protected void change(long nodeId, Object value)
throws IOException, IndexCapacityExceededException {
Fieldable encodedValue = documentStructure.encodeAsFieldable(value);
writer.updateDocument(
documentStructure.newQueryForChangeOrRemove(nodeId),
documentStructure.newDocumentRepresentingProperty(nodeId, encodedValue));
}
LuceneIndexAccessor(
LuceneDocumentStructure documentStructure,
IndexWriterFactory<ReservingLuceneIndexWriter> indexWriterFactory,
IndexWriterStatus writerStatus,
DirectoryFactory dirFactory,
File dirFile,
int bufferSizeLimit)
throws IOException {
this.documentStructure = documentStructure;
this.dirFile = dirFile;
this.bufferSizeLimit = bufferSizeLimit;
this.dir = dirFactory.open(dirFile);
this.writer = indexWriterFactory.create(dir);
this.writerStatus = writerStatus;
this.searcherManager = writer.createSearcherManager();
}
private void addRecovered(long nodeId, Object value)
throws IOException, IndexCapacityExceededException {
IndexSearcher searcher = searcherManager.acquire();
try {
TopDocs hits =
searcher.search(new TermQuery(documentStructure.newQueryForChangeOrRemove(nodeId)), 1);
if (hits.totalHits > 0) {
Fieldable encodedValue = documentStructure.encodeAsFieldable(value);
writer.updateDocument(
documentStructure.newQueryForChangeOrRemove(nodeId),
documentStructure.newDocumentRepresentingProperty(nodeId, encodedValue));
} else {
add(nodeId, value);
}
} finally {
searcherManager.release(searcher);
}
}
protected void remove(long nodeId) throws IOException {
writer.deleteDocuments(documentStructure.newQueryForChangeOrRemove(nodeId));
}
protected void add(long nodeId, Object value) throws IOException, IndexCapacityExceededException {
Fieldable encodedValue = documentStructure.encodeAsFieldable(value);
writer.addDocument(documentStructure.newDocumentRepresentingProperty(nodeId, encodedValue));
}