2 * Copyright (C) 2001, 2002 The Mir-coders group
4 * This file is part of Mir.
6 * Mir is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Mir is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with Mir; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * In addition, as a special exception, The Mir-coders gives permission to link
21 * the code of this program with any library licensed under the Apache Software License,
22 * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
23 * (or with modified versions of the above that use the same license as the above),
24 * and distribute linked combinations including the two. You must obey the
25 * GNU General Public License in all respects for all of the code used other than
26 * the above mentioned libraries. If you modify this file, you may extend this
27 * exception to your version of the file, but you are not obligated to do so.
28 * If you do not wish to do so, delete this exception statement from your version.
30 package mircoders.producer;
32 import mir.entity.Entity;
33 import mir.entity.adapter.EntityAdapter;
34 import mir.producer.ProducerFailure;
35 import mir.producer.ProducerNode;
36 import mir.producer.ProductionContext;
37 import mir.util.FileRoutines;
38 import mir.util.ParameterExpander;
39 import mircoders.entity.EntityContent;
40 import mircoders.search.IndexUtil;
45 * UnIndexingProducerNode is one of the 2 producer nodes that works on
46 * the search index db. There's IndexingProducerNode and
47 * UnIndexingProducerNode. The first one adds/updates an article to
48 * the search index the second one removes an article
50 public class UnIndexingProducerNode implements ProducerNode {
51 private String contentKey;
52 private String indexPath;
53 private File indexBasePath;
55 public UnIndexingProducerNode(File anIndexBasePath, String aContentKey, String pathToIndex) {
56 contentKey = aContentKey;
57 indexPath=pathToIndex;
58 indexBasePath = anIndexBasePath;
61 public void produce(ProductionContext aProductionContext) throws ProducerFailure {
69 startTime = System.currentTimeMillis();
72 indexFile = FileRoutines.getAbsoluteOrRelativeFile(indexBasePath,
73 ParameterExpander.expandExpression(aProductionContext.getValueSet(), indexPath));
75 data = ParameterExpander.findValueForKey(aProductionContext.getValueSet(), contentKey);
77 if (! (data instanceof EntityAdapter)) {
78 throw new ProducerFailure("UnIndexingProducerNode: value of '"+contentKey+"' is not an EntityAdapter, but an " + data.getClass().getName(), null);
81 entity = ((EntityAdapter) data).getEntity();
82 if (! (entity instanceof EntityContent)) {
83 throw new ProducerFailure("UnIndexingProducerNode: value of '"+contentKey+"' is not a content EntityAdapter, but a " + entity.getClass().getName() + " adapter", null);
85 aProductionContext.getLogger().info("UnIndexing " + entity.getFieldValue("id") + " out of " + indexFile.getAbsolutePath());
87 IndexUtil.unindexEntity((EntityContent) entity, indexFile);
90 aProductionContext.getLogger().error("Error while unindexing content: " + t.getMessage(), t);
93 endTime = System.currentTimeMillis();
95 aProductionContext.getLogger().info(" UnIndexTime: " + (endTime-startTime) + " ms<br>");