/// <summary>
/// Had to move azure role initialization here
/// See http://social.msdn.microsoft.com/Forums/en-US/windowsazuredevelopment/thread/10d042da-50b1-4930-b0c0-aff22e4144f9
/// and http://social.msdn.microsoft.com/Forums/en-US/windowsazuredevelopment/thread/ab6d56dc-154d-4aba-8bde-2b7f7df121c1/#89264b8c-7e25-455a-8fd6-20f547ab545b
/// </summary>
protected void Application_BeginRequest()
{
//-- Search index is updated every hour + time taken to build cache and index on the cache server
var indexNeedsUpdating = lastIndexRefresh.HasValue && lastIndexRefresh > DateTime.UtcNow.AddMinutes(65);
if (_initialized && !indexNeedsUpdating)
{
return;
}
lock (_gate)
{
if (!_initialized)
{
InitializeEnvironmentCacheAndSearchProviders();
_initialized = true;
}
else if (indexNeedsUpdating)
{
_siteSearchEngine.Dispose();
var connectionString = ConfigurationManager.ConnectionStrings["CfCloudStorage"].ConnectionString;
var cloudStorage = CloudStorageAccount.Parse(connectionString);
var dir = new Lucene.Net.Store.Azure.AzureDirectory(cloudStorage, "SearchCatalog", new RAMDirectory());
_siteSearchEngine = new CfLuceneIndexSearcher(dir);
Mail.MailMan.SendAppEvent(TraceCode.AppBuildSearchIndex, "Search index reloaded", "", Stgs.JskID, "*****@*****.**", false);
lastIndexRefresh = DateTime.UtcNow;
}
}
}
private void InitializeEnvironmentCacheAndSearchProviders()
{
CfTrace.Current.Information(TraceCode.AppBuildSearchIndex, "Started {0:MMM dd HH.mm.ss}", DateTime.Now);
if (!RoleEnvironment.IsAvailable)
{
CfCacheIndex.Initialize();
CfPerfCache.Initialize();
new SearchManager().BuildIndex(null);
var directoryPath = AppDomain.CurrentDomain.BaseDirectory + @"App_Data\";
var dir = Lucene.Net.Store.FSDirectory.Open(new System.IO.DirectoryInfo(directoryPath));
_siteSearchEngine = new CfLuceneIndexSearcher(dir);
}
else
{
CfCacheIndex.Initialize(new Level2MemcachedCacheIndex());
CfPerfCache.Initialize(new Level2MemcachedPerfCache());
var connectionString = ConfigurationManager.ConnectionStrings["CfCloudStorage"].ConnectionString;
var cloudStorage = CloudStorageAccount.Parse(connectionString);
var dir = new Lucene.Net.Store.Azure.AzureDirectory(cloudStorage, "SearchCatalog", new RAMDirectory());
_siteSearchEngine = new CfLuceneIndexSearcher(dir);
lastIndexRefresh = DateTime.UtcNow;
}
CfTrace.Current.Information(TraceCode.AppBuildSearchIndex, "Ended {0:MMM dd HH.mm.ss}", DateTime.Now);
}
