public void addSearcher(File luceneDir) {
if (isClosed.get()) return;
final Searcher searcher = SearcherFactory.getSearcher(luceneDir, searcherType);
try {
searcher.open();
this.clusterSearchers.add(searcher);
this.searchers.clear();
this.searchers.addAll(clusterSearchers);
if (extraSearchers != null) this.searchers.addAll(extraSearchers);
} catch (FileNotFoundException fnfe) {
// this means we didn't add anything to an index, which happens i.e. if we didn't have any
// asian (or non-asian) posts in a batch.
// so what we'll do is log it and ignore this index.
System.err.println(new Date() + ": WARNING : Ignoring empty index at '" + luceneDir + "'!");
} catch (IOException e) {
System.err.println(
new Date()
+ ": *** ERROR! "
+ luceneId
+ " can't open lucene searcher at '"
+ luceneDir
+ "'");
e.printStackTrace(System.err);
}
}
/**
* Expert: creates a searcher from the provided {@link IndexReader} using the provided {@link
* SearcherFactory}. NOTE: this decRefs incoming reader on throwing an exception.
*/
public static IndexSearcher getSearcher(
SearcherFactory searcherFactory, IndexReader reader, IndexReader previousReader)
throws IOException {
boolean success = false;
final IndexSearcher searcher;
try {
searcher = searcherFactory.newSearcher(reader, previousReader);
if (searcher.getIndexReader() != reader) {
throw new IllegalStateException(
"SearcherFactory must wrap exactly the provided reader (got "
+ searcher.getIndexReader()
+ " but expected "
+ reader
+ ")");
}
success = true;
} finally {
if (!success) {
reader.decRef();
}
}
return searcher;
}
@Override
public boolean start() {
mSearcher = SearcherFactory.createSearcher();
SearcherKit.init(mSearcher);
return true;
}
