/**
* Delete a term document
*
* @param pictureId
* @param conf
* @throws IOException
*/
public static void delete(UUID pictureId, IndexWriterConfig conf) throws IOException {
/* create term to delete document */
Term term = new Term(DocumentBuilder.FIELD_NAME_IDENTIFIER, pictureId.toString());
for (FeatureEnumerate f : FeatureEnumerate.values()) {
deleteFromFeature(pictureId, term, f.getText(), conf);
}
}
/**
* Search a picture
*
* @param imageBytes
* @param maxHits
* @param feature
* @param pictures
* @return
* @throws IOException
*/
public static List<LirePictureSortable> search(
byte[] imageBytes, int maxHits, FeatureEnumerate feature, List<LirePictureSortable> pictures)
throws IOException {
File path = getPath(feature.getText());
log.debug("reading from indexed path " + path.getAbsolutePath());
List<LirePictureSortable> result = new ArrayList<>();
try {
IndexReader ir = DirectoryReader.open(FSDirectory.open(path));
ImageSearcher searcher = new GenericFastImageSearcher(maxHits, feature.getValueClass());
// searching with a image file ...
InputStream in = new ByteArrayInputStream(imageBytes);
ImageSearchHits hits = searcher.search(in, ir);
float score = 0.0F;
for (int i = 0; i < hits.length(); i++) {
score = hits.score(i);
LirePictureSortable lp =
new LirePictureSortable(
UUID.fromString(hits.doc(i).getValues(DocumentBuilder.FIELD_NAME_IDENTIFIER)[0]),
score,
feature);
/* check is its a picture was repeated by picture UUID */
if (pictures.contains(lp)) {
lp = pictures.get(pictures.indexOf(lp));
lp.addDescriptor(feature, score);
lp.addScore(score);
} else {
result.add(lp);
}
}
} catch (Exception e) {
e.printStackTrace();
}
return result;
}