/**
* Add a file to the Lucene index (and generate a xref file)
*
* @param file The file to add
* @param path The path to the file (from source root)
* @throws java.io.IOException if an error occurs
*/
private void addFile(File file, String path) throws IOException {
try (InputStream in = new BufferedInputStream(new FileInputStream(file))) {
FileAnalyzer fa = AnalyzerGuru.getAnalyzer(in, path);
for (IndexChangedListener listener : listeners) {
listener.fileAdd(path, fa.getClass().getSimpleName());
}
fa.setCtags(ctags);
fa.setProject(Project.getProject(path));
Document d;
try {
d = analyzerGuru.getDocument(file, in, path, fa);
} catch (Exception e) {
log.log(
Level.INFO,
"Skipped file ''{0}'' because the analyzer didn''t " + "understand it.",
path);
StringBuilder stack = new StringBuilder();
for (StackTraceElement ste : e.getStackTrace()) {
stack.append(ste.toString()).append(System.lineSeparator());
}
StringBuilder sstack = new StringBuilder();
for (Throwable t : e.getSuppressed()) {
for (StackTraceElement ste : t.getStackTrace()) {
sstack.append(ste.toString()).append(System.lineSeparator());
}
}
log.log(
Level.FINE,
"Exception from analyzer {0}: {1} {2}{3}{4}{5}{6}",
new String[] {
fa.getClass().getName(),
e.toString(),
System.lineSeparator(),
stack.toString(),
System.lineSeparator(),
sstack.toString()
});
return;
}
writer.addDocument(d, fa);
Genre g = fa.getFactory().getGenre();
if (xrefDir != null && (g == Genre.PLAIN || g == Genre.XREFABLE)) {
File xrefFile = new File(xrefDir, path);
// If mkdirs() returns false, the failure is most likely
// because the file already exists. But to check for the
// file first and only add it if it doesn't exists would
// only increase the file IO...
if (!xrefFile.getParentFile().mkdirs()) {
assert xrefFile.getParentFile().exists();
}
fa.writeXref(xrefDir, path);
}
setDirty();
for (IndexChangedListener listener : listeners) {
listener.fileAdded(path, fa.getClass().getSimpleName());
}
}
}
public String toString(String field) {
StringBuilder sb = new StringBuilder();
sb.append("score_child[")
.append(childType)
.append("/")
.append(parentType)
.append("](")
.append(originalChildQuery.toString(field))
.append(')');
sb.append(ToStringUtils.boost(getBoost()));
return sb.toString();
}
/**
* Provides basic search functions ...
*
* @param img
* @param indexPath
* @return
* @throws IOException
*/
public TopDocs search(BufferedImage img, String indexPath) throws IOException {
ImageSearcher searcher =
new GenericImageSearcher(numReferenceObjectsUsed, featureClass, featureFieldName);
ImageSearchHits hits =
searcher.search(img, DirectoryReader.open(FSDirectory.open(new File(indexPath + "-ro"))));
StringBuilder sb = new StringBuilder(numReferenceObjectsUsed * 4);
for (int j = 0; j < numReferenceObjectsUsed; j++) {
sb.append(hits.doc(j).getValues("ro-id")[0]);
sb.append(' ');
}
return scoreDocs(sb.toString(), DirectoryReader.open(FSDirectory.open(new File(indexPath))));
}
public static Terms getTermVector(
int docId, String fieldname, SolrIndexSearcher solrIndexSearcher) throws JATEException {
try {
Terms vector = solrIndexSearcher.getLeafReader().getTermVector(docId, fieldname);
if (vector == null) throw new JATEException("Cannot find expected field: " + fieldname);
return vector;
} catch (IOException ioe) {
StringBuilder sb =
new StringBuilder(
String.format("Cannot find expected field: %s. Error stacktrack:\n", fieldname));
sb.append(org.apache.commons.lang.exception.ExceptionUtils.getFullStackTrace(ioe));
throw new JATEException(sb.toString());
}
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder("name: ").append(name).append(" tv_with:");
if (storedPayloads) {
sb.append("payloads,");
}
if (storedOffset) {
sb.append("offsets,");
}
if (storedPositions) {
sb.append("positions,");
}
return sb.toString();
}
@Override
public String toString() {
StringBuilder sb =
new StringBuilder("index:")
.append(index)
.append(" type:")
.append(type)
.append(" id:")
.append(id);
for (int i = 0; i < fieldSettings.length; i++) {
TestFieldSetting f = fieldSettings[i];
sb.append("\n").append("Field: ").append(f).append("\n content:").append(fieldContent[i]);
}
sb.append("\n");
return sb.toString();
}
/**
* Provides basic search functions ...
*
* @param d
* @param indexPath
* @return
* @throws IOException
*/
public TopDocs search(Document d, String indexPath) throws IOException {
if (d.getField("ro-order")
!= null) // if the document already contains the information on reference object
// neighbourhood
return scoreDocs(
d.getValues("ro-order")[0], DirectoryReader.open(FSDirectory.open(new File(indexPath))));
else { // if not we just create it :)
ImageSearcher searcher =
new GenericImageSearcher(numReferenceObjectsUsed, featureClass, featureFieldName);
ImageSearchHits hits =
searcher.search(d, IndexReader.open(FSDirectory.open(new File(indexPath + "-ro"))));
StringBuilder sb = new StringBuilder(numReferenceObjectsUsed * 4);
for (int j = 0; j < numReferenceObjectsUsed; j++) {
sb.append(hits.doc(j).getValues("ro-id")[0]);
sb.append(' ');
}
return scoreDocs(sb.toString(), IndexReader.open(FSDirectory.open(new File(indexPath))));
}
}
static String reason(FixedBitSet actual, FixedBitSet expected, IndexSearcher indexSearcher)
throws IOException {
StringBuilder builder = new StringBuilder();
builder.append("expected cardinality:").append(expected.cardinality()).append('\n');
DocIdSetIterator iterator = expected.iterator();
for (int doc = iterator.nextDoc();
doc != DocIdSetIterator.NO_MORE_DOCS;
doc = iterator.nextDoc()) {
builder
.append("Expected doc[")
.append(doc)
.append("] with id value ")
.append(indexSearcher.doc(doc).get(UidFieldMapper.NAME))
.append('\n');
}
builder.append("actual cardinality: ").append(actual.cardinality()).append('\n');
iterator = actual.iterator();
for (int doc = iterator.nextDoc();
doc != DocIdSetIterator.NO_MORE_DOCS;
doc = iterator.nextDoc()) {
builder
.append("Actual doc[")
.append(doc)
.append("] with id value ")
.append(indexSearcher.doc(doc).get(UidFieldMapper.NAME))
.append('\n');
}
return builder.toString();
}
/**
* We assume that the initial indexing has been done and a set of reference objects has been found
* and indexed in the separate directory. However further documents were added and they now need
* to get a ranked list of reference objects. So we (i) get all these new documents missing the
* field "ro-order" and (ii) add this field.
*
* @param indexPath the index to update
* @throws IOException
*/
public void updateIndex(String indexPath) throws IOException {
IndexReader reader = DirectoryReader.open(FSDirectory.open(new File(indexPath)));
int numDocs = reader.numDocs();
boolean hasDeletions = reader.hasDeletions();
int countUpdated = 0;
IndexReader readerRo = DirectoryReader.open(FSDirectory.open(new File(indexPath + "-ro")));
ImageSearcher searcher =
new GenericImageSearcher(numReferenceObjectsUsed, featureClass, featureFieldName);
Map<String, Analyzer> perField = new HashMap<String, Analyzer>(1);
perField.put("ro-order", new WhitespaceAnalyzer(LuceneUtils.LUCENE_VERSION));
PerFieldAnalyzerWrapper aWrapper =
new PerFieldAnalyzerWrapper(new SimpleAnalyzer(LuceneUtils.LUCENE_VERSION), perField);
IndexWriter iw =
new IndexWriter(
FSDirectory.open(new File(indexPath)),
new IndexWriterConfig(LuceneUtils.LUCENE_VERSION, aWrapper)
.setOpenMode(IndexWriterConfig.OpenMode.CREATE));
StringBuilder sb = new StringBuilder(256);
// Needed for check whether the document is deleted.
Bits liveDocs = MultiFields.getLiveDocs(reader);
for (int i = 0; i < numDocs; i++) {
if (reader.hasDeletions() && !liveDocs.get(i)) continue; // if it is deleted, just ignore it.
Document document = reader.document(i);
if (document.getField("ro-order") == null) { // if the field is not here we create it.
ImageSearchHits hits = searcher.search(document, readerRo);
sb.delete(0, sb.length());
for (int j = 0; j < numReferenceObjectsUsed; j++) {
sb.append(hits.doc(j).getValues("ro-id")[0]);
sb.append(' ');
}
// System.out.println(sb.toString());
document.add(new TextField("ro-order", sb.toString(), Field.Store.YES));
iw.updateDocument(
new Term(
DocumentBuilder.FIELD_NAME_IDENTIFIER,
document.getValues(DocumentBuilder.FIELD_NAME_IDENTIFIER)[0]),
document);
countUpdated++;
}
// progress report
progress.setNumDocsProcessed(progress.getNumDocsProcessed() + 1);
// debug:
System.out.println("countUpdated = " + countUpdated);
}
iw.commit();
iw.close();
}
/** Describe the parameters that control how the "more like this" query is formed. */
public String describeParams() {
StringBuilder sb = new StringBuilder();
sb.append("\t").append("maxQueryTerms : ").append(maxQueryTerms).append("\n");
sb.append("\t").append("minWordLen : ").append(minWordLen).append("\n");
sb.append("\t").append("maxWordLen : ").append(maxWordLen).append("\n");
sb.append("\t").append("fieldNames : ");
String delim = "";
for (String fieldName : fieldNames) {
sb.append(delim).append(fieldName);
delim = ", ";
}
sb.append("\n");
sb.append("\t").append("boost : ").append(boost).append("\n");
sb.append("\t").append("minTermFreq : ").append(minTermFreq).append("\n");
sb.append("\t").append("minDocFreq : ").append(minDocFreq).append("\n");
return sb.toString();
}
public static void commit(SolrClient solr, Logger logger, String... messages) {
try {
solr.commit();
} catch (SolrServerException e) {
StringBuilder message = new StringBuilder("FAILED TO COMMIT TO SOLR: ");
message
.append(Arrays.toString(messages))
.append("\n")
.append(ExceptionUtils.getStackTrace(e))
.append("\n");
logger.severe(message.toString());
} catch (IOException e) {
StringBuilder message = new StringBuilder("FAILED TO COMMIT TO SOLR: ");
message
.append(Arrays.toString(messages))
.append("\n")
.append(ExceptionUtils.getStackTrace(e))
.append("\n");
logger.severe(message.toString());
}
}
/**
* Creates a set of reference objects and stores it in a new index (name "<indexPath>-ro"). Then
* creates ordered lists of reference object positions for each data item in the index with given
* feature. Finally a new index (name "<indexPath>-ms") is created where all the original
* documents as well as the new data are stored.
*
* @param indexPath the path to the original index
* @throws IOException
*/
public void createIndex(String indexPath) throws IOException {
IndexReader reader = DirectoryReader.open(FSDirectory.open(new File(indexPath)));
int numDocs = reader.numDocs();
if (numDocs < numReferenceObjects) {
throw new UnsupportedOperationException("Too few documents in index.");
}
// progress report
progress.setNumDocsAll(numDocs);
progress.setCurrentState(State.RoSelection);
boolean hasDeletions = reader.hasDeletions();
// init reference objects:
IndexWriter iw = LuceneUtils.createIndexWriter(indexPath + "-ro", true);
HashSet<Integer> referenceObjsIds = new HashSet<Integer>(numReferenceObjects);
double numDocsDouble = (double) numDocs;
while (referenceObjsIds.size() < numReferenceObjects) {
referenceObjsIds.add((int) (numDocsDouble * Math.random()));
}
int count = 0;
if (hasDeletions) {
System.err.println(
"WARNING: There are deleted docs in your index. You should "
+ "optimize your index before using this method.");
}
// progress report
progress.setCurrentState(State.RoIndexing);
// find them in the index and put them into a separate index:
for (int i : referenceObjsIds) {
count++;
Document document = reader.document(i);
document.add(new Field("ro-id", count + "", StringField.TYPE_STORED));
iw.addDocument(document);
}
iw.commit();
iw.close();
// progress report
progress.setCurrentState(State.Indexing);
// now find the reference objects for each entry ;)
IndexReader readerRo = DirectoryReader.open(FSDirectory.open(new File(indexPath + "-ro")));
ImageSearcher searcher =
new GenericImageSearcher(numReferenceObjectsUsed, featureClass, featureFieldName);
Map<String, Analyzer> analyzerPerField = new HashMap<String, Analyzer>();
analyzerPerField.put("ro-order", new WhitespaceAnalyzer(LuceneUtils.LUCENE_VERSION));
PerFieldAnalyzerWrapper aWrapper =
new PerFieldAnalyzerWrapper(
new SimpleAnalyzer(LuceneUtils.LUCENE_VERSION), analyzerPerField);
iw =
new IndexWriter(
FSDirectory.open(new File(indexPath)),
new IndexWriterConfig(LuceneUtils.LUCENE_VERSION, aWrapper)
.setOpenMode(IndexWriterConfig.OpenMode.CREATE));
StringBuilder sb = new StringBuilder(256);
// Needed for check whether the document is deleted.
Bits liveDocs = MultiFields.getLiveDocs(reader);
for (int i = 0; i < numDocs; i++) {
if (reader.hasDeletions() && !liveDocs.get(i)) continue; // if it is deleted, just ignore it.
Document document = reader.document(i);
ImageSearchHits hits = searcher.search(document, readerRo);
sb.delete(0, sb.length());
for (int j = 0; j < numReferenceObjectsUsed; j++) {
sb.append(hits.doc(j).getValues("ro-id")[0]);
sb.append(' ');
}
// System.out.println(sb.toString());
document.add(new TextField("ro-order", sb.toString(), Field.Store.YES));
iw.updateDocument(
new Term(
DocumentBuilder.FIELD_NAME_IDENTIFIER,
document.getValues(DocumentBuilder.FIELD_NAME_IDENTIFIER)[0]),
document);
// progress report
progress.setNumDocsProcessed(progress.getNumDocsProcessed() + 1);
}
iw.commit();
iw.close();
// progress report
progress.setCurrentState(State.Idle);
}
@Override
public String toString(String field) {
StringBuilder buffer = new StringBuilder();
buffer.append(hashFieldName);
buffer.append(",");
buffer.append(Arrays.toString(hashes));
buffer.append(",");
buffer.append(maxResult);
buffer.append(",");
buffer.append(luceneFieldName);
buffer.append(",");
buffer.append(lireFeature.getClass().getSimpleName());
buffer.append(ToStringUtils.boost(getBoost()));
return buffer.toString();
}