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.log.LoggerWrapper;
35 import mir.producer.ProducerFailure;
36 import mir.producer.ProducerNode;
37 import mir.producer.ProductionContext;
38 import mir.util.FileRoutines;
39 import mir.util.ParameterExpander;
40 import mircoders.entity.EntityContent;
41 import mircoders.search.IndexUtil;
46 * UnIndexingProducerNode is one of the 2 producer nodes that works on
47 * the search index db. There's IndexingProducerNode and
48 * UnIndexingProducerNode. The first one adds/updates an article to
49 * the search index the second one removes an article
51 public class UnIndexingProducerNode implements ProducerNode {
52 private String contentKey;
53 private String indexPath;
54 private File indexBasePath;
56 public UnIndexingProducerNode(File anIndexBasePath, String aContentKey, String pathToIndex) {
57 contentKey = aContentKey;
58 indexPath=pathToIndex;
59 indexBasePath = anIndexBasePath;
62 public void produce(ProductionContext aProductionContext) throws ProducerFailure {
70 startTime = System.currentTimeMillis();
73 indexFile = FileRoutines.getAbsoluteOrRelativeFile(indexBasePath,
74 ParameterExpander.expandExpression(aProductionContext.getValueSet(), indexPath));
76 data = ParameterExpander.findValueForKey(aProductionContext.getValueSet(), contentKey);
78 if (! (data instanceof EntityAdapter)) {
79 throw new ProducerFailure("UnIndexingProducerNode: value of '"+contentKey+"' is not an EntityAdapter, but an " + data.getClass().getName(), null);
82 entity = ((EntityAdapter) data).getEntity();
83 if (! (entity instanceof EntityContent)) {
84 throw new ProducerFailure("UnIndexingProducerNode: value of '"+contentKey+"' is not a content EntityAdapter, but a " + entity.getClass().getName() + " adapter", null);
86 aProductionContext.getLogger().info("UnIndexing " + entity.getFieldValue("id") + " out of " + indexFile.getAbsolutePath());
88 IndexUtil.unindexEntity((EntityContent) entity, indexFile);
91 aProductionContext.getLogger().error("Error while unindexing content: " + t.getMessage());
92 t.printStackTrace(aProductionContext.getLogger().asPrintWriter(LoggerWrapper.DEBUG_MESSAGE));
95 endTime = System.currentTimeMillis();
97 aProductionContext.getLogger().info(" UnIndexTime: " + (endTime-startTime) + " ms<br>");