private ActionResult Rss(RavenQueryStatistics stats, IEnumerable<Post> posts)
{
string requestETagHeader = Request.Headers["If-None-Match"] ?? string.Empty;
var responseETagHeader = stats.Timestamp.ToString("o");
if (requestETagHeader == responseETagHeader)
return HttpNotModified();
var rss = new XDocument(
new XElement("rss",
new XAttribute("version", "2.0"),
new XElement("channel",
new XElement("title", GetBlogTitle()),
new XElement("link", Request.ApplicationPath),
new XElement("description", GetBlogTitle()),
new XElement("copyright", String.Format("{0} (c) {1}", GetBlogCopyright(), DateTime.Now.Year)),
new XElement("ttl", "60"),
from post in posts
select new XElement("item",
new XElement("title", post.Title),
new XElement("description", post.Body),
new XElement("link", GetPostLink(post)),
new XElement("pubDate", post.PublishAt.ToString("R"))
)
)
)
);
return Xml(rss, responseETagHeader);
}
public void Getting_Statistics_From_A_Query()
{
using (var session = Store.OpenSession())
{
var stats = new RavenQueryStatistics();
var contacts = session.Query<Employee>()
.Statistics(out stats)
.Where(x => x.Email == "*****@*****.**")
.ToList();
Console.Out.WriteLine(stats.IndexName);
Console.Out.WriteLine(stats.IsStale);
}
}
/// <summary>
/// Creates a dynamic query provider around the provided document session
/// </summary>
public DynamicRavenQueryProvider(
IDocumentQueryGenerator queryGenerator,
string indexName,
RavenQueryStatistics ravenQueryStatistics
#if !SILVERLIGHT
, IDatabaseCommands databaseCommands
#endif
#if !NET_3_5
, IAsyncDatabaseCommands asyncDatabaseCommands
#endif
)
{
FieldsToFetch = new HashSet <string>();
this.queryGenerator = queryGenerator;
this.indexName = indexName;
this.ravenQueryStatistics = ravenQueryStatistics;
#if !SILVERLIGHT
this.databaseCommands = databaseCommands;
#endif
#if !NET_3_5
this.asyncDatabaseCommands = asyncDatabaseCommands;
#endif
}
/// <summary>
/// Provide statistics about the query, such as total count of matching records
/// </summary>
public IRavenQueryable <T> Statistics(out RavenQueryStatistics stats)
{
stats = queryStats;
return(this);
}
private bool CheckEtag(RavenQueryStatistics stats, out string responseETagHeader)
{
string requestETagHeader = Request.Headers["If-None-Match"] ?? string.Empty;
responseETagHeader = stats.Timestamp.ToString("o") + EtagInitValue;
return requestETagHeader == responseETagHeader;
}
