public BeaglePlugin()
{
server = Daemon.Server;
db = Daemon.DefaultDatabase;
log = Daemon.Log;
query = new Query ();
query.AddDomain (QueryDomain.Neighborhood);
query.MaxHits = 10000;
QueryPart_Property filePart = new QueryPart_Property ();
filePart.Type = PropertyType.Keyword;
filePart.Key = "beagle:HitType";
filePart.Value = "File";
query.AddPart (filePart);
QueryPart_Or queryUnion = new QueryPart_Or ();
foreach (string mt in supportedMimeTypes) {
QueryPart_Property part = new QueryPart_Property ();
part.Type = PropertyType.Keyword;
part.Key = "beagle:MimeType";
part.Value = mt;
queryUnion.Add (part);
}
query.AddPart (queryUnion);
query.HitsAddedEvent += OnHitsAdded;
query.HitsSubtractedEvent += OnHitsSubtracted;
query.FinishedEvent += OnFinished;
int attempts = 0;
while (true) {
try {
query.SendAsync ();
break;
} catch (Exception e) {
if (attempts++ >= 5) {
log.Warn ("Failed to initialize beagle plugin");
query = null;
break;
}
// something bad happened, wait a sec and try again
log.Debug ("Sending query failed: " + e.Message);
log.Debug ("Waiting 3 seconds...");
Thread.Sleep (3000);
}
}
}
public string doQuery(webArgs wargs)
{
if (wargs.sessId == null || wargs.searchString == null || wargs.searchString == "")
return NO_RESULTS;
log.Debug("WebBackEnd: Got Search String: " + wargs.searchString);
Query query = new Query();
query.AddText (wargs.searchString);
if (wargs.searchSource != null && wargs.searchSource != "")
{
query.AddSource(wargs.searchSource);
query.AddDomain(QueryDomain.System);
}
else
query.AddDomain (wargs.globalSearch ? QueryDomain.Global:QueryDomain.System);
QueryResult qres = new QueryResult ();
//Note: QueryDriver.DoQuery() local invocation is used.
//The root tile is used only for adding hits and generating html.
BT.SimpleRootTile root = new BT.SimpleRootTile ();
root.Query = query;
//root.SetSource (searchSource); Do not SetSource on root!
ResultPair rp = new ResultPair(root);
bufferRenderContext bctx = new bufferRenderContext(rp);
Resp resp = new Resp(rp, bctx, wargs.isLocalReq);
AttachQueryResult (qres, resp);
//Add sessionId-Resp mapping
if (sessionResp.Contains(wargs.sessId))
sessionResp[wargs.sessId] = resp;
else
sessionResp.Add(wargs.sessId, resp);
log.Info("WebBackEnd: Starting Query for string \"{0}\"", wargs.searchString);
QueryDriver.DoQueryLocal (query, qres);
//Wait only till we have enough results to display
while ((result.Contains(qres)) &&
(root.HitCollection.NumResults < 10))
Thread.Sleep(100);
if (root.HitCollection.IsEmpty)
return NO_RESULTS;
lock (root) {
root.Render(bctx);
return (getResultsLabel(root) + (wargs.isLocalReq ? bctx.buffer:bctx.bufferForExternalQuery));
}
}
private void Search (String searchString)
{
entry.Text = searchString;
StoreSearch (searchString);
if (query != null) {
try { DetachQuery (); } catch (ObjectDisposedException e) {}
}
query = new Query ();
query.AddDomain (QueryDomain.Neighborhood);
// FIXME: Disable non-local searching for now.
//query.AddDomain (QueryDomain.Global);
query.AddText (searchString);
root.SetSource (hit_type);
AttachQuery ();
root.Query = query;
root.Start ();
StartQuery ();
UpdatePage ();
}
