Initial checkin of gRPC to third_party/

third_party/grpc/src/csharp/Grpc.Core/WriteOptions.cs

 #region Copyright notice and license
-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc.  All rights reserved.
-// https://developers.google.com/protocol-buffers/
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 // copyright notice, this list of conditions and the following disclaimer
 // in the documentation and/or other materials provided with the
 // distribution.
 //     * Neither the name of Google Inc. nor the names of its
 // contributors may be used to endorse or promote products derived from
 // this software without specific prior written permission.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
 #endregion
 
 using System;
-using System.Collections;
 
-namespace Google.Protobuf.Reflection
+namespace Grpc.Core
 {
     /// <summary>
-    /// Allows fields to be reflectively accessed.
+    /// Flags for write operations.
     /// </summary>
-    public interface IFieldAccessor
+    [Flags]
+    public enum WriteFlags
     {
         /// <summary>
-        /// Returns the descriptor associated with this field.
+        /// Hint that the write may be buffered and need not go out on the wire immediately.
+        /// gRPC is free to buffer the message until the next non-buffered
+        /// write, or until write stream completion, but it need not buffer completely or at all.
         /// </summary>
-        FieldDescriptor Descriptor { get; }
+        BufferHint = 0x1,
 
         /// <summary>
-        /// Clears the field in the specified message. (For repeated fields,
-        /// this clears the list.)
+        /// Force compression to be disabled for a particular write.
         /// </summary>
-        void Clear(IMessage message);
+        NoCompress = 0x2
+    }
+
+    /// <summary>
+    /// Options for write operations.
+    /// </summary>
+    public class WriteOptions
+    {
+        /// <summary>
+        /// Default write options.
+        /// </summary>
+        public static readonly WriteOptions Default = new WriteOptions();
+            
+        private WriteFlags flags;
 
         /// <summary>
-        /// Fetches the field value. For repeated values, this will be an
-        /// <see cref="IList"/> implementation. For map values, this will be an
-        /// <see cref="IDictionary"/> implementation.
+        /// Initializes a new instance of <c>WriteOptions</c> class.
         /// </summary>
-        object GetValue(IMessage message);
+        /// <param name="flags">The write flags.</param>
+        public WriteOptions(WriteFlags flags = default(WriteFlags))
+        {
+            this.flags = flags;
+        }
 
         /// <summary>
-        /// Mutator for single "simple" fields only.
+        /// Gets the write flags.
         /// </summary>
-        /// <remarks>
-        /// Repeated fields are mutated by fetching the value and manipulating it as a list.
-        /// Map fields are mutated by fetching the value and manipulating it as a dictionary.
-        /// </remarks>
-        /// <exception cref="InvalidOperationException">The field is not a "simple" field.</exception>
-        void SetValue(IMessage message, object value);
+        public WriteFlags Flags
+        {
+            get
+            {
+                return this.flags;
+            }
+        }
     }
-}
+}