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                         IIndexer indexer;
  57                         lock (indexer_table) {
  58                                 indexer = indexer_table [remote_request.RemoteIndexName] as IIndexer;
  59                                 if (indexer == null) {
  60                                         indexer = new LuceneIndexingDriver (remote_request.RemoteIndexName,
  61                                                                             remote_request.RemoteIndexMinorVersion);
  62                                         indexer_table [remote_request.RemoteIndexName] = indexer;
  63                                 }
  64                         }
  65
  66                         IndexerReceipt [] receipts = null;
  67                         if (remote_request.Request != null) // If we just want the item count, this will be null
  68                                 receipts = indexer.Flush (remote_request.Request);
  69
  70                         // Child indexables probably have streams
  71                         // associated with them.  We need to store them before
  72                         // sending them back to the daemon.
  73                         if (receipts != null) {
  74                                 foreach (IndexerReceipt r in receipts) {
  75                                         IndexerChildIndexablesReceipt cir;
  76                                         cir = r as IndexerChildIndexablesReceipt;
  77                                         if (cir != null) {
  78                                                 foreach (Indexable i in cir.Children) {
  79                                                         i.StoreStream ();
  80                                                         i.CloseStreams ();
  81                                                 }
  82                                         }
  83                                 }
  84                         }
  85
  86                         // Construct a response containing the item count and
  87                         // the receipts produced by the actual indexing.
  88                         RemoteIndexerResponse response = new RemoteIndexerResponse ();
  89                         response.ItemCount = indexer.GetItemCount ();
  90                         response.Receipts = receipts;
  91
  92                         ++Count;
  93
  94                         IndexHelperTool.ReportActivity ();
  95
  96                         return response;
  97                 }
  98         }
  99 }