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author | Andrew Arnott <andrewarnott@gmail.com> | 2012-01-12 08:40:50 -0800 |
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committer | Andrew Arnott <andrewarnott@gmail.com> | 2012-01-12 08:42:14 -0800 |
commit | af21cdaf77ca72f54e04f22268b740ce262582fa (patch) | |
tree | 9b158e3bff1f56264bccb9e45c8b807816beece6 /src/DotNetOpenAuth.Core/Messaging/EmptyEnumerator.cs | |
parent | a73f2a4830aaa2afcb3f13da2206d9b011dad7fb (diff) | |
download | DotNetOpenAuth-af21cdaf77ca72f54e04f22268b740ce262582fa.zip DotNetOpenAuth-af21cdaf77ca72f54e04f22268b740ce262582fa.tar.gz DotNetOpenAuth-af21cdaf77ca72f54e04f22268b740ce262582fa.tar.bz2 |
Renamed assembly DotNetOpenAuth.Messaging(.UI) to DotNetOpenAuth.Core(.UI)
Diffstat (limited to 'src/DotNetOpenAuth.Core/Messaging/EmptyEnumerator.cs')
-rw-r--r-- | src/DotNetOpenAuth.Core/Messaging/EmptyEnumerator.cs | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/DotNetOpenAuth.Core/Messaging/EmptyEnumerator.cs b/src/DotNetOpenAuth.Core/Messaging/EmptyEnumerator.cs new file mode 100644 index 0000000..f37e3d4 --- /dev/null +++ b/src/DotNetOpenAuth.Core/Messaging/EmptyEnumerator.cs @@ -0,0 +1,65 @@ +//----------------------------------------------------------------------- +// <copyright file="EmptyEnumerator.cs" company="Andrew Arnott"> +// Copyright (c) Andrew Arnott. All rights reserved. +// </copyright> +//----------------------------------------------------------------------- + +namespace DotNetOpenAuth.Messaging { + using System.Collections; + + /// <summary> + /// An enumerator that always generates zero elements. + /// </summary> + internal class EmptyEnumerator : IEnumerator { + /// <summary> + /// The singleton instance of this empty enumerator. + /// </summary> + internal static readonly EmptyEnumerator Instance = new EmptyEnumerator(); + + /// <summary> + /// Prevents a default instance of the <see cref="EmptyEnumerator"/> class from being created. + /// </summary> + private EmptyEnumerator() { + } + + #region IEnumerator Members + + /// <summary> + /// Gets the current element in the collection. + /// </summary> + /// <value></value> + /// <returns> + /// The current element in the collection. + /// </returns> + /// <exception cref="T:System.InvalidOperationException"> + /// The enumerator is positioned before the first element of the collection or after the last element. + /// </exception> + public object Current { + get { return null; } + } + + /// <summary> + /// Advances the enumerator to the next element of the collection. + /// </summary> + /// <returns> + /// true if the enumerator was successfully advanced to the next element; false if the enumerator has passed the end of the collection. + /// </returns> + /// <exception cref="T:System.InvalidOperationException"> + /// The collection was modified after the enumerator was created. + /// </exception> + public bool MoveNext() { + return false; + } + + /// <summary> + /// Sets the enumerator to its initial position, which is before the first element in the collection. + /// </summary> + /// <exception cref="T:System.InvalidOperationException"> + /// The collection was modified after the enumerator was created. + /// </exception> + public void Reset() { + } + + #endregion + } +} |