beagled/IndexHelper/RemoteIndexerExecutor.cs

   1 //
   2 // RemoteIndexerExecutor.cs
   3 //
   4 // Copyright (C) 2005 Novell, Inc.
   5 //
   6
   7 //
   8 // Permission is hereby granted, free of charge, to any person obtaining a
   9 // copy of this software and associated documentation files (the "Software"),
  10 // to deal in the Software without restriction, including without limitation
  11 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
  12 // and/or sell copies of the Software, and to permit persons to whom the
  13 // Software is furnished to do so, subject to the following conditions:
  14 //
  15 // The above copyright notice and this permission notice shall be included in
  16 // all copies or substantial portions of the Software.
  17 //
  18 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  21 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  22 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  23 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  24 // DEALINGS IN THE SOFTWARE.
  25 //
  26
  27 using System;
  28 using System.Collections;
  29 using System.Xml.Serialization;
  30
  31 using Beagle;
  32 using Beagle.Util;
  33 using Beagle.Daemon;
  34
  35 // Register the executor class
  36 [assembly: RequestMessageExecutorTypes (typeof (Beagle.IndexHelper.RemoteIndexerExecutor))]
  37
  38 namespace Beagle.IndexHelper {
  39
  40         [RequestMessage (typeof (RemoteIndexerRequest))]
  41         public class RemoteIndexerExecutor : RequestMessageExecutor {
  42
  43                 static public int Count = 0;
  44                 static Hashtable indexer_table = new Hashtable ();
  45
  46                 Indexable[] child_indexables;
  47                 FilteredStatus[] uris_filtered;
  48
  49                 public override ResponseMessage Execute (RequestMessage raw_request)
  50                 {
  51                         RemoteIndexerRequest remote_request = (RemoteIndexerRequest) raw_request;
  52
  53                         IndexHelperTool.ReportActivity ();
  54
  55                         // Find the appropriate driver for this request.
  56                         LuceneIndexingDriver indexer;
  57                         lock (indexer_table) {
  58                                 indexer = (LuceneIndexingDriver) indexer_table [remote_request.RemoteIndexName];
  59
  60                                 if (indexer == null) {
  61                                         indexer = new LuceneIndexingDriver (remote_request.RemoteIndexName,
  62                                                                             remote_request.RemoteIndexMinorVersion);
  63                                         indexer_table [remote_request.RemoteIndexName] = indexer;
  64
  65                                         indexer.FileFilterNotifier += delegate (Uri display_uri, Filter filter) {
  66                                                 IndexHelperTool.ReportActivity ();
  67                                                 IndexHelperTool.CurrentUri = display_uri;
  68                                                 IndexHelperTool.CurrentFilter = filter;
  69                                         };
  70                                 }
  71                         }
  72
  73                         IndexerReceipt [] receipts = null;
  74                         if (remote_request.Request != null) // If we just want the item count, this will be null
  75                                 receipts = indexer.Flush (remote_request.Request);
  76
  77                         // Child indexables probably have streams
  78                         // associated with them.  We need to store them before
  79                         // sending them back to the daemon.
  80                         if (receipts != null) {
  81                                 foreach (IndexerReceipt r in receipts) {
  82                                         IndexerChildIndexablesReceipt cir;
  83                                         cir = r as IndexerChildIndexablesReceipt;
  84                                         if (cir != null) {
  85                                                 foreach (Indexable i in cir.Children) {
  86                                                         i.StoreStream ();
  87                                                         i.CloseStreams ();
  88                                                 }
  89                                         }
  90                                 }
  91                         }
  92
  93                         // Construct a response containing the item count and
  94                         // the receipts produced by the actual indexing.
  95                         RemoteIndexerResponse response = new RemoteIndexerResponse ();
  96                         response.ItemCount = indexer.GetItemCount ();
  97                         response.Receipts = receipts;
  98
  99                         ++Count;
 100
 101                         IndexHelperTool.ReportActivity ();
 102
 103                         return response;
 104                 }
 105         }
 106 }