/**
* Loads the drawing. By convention this method is invoked on a worker thread.
*
* @param progress A ProgressIndicator to inform the user about the progress of the operation.
* @return The Drawing that was loaded.
*/
protected Drawing loadDrawing(ProgressIndicator progress) throws IOException {
Drawing drawing = createDrawing();
if (getParameter("datafile") != null) {
URL url = new URL(getDocumentBase(), getParameter("datafile"));
URLConnection uc = url.openConnection();
// Disable caching. This ensures that we always request the
// newest version of the drawing from the server.
// (Note: The server still needs to set the proper HTTP caching
// properties to prevent proxies from caching the drawing).
if (uc instanceof HttpURLConnection) {
((HttpURLConnection) uc).setUseCaches(false);
}
// Read the data into a buffer
int contentLength = uc.getContentLength();
InputStream in = uc.getInputStream();
try {
if (contentLength != -1) {
in = new BoundedRangeInputStream(in);
((BoundedRangeInputStream) in).setMaximum(contentLength + 1);
progress.setProgressModel((BoundedRangeModel) in);
progress.setIndeterminate(false);
}
BufferedInputStream bin = new BufferedInputStream(in);
bin.mark(512);
// Read the data using all supported input formats
// until we succeed
IOException formatException = null;
for (InputFormat format : drawing.getInputFormats()) {
try {
bin.reset();
} catch (IOException e) {
uc = url.openConnection();
in = uc.getInputStream();
in = new BoundedRangeInputStream(in);
((BoundedRangeInputStream) in).setMaximum(contentLength + 1);
progress.setProgressModel((BoundedRangeModel) in);
bin = new BufferedInputStream(in);
bin.mark(512);
}
try {
bin.reset();
format.read(bin, drawing, true);
formatException = null;
break;
} catch (IOException e) {
formatException = e;
}
}
if (formatException != null) {
throw formatException;
}
} finally {
in.close();
}
}
return drawing;
}
public static void main(String args[]) throws IOException {
LoaderOptions options = LoaderOptions.parseArgs(args);
try {
SSTableLoader loader =
new SSTableLoader(options.directory, new ExternalClient(options), options);
SSTableLoader.LoaderFuture future = loader.stream(options.ignores);
if (options.noProgress) {
future.get();
} else {
ProgressIndicator indicator = new ProgressIndicator(future.getPendingFiles());
indicator.start();
System.out.println("");
while (!future.isDone()) {
if (indicator.printProgress()) {
// We're done with streaming
System.out.println("\nWaiting for targets to rebuild indexes ...");
future.get();
assert future.isDone();
} else {
try {
Thread.sleep(1000L);
} catch (Exception e) {
}
}
}
}
System.exit(0); // We need that to stop non daemonized threads
} catch (Exception e) {
System.err.println(e.getMessage());
if (options.debug) e.printStackTrace(System.err);
System.exit(1);
}
}
/**
* 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();
}
/**
* 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);
}
/**
* Displays a progress indicator and then invokes <code>loadDrawing</code> on a worker thread.
* Displays the drawing panel when done successfully. Displays an error message when done
* unsuccessfully.
*
* @see #loadDrawing
*/
@Override
public final void init() {
// set the language of the applet
if (getParameter("Locale") != null) {
Locale.setDefault(new Locale(getParameter("Locale")));
}
final ResourceBundleUtil labels =
ResourceBundleUtil.getBundle("org.jhotdraw.samples.svg.Labels");
// Set look and feel
// -----------------
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (Throwable e) {
// Do nothing.
// If we can't set the desired look and feel, UIManager does
// automaticaly the right thing for us.
}
// Set our own popup factory, because the one that comes with Mac OS X
// creates translucent popups which is not useful for color selection
// using pop menus.
try {
PopupFactory.setSharedInstance(new PopupFactory());
} catch (Throwable e) {
// If we can't set the popup factory, we have to use what is there.
}
// Display a progress indicator while we are loading the drawing
// ----------------------------------------------------------
Container c = getContentPane();
final ProgressIndicator progress =
new ProgressIndicator(getName(), labels.getString("progressInitializing"));
c.add(progress);
progress.revalidate();
// Load the drawing using a worker thread
// --------------------------------------
new Worker<Drawing>() {
@Override
protected Drawing construct() throws Exception {
Thread t =
new Thread() {
@Override
public void run() {
try {
drawingComponent = createDrawingComponent();
} catch (Throwable t) {
t.printStackTrace();
}
}
};
t.start();
try {
progress.setNote(labels.getString("progressLoading"));
Drawing drawing = loadDrawing(progress);
progress.setNote(labels.getString("progressOpeningEditor"));
progress.setIndeterminate(true);
return drawing;
} finally {
t.join();
}
}
@Override
protected void done(Drawing result) {
Container c = getContentPane();
c.removeAll();
c.setLayout(new BorderLayout());
c.add(drawingComponent.getComponent());
initComponents();
if (result != null) {
setDrawing(result);
}
drawingComponent.revalidate();
((JComponent) c).revalidate();
}
@Override
protected void failed(Throwable error) {
Drawing d = createDrawing();
String message = (error.getMessage() == null) ? error.toString() : error.getMessage();
SVGTextAreaFigure txt =
new SVGTextAreaFigure(
labels.getFormatted("messageLoadFailed", getParameter("DrawingURL"), message));
txt.setBounds(new Point2D.Double(0, 0), new Point2D.Double(getWidth(), getHeight()));
d.add(txt);
done(d);
/*
Container c = getContentPane();
c.setLayout(new BorderLayout());
c.removeAll();
Throwable error = result;
error.printStackTrace();
String message = (error.getMessage() == null) ? error.toString() : error.getMessage();
MessagePanel mp = new MessagePanel(
UIManager.getIcon("OptionPane.errorIcon"),
labels.getFormatted("messageLoadFailed", htmlencode(getParameter("DrawingURL")), htmlencode(message)));
c.add(mp);
mp.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent evt) {
if ("close".equals(evt.getActionCommand())) {
close();
}
}
});
mp.revalidate();
*/
}
@Override
protected void finished() {
long end = System.currentTimeMillis();
System.out.println("AbstractDrawingApplet startup latency:" + (end - start));
}
}.start();
}