public void init(IndexUpdater indexUpdater, IndexRebuilder indexRebuilder, XWikiContext context) {
super.init(context);
try {
@SuppressWarnings("unchecked")
Class<? extends Analyzer> clazz =
(Class<? extends Analyzer>)
Class.forName(context.getWiki().Param(PROP_ANALYZER, DEFAULT_ANALYZER));
this.analyzer = clazz.getConstructor(Version.class).newInstance(Version.LUCENE_36);
} catch (Exception e) {
LOGGER.error("Error instantiating analyzer: {}", e.getMessage());
LOGGER.warn("Using default analyzer class: " + DEFAULT_ANALYZER);
try {
@SuppressWarnings("unchecked")
Class<? extends Analyzer> clazz =
(Class<? extends Analyzer>) Class.forName(DEFAULT_ANALYZER);
this.analyzer = clazz.getConstructor(Version.class).newInstance(Version.LUCENE_36);
} catch (Exception e1) {
throw new RuntimeException(
"Instantiation of default analyzer " + DEFAULT_ANALYZER + " failed", e1);
}
}
Map<String, Analyzer> specialAnalyzers = new HashMap<String, Analyzer>();
Analyzer preserve = new KeywordAnalyzer();
specialAnalyzers.put(IndexFields.DOCUMENT_EXACTSPACE, preserve);
specialAnalyzers.put(IndexFields.DOCUMENT_WIKI, preserve);
specialAnalyzers.put(IndexFields.DOCUMENT_TYPE, preserve);
specialAnalyzers.put(IndexFields.DOCUMENT_LANGUAGE, preserve);
this.analyzer = new PerFieldAnalyzerWrapper(this.analyzer, specialAnalyzers);
LOGGER.debug("Assigning index updater: {}", indexUpdater);
if (this.indexDirs == null) {
this.indexDirs = context.getWiki().Param(PROP_INDEX_DIR);
if (StringUtils.isEmpty(this.indexDirs)) {
File workDir = getLuceneWorkDirectory();
this.indexDirs = workDir.getAbsolutePath();
}
}
this.indexUpdater = indexUpdater;
this.indexUpdater.setAnalyzer(this.analyzer);
this.indexUpdaterThread = new Thread(indexUpdater, "Lucene Index Updater");
this.indexUpdaterThread.start();
this.indexRebuilder = indexRebuilder;
openIndexReaders(context);
// Register the Index Updater as an Event Listener so that modified documents/attachments are
// added to the
// Lucene indexing queue.
// If the Index Updater is already registered don't do anything.
ObservationManager observationManager = Utils.getComponent(ObservationManager.class);
if (observationManager.getListener(indexUpdater.getName()) == null) {
observationManager.addListener(indexUpdater);
}
LOGGER.debug("Lucene plugin initialized.");
}
public void init(IndexUpdater indexUpdater, XWikiContext context) {
Directory directory = indexUpdater.getDirectory();
boolean needInitialRebuild = true;
needInitialRebuild = !DirectoryReader.indexExists(directory);
IndexRebuilder indexRebuilder = new IndexRebuilder(indexUpdater, context);
if (needInitialRebuild) {
indexRebuilder.startRebuildIndex(context);
LOGGER.info("Launched initial lucene indexing");
}
init(indexUpdater, indexRebuilder, context);
}
