public int getNumDocs() {
LuceneIndexReader reader = IndexReaderFactoryUtils.getIndexReader(indexFactory);
try {
return reader.numDocs();
} finally {
IndexReaderFactoryUtils.releaseIndexReader(indexFactory, reader);
}
}
public boolean hasDeletions() {
LuceneIndexReader reader = IndexReaderFactoryUtils.getIndexReader(indexFactory);
try {
return reader.hasDeletions();
} finally {
IndexReaderFactoryUtils.releaseIndexReader(indexFactory, reader);
}
}
public boolean isDeleted(int internalDocumentId) {
LuceneIndexReader reader = IndexReaderFactoryUtils.getIndexReader(indexFactory);
try {
return reader.isDeleted(internalDocumentId);
} finally {
IndexReaderFactoryUtils.releaseIndexReader(indexFactory, reader);
}
}
public Object read(ReaderCallback callback) {
LuceneIndexReader reader = IndexReaderFactoryUtils.getIndexReader(indexFactory);
try {
return callback.doWithReader(reader);
} catch (Exception ex) {
throw new LuceneIndexAccessException("Error during using the IndexReader.", ex);
} finally {
IndexReaderFactoryUtils.releaseIndexReader(indexFactory, reader);
}
}
public void undeleteDocuments() {
LuceneIndexReader reader = IndexReaderFactoryUtils.getIndexReader(indexFactory);
try {
reader.undeleteAll();
} catch (IOException ex) {
throw new LuceneIndexAccessException("Error during undeleting all documents.", ex);
} finally {
IndexReaderFactoryUtils.releaseIndexReader(indexFactory, reader);
}
}
public void deleteDocument(int internalDocumentId) {
LuceneIndexReader reader = IndexReaderFactoryUtils.getIndexReader(indexFactory);
try {
reader.deleteDocument(internalDocumentId);
} catch (IOException ex) {
throw new LuceneIndexAccessException("Error during deleting a document.", ex);
} finally {
IndexReaderFactoryUtils.releaseIndexReader(indexFactory, reader);
}
}
public void deleteDocuments(Term term) {
System.out.println("> indexFactory = " + indexFactory);
LuceneIndexReader reader = IndexReaderFactoryUtils.getIndexReader(indexFactory);
System.out.println("> reader = " + reader);
try {
reader.deleteDocuments(term);
} catch (IOException ex) {
throw new LuceneIndexAccessException("Error during deleting a document.", ex);
} finally {
IndexReaderFactoryUtils.releaseIndexReader(indexFactory, reader);
}
}
public void updateDocuments(
Term identifierTerm, DocumentsModifier documentsModifier, Analyzer analyzer) {
LuceneIndexReader reader = IndexReaderFactoryUtils.getIndexReader(indexFactory);
LuceneSearcher searcher = reader.createSearcher();
List updatedDocuments = null;
try {
LuceneHits hits = searcher.search(new TermQuery(identifierTerm));
updatedDocuments = documentsModifier.updateDocuments(hits);
} catch (Exception ex) {
throw new LuceneIndexAccessException("Error during updating a document.", ex);
} finally {
SearcherFactoryUtils.closeSearcher(searcher);
IndexReaderFactoryUtils.releaseIndexReader(indexFactory, reader);
}
deleteDocuments(identifierTerm);
addDocuments(updatedDocuments, analyzer);
}