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.Util;
  32 using Beagle.Daemon;
  33
  34 namespace Beagle.IndexHelper {
  35
  36         [RequestMessage (typeof (RemoteIndexerRequest))]
  37         public class RemoteIndexerExecutor : RequestMessageExecutor {
  38
  39                 static public int Count = 0;
  40                 static Hashtable indexer_table = new Hashtable ();
  41
  42                 Indexable[] child_indexables;
  43                 FilteredStatus[] uris_filtered;
  44
  45                 public override ResponseMessage Execute (RequestMessage raw_request)
  46                 {
  47                         RemoteIndexerRequest remote_request = (RemoteIndexerRequest) raw_request;
  48
  49                         IndexHelperTool.ReportActivity ();
  50
  51                         // Find the appropriate driver for this request.
  52                         IIndexer indexer;
  53                         lock (indexer_table) {
  54                                 indexer = indexer_table [remote_request.RemoteIndexName] as IIndexer;
  55                                 if (indexer == null) {
  56                                         indexer = new LuceneIndexingDriver (remote_request.RemoteIndexName,
  57                                                                             remote_request.RemoteIndexMinorVersion);
  58                                         indexer_table [remote_request.RemoteIndexName] = indexer;
  59                                 }
  60                         }
  61
  62                         IndexerReceipt [] receipts = null;
  63                         if (remote_request.Request != null) // If we just want the item count, this will be null
  64                                 receipts = indexer.Flush (remote_request.Request);
  65
  66                         // Child indexables probably have streams
  67                         // associated with them.  We need to store them before
  68                         // sending them back to the daemon.
  69                         if (receipts != null) {
  70                                 foreach (IndexerReceipt r in receipts) {
  71                                         IndexerChildIndexablesReceipt cir;
  72                                         cir = r as IndexerChildIndexablesReceipt;
  73                                         if (cir != null) {
  74                                                 foreach (Indexable i in cir.Children)
  75                                                         i.StoreStream ();
  76                                         }
  77                                 }
  78                         }
  79
  80                         // Construct a response containing the item count and
  81                         // the receipts produced by the actual indexing.
  82                         RemoteIndexerResponse response = new RemoteIndexerResponse ();
  83                         response.ItemCount = indexer.GetItemCount ();
  84                         response.Receipts = receipts;
  85
  86                         ++Count;
  87
  88                         IndexHelperTool.ReportActivity ();
  89
  90                         return response;
  91                 }
  92         }
  93 }