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Store index settings on local file system instead of db, for farm scenarios

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--HG--
branch : dev
This commit is contained in:
Sebastien Ros
2010-06-04 16:29:50 -07:00
parent 91a63dddb8
commit d93c9274c8
8 changed files with 95 additions and 98 deletions
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46
src/Orchard.Web/Core/Indexing/Lucene/DefaultIndexProvider.cs
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@@ -13,6 +13,7 @@ using Orchard.Indexing;
using Directory = Lucene.Net.Store.Directory;
using Version = Lucene.Net.Util.Version;
using Orchard.Logging;
using System.Xml.Linq;
namespace Orchard.Core.Indexing.Lucene {
/// <summary>
@@ -24,6 +25,9 @@ namespace Orchard.Core.Indexing.Lucene {
public static readonly Version LuceneVersion = Version.LUCENE_29;
private readonly Analyzer _analyzer = new StandardAnalyzer(LuceneVersion);
private readonly string _basePath;
public static readonly DateTime DefaultMinDateTime = new DateTime(1980, 1, 1);
public static readonly string Settings = "Settings";
public static readonly string LastIndexUtc = "LastIndexedUtc";
public ILogger Logger { get; set; }
@@ -37,6 +41,10 @@ namespace Orchard.Core.Indexing.Lucene {
Logger = NullLogger.Instance;
// Ensures the directory exists
EnsureDirectoryExists();
}
private void EnsureDirectoryExists() {
var directory = new DirectoryInfo(_appDataFolder.MapPath(_basePath));
if(!directory.Exists) {
directory.Create();
@@ -72,6 +80,11 @@ namespace Orchard.Core.Indexing.Lucene {
public void DeleteIndex(string indexName) {
new DirectoryInfo(Path.Combine(_appDataFolder.MapPath(Path.Combine(_basePath, indexName))))
.Delete(true);
var settingsFileName = GetSettingsFileName(indexName);
if(File.Exists(settingsFileName)) {
File.Delete(settingsFileName);
}
}
public void Store(string indexName, IIndexDocument indexDocument) {
@@ -148,5 +161,38 @@ namespace Orchard.Core.Indexing.Lucene {
return new DefaultSearchBuilder(GetDirectory(indexName));
}
private string GetSettingsFileName(string indexName) {
return Path.Combine(_appDataFolder.MapPath(_basePath), indexName + ".settings.xml");
}
public DateTime GetLastIndexUtc(string indexName) {
var settingsFileName = GetSettingsFileName(indexName);
return File.Exists(settingsFileName)
? DateTime.Parse(XDocument.Load(settingsFileName).Descendants(LastIndexUtc).First().Value)
: DefaultMinDateTime;
}
public void SetLastIndexUtc(string indexName, DateTime lastIndexUtc) {
if ( lastIndexUtc < DefaultMinDateTime ) {
lastIndexUtc = DefaultMinDateTime;
}
XDocument doc;
var settingsFileName = GetSettingsFileName(indexName);
if ( !File.Exists(settingsFileName) ) {
EnsureDirectoryExists();
doc = new XDocument(
new XElement(Settings,
new XElement(LastIndexUtc, lastIndexUtc.ToString("s"))));
}
else {
doc = XDocument.Load(settingsFileName);
doc.Element(Settings).Element(LastIndexUtc).Value = lastIndexUtc.ToString("s");
}
doc.Save(settingsFileName);
}
}
}