CODEWITHSUNDEEP
javalucenexodus
Fireburn
Fireburn

Reputation: 1021

How to use Exodus Directory with Lucene?

I have this simple Lucene code:

Directory dir = FSDirectory.open(Paths.get("C:/temp/Lucene"));
Analyzer analyzer = new StandardAnalyzer();
IndexWriterConfig iwc = new IndexWriterConfig(analyzer);
iwc.setOpenMode(IndexWriterConfig.OpenMode.CREATE);
writer = new IndexWriter(dir, iwc);

How can I use Exodus Directory in Java instead of the FSDirectory?

Upvotes: 0

Views: 67

Answers (1)

Vyacheslav Lukianov
Vyacheslav Lukianov

Reputation: 2053

ExodusDirectory should be used atop of ContextualEnvironment:

ContextualEnvironment env = Environments.newContextualInstance(..);
ExodusDirectory dir = new ExodusDirectory(env, VfsConfig.DEFAULT, StoreConfig.WITHOUT_DUPLICATES_WITH_PREFIXING, new ExodusDirectoryConfig());
Analyzer analyzer = new StandardAnalyzer();
IndexWriterConfig iwc = new IndexWriterConfig(analyzer);
iwc.setOpenMode(IndexWriterConfig.OpenMode.CREATE);
writer = env.computeInTransaction(txn -> {
            try {
                return new IndexWriter(dir, iwc);
            } catch (IOException e) {
                return null;
            }
        });

Configuration parameters of ExodusDirectory can tuned, but StoreConfig.WITHOUT_DUPLICATES_WITH_PREFIXING is preferable for using.

Upvotes: 2

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