1 // DataflowMessageHeader.cs
3 // Copyright (c) 2011 Jérémie "garuma" Laval
4 // Copyright (c) 2012 Petr Onderka
6 // Permission is hereby granted, free of charge, to any person obtaining a copy
7 // of this software and associated documentation files (the "Software"), to deal
8 // in the Software without restriction, including without limitation the rights
9 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 // copies of the Software, and to permit persons to whom the Software is
11 // furnished to do so, subject to the following conditions:
13 // The above copyright notice and this permission notice shall be included in
14 // all copies or substantial portions of the Software.
16 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 namespace System.Threading.Tasks.Dataflow {
25 public struct DataflowMessageHeader : IEquatable<DataflowMessageHeader> {
28 public DataflowMessageHeader (long id)
31 throw new ArgumentException("The value of 0 can't be used as an id for a valid header.");
48 public override bool Equals (object obj)
50 return obj is DataflowMessageHeader && Equals ((DataflowMessageHeader)obj);
53 public bool Equals (DataflowMessageHeader other)
55 return other.id == id;
58 public override int GetHashCode ()
60 return id.GetHashCode ();
63 public static bool operator== (DataflowMessageHeader left, DataflowMessageHeader right)
65 return left.Equals (right);
68 public static bool operator!= (DataflowMessageHeader left, DataflowMessageHeader right)
70 return !left.Equals (right);