Quoting Andrzej Bialecki <[EMAIL PROTECTED]>:
> Regarding Luke - actually, it would not be so difficult to implement
> this (at least for me ;-) ). Save for some minor exceptions, Luke opens
> an IndexReader once, and I could add another version of the Open dialog
> to use open multiple indexes.
>
> (I can't promise, however, to do it quickly - I'm finalizing a couple of
> projects now, so this has to wait a bit...)
No worries, I figured it out. You see, I have already written the following two
methods that would recursively search a base directory for lucene indexes, and
then automatically return either an IndexSearcher or MultiSearcher depending on
how many indexes were found. I just need to make a pair of similar methods for
creating Readers and I'm done.
public Searcher getSearcher(String path) throws IOException {
ArrayList searchers = getSearcherImpl(new File(path), new ArrayList());
if (searchers.size() == 0) return null;
else if (searchers.size() == 1) return (Searcher)searchers.get(0);
else {
Searcher array[] = new Searcher[searchers.size()];
System.out.println("Creating MultiSearcher (" + array.length + ")");
array = (Searcher[])searchers.toArray(array);
return new MultiSearcher(array);
}
}
protected ArrayList getSearcherImpl(File file, ArrayList searchers) throws
IOException {
if (file.isDirectory()) {
File files[] = file.listFiles();
for (int i = 0; i < files.length; i++) {
if (files[i].isDirectory()) {
searchers = getSearcherImpl(files[i], searchers);
}
else if (files[i].getName().equalsIgnoreCase("segments")) {
System.out.println("Index Found: " + file.getPath());
searchers.add(new IndexSearcher(file.getPath()));
}
}
}
return searchers;
}
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