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Posted to commits@lucenenet.apache.org by ni...@apache.org on 2017/07/13 18:38:26 UTC
[2/2] lucenenet git commit: API: Lucene.Net.Support.Document: Added
extension methods to make casting to the correct field type simpler.
API: Lucene.Net.Support.Document: Added extension methods to make casting to the correct field type simpler.
Project: http://git-wip-us.apache.org/repos/asf/lucenenet/repo
Commit: http://git-wip-us.apache.org/repos/asf/lucenenet/commit/e694ee94
Tree: http://git-wip-us.apache.org/repos/asf/lucenenet/tree/e694ee94
Diff: http://git-wip-us.apache.org/repos/asf/lucenenet/diff/e694ee94
Branch: refs/heads/master
Commit: e694ee94f57ab8ceff5747760f99cd9b8505aa4c
Parents: 559efc7
Author: Shad Storhaug <sh...@shadstorhaug.com>
Authored: Fri Jul 14 01:34:03 2017 +0700
Committer: Shad Storhaug <sh...@shadstorhaug.com>
Committed: Fri Jul 14 01:38:03 2017 +0700
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src/Lucene.Net/Document/Document.cs | 2 +-
src/Lucene.Net/Lucene.Net.csproj | 1 +
.../Support/Document/DocumentExtensions.cs | 39 ++++++++++++++++++++
3 files changed, 41 insertions(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/lucenenet/blob/e694ee94/src/Lucene.Net/Document/Document.cs
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diff --git a/src/Lucene.Net/Document/Document.cs b/src/Lucene.Net/Document/Document.cs
index d19f874..e67946f 100644
--- a/src/Lucene.Net/Document/Document.cs
+++ b/src/Lucene.Net/Document/Document.cs
@@ -192,7 +192,7 @@ namespace Lucene.Net.Documents
/// <summary>
/// Returns an array of <see cref="IIndexableField"/>s with the given name.
- /// this method returns an empty array when there are no
+ /// This method returns an empty array when there are no
/// matching fields. It never returns <c>null</c>.
/// </summary>
/// <param name="name"> the name of the field </param>
http://git-wip-us.apache.org/repos/asf/lucenenet/blob/e694ee94/src/Lucene.Net/Lucene.Net.csproj
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diff --git a/src/Lucene.Net/Lucene.Net.csproj b/src/Lucene.Net/Lucene.Net.csproj
index ff96872..d2b8e6e 100644
--- a/src/Lucene.Net/Lucene.Net.csproj
+++ b/src/Lucene.Net/Lucene.Net.csproj
@@ -394,6 +394,7 @@
<Compile Include="Index\TwoStoredFieldsConsumers.cs" />
<Compile Include="Index\UpgradeIndexMergePolicy.cs" />
<Compile Include="LucenePackage.cs" />
+ <Compile Include="Support\Document\DocumentExtensions.cs" />
<Compile Include="Support\IO\Compression\LZOCompressor.cs" />
<Compile Include="Properties\AssemblyInfo.cs" />
<Compile Include="Search\AutomatonQuery.cs" />
http://git-wip-us.apache.org/repos/asf/lucenenet/blob/e694ee94/src/Lucene.Net/Support/Document/DocumentExtensions.cs
----------------------------------------------------------------------
diff --git a/src/Lucene.Net/Support/Document/DocumentExtensions.cs b/src/Lucene.Net/Support/Document/DocumentExtensions.cs
new file mode 100644
index 0000000..c04dc21
--- /dev/null
+++ b/src/Lucene.Net/Support/Document/DocumentExtensions.cs
@@ -0,0 +1,39 @@
+using Lucene.Net.Index;
+using System.Linq;
+
+namespace Lucene.Net.Documents
+{
+ /// <summary>
+ /// Extension methods to the <see cref="Document"/> class.
+ /// </summary>
+ public static class DocumentExtensions
+ {
+ /// <summary>
+ /// Returns a field with the given name if any exist in this document cast to type <typeparam name="T"/>, or
+ /// <c>null</c>. If multiple fields exists with this name, this method returns the
+ /// first value added.
+ /// <para/>
+ /// LUCENENET specific
+ /// </summary>
+ /// <exception cref="InvalidCastException">If the field type cannot be cast to <typeparam name="T"/>.</exception>
+ public static T GetField<T>(this Document document, string name) where T : IIndexableField
+ {
+ return (T)document.GetField(name);
+ }
+
+ /// <summary>
+ /// Returns an array of <see cref="IIndexableField"/>s with the given name, cast to type <typeparam name="T"/>.
+ /// This method returns an empty array when there are no
+ /// matching fields. It never returns <c>null</c>.
+ /// <para/>
+ /// LUCENENET specific
+ /// </summary>
+ /// <param name="name"> the name of the field </param>
+ /// <returns> a <see cref="T:IndexableField[]"/> array </returns>
+ /// <exception cref="InvalidCastException">If the field type cannot be cast to <typeparam name="T"/>.</exception>
+ public static T[] GetFields<T>(this Document document, string name) where T : IIndexableField
+ {
+ return document.GetFields(name).Cast<T>().ToArray();
+ }
+ }
+}