public void testSearch() throws IOException {
int docNumber = 1;
MetricSpacesInvertedListIndexing ms = MetricSpacesInvertedListIndexing.getDefaultInstance();
MetricSpacesInvertedListIndexing.numReferenceObjectsUsed = 10;
MetricSpacesInvertedListIndexing.numReferenceObjects = 50;
IndexReader reader = ms.getIndexReader(indexPath);
TopDocs docs = ms.search(reader.document(docNumber), indexPath);
// print the results
BufferedWriter bw = new BufferedWriter(new FileWriter("out.html"));
bw.write("<html><body>");
for (int i = 0; i < docs.scoreDocs.length; i++) {
ScoreDoc scoreDoc = docs.scoreDocs[i];
bw.write(
"<img title=\"ID: "
+ scoreDoc.doc
+ ", "
+ "Score: "
+ scoreDoc.score
+ "\" src=\"file:///"
+ reader.document(scoreDoc.doc).getValues("descriptorImageIdentifier")[0]
+ "\"> ");
}
bw.write("</body></html>");
bw.close();
showUrl("out.html");
}
public void testMetrics() throws IOException {
String smallIdx = "wang-cedd";
MetricSpacesInvertedListIndexing ms = MetricSpacesInvertedListIndexing.getDefaultInstance();
MetricSpacesInvertedListIndexing.numReferenceObjectsUsed = 10;
MetricSpacesInvertedListIndexing.numReferenceObjects = 50;
TopDocs docs = ms.search(ImageIO.read(new FileInputStream("wang-data-1000/10.jpg")), smallIdx);
IndexReader ir = IndexReader.open(FSDirectory.open(new File(smallIdx)));
for (int i = 0; i < docs.scoreDocs.length; i++) {
ScoreDoc scoreDoc = docs.scoreDocs[i];
String identifier =
ir.document(scoreDoc.doc).getValues(DocumentBuilder.FIELD_NAME_IDENTIFIER)[0];
System.out.println(scoreDoc.score + ": " + identifier + " \t(" + scoreDoc.doc + ")");
}
}
public void testPerformance() throws IOException {
MetricSpacesInvertedListIndexing mes = MetricSpacesInvertedListIndexing.getDefaultInstance();
int numSearches = 10;
IndexReader reader = mes.getIndexReader(indexPath);
System.out.println(reader.maxDoc() + " documents");
TopDocs docs;
long ms = System.currentTimeMillis();
for (int i = 0; i < numSearches; i++) {
docs = mes.search(reader.document(i), indexPath);
}
ms = System.currentTimeMillis() - ms;
System.out.println("ms = " + ms);
ImageSearcher ceddSearcher = ImageSearcherFactory.createCEDDImageSearcher(100);
ms = System.currentTimeMillis();
for (int i = 0; i < numSearches; i++) {
ceddSearcher.search(reader.document(i), reader);
}
ms = System.currentTimeMillis() - ms;
System.out.println("ms = " + ms);
}