9 +22,10 @@ public class MessagePackDistributedCache<TCacheId> : DistributedCache<TCacheId>
         private readonly IDistributedCache cache;
 
         /// <summary>
-        /// The serializer options. Uses compression by default.
+        /// The serializer options. Uses contract-less serialization and compression by default.
         /// </summary>
-        private readonly MessagePackSerializerOptions serializerOptions = MessagePackSerializerOptions.Standard.WithCompression(MessagePackCompression.Lz4BlockArray);
+        private readonly MessagePackSerializerOptions serializerOptions = MessagePack.Resolvers.ContractlessStandardResolver.Options
+            .WithCompression(MessagePackCompression.Lz4BlockArray);
 
         /// <summary>
         /// Initializes a new instance of the <see cref="MessagePackDistributedCache{TCacheId}"/> class.
@@ -41,6 +42,11 @@ public MessagePackDistributedCache(IDistributedCache cache, IOptions<MessagePack
             }
 
             var options = optionsAccessor.Value;
+            if (options.RequireMessagePackObjectAnnotation)
+            {
+                this.serializerOptions = MessagePackSerializerOptions.Standard;
+            }
+
             if (options.DisableCompression)
             {
                 this.serializerOptions = this.serializerOptions.WithCompression(MessagePackCompression.None);

Neolution.Extensions.Caching.Distributed/MessagePackDistributedCacheOptions.cs

@@ -12,6 +12,15 @@ public class MessagePackDistributedCacheOptions : IOptions<MessagePackDistribute
         /// </summary>
         public bool DisableCompression { get; set; }
 
+        /// <summary>
+        /// Gets or sets a value indicating whether to require <see cref="MessagePack.MessagePackObjectAttribute"/> annotation for serializable types.
+        /// Doing so would result in better overall serialization performance and smaller files.
+        /// </summary>
+        /// <value>
+        ///   <c>true</c> to require <see cref="MessagePack.MessagePackObjectAttribute"/> annotation; otherwise, <c>false</c>.
+        /// </value>
+        public bool RequireMessagePackObjectAnnotation { get; set; }
+
         /// <inheritdoc />
         public MessagePackDistributedCacheOptions Value => this;
     }