/**
* Update the query coverage component. Call this method if the effective selected table may have
* changed.
*/
private void updateQueryCoverage() {
if (coverageModel_.isSelected()) {
Coverage coverage;
if (tcModel_ == null) {
coverage = null;
} else {
int[] rowMap = tcModel_.getViewModel().getRowMap();
ColumnData raData = raSelector_.getColumnData();
ColumnData decData = decSelector_.getColumnData();
ColumnData srData = srSelector_.getColumnData();
if (raData != null && decData != null) {
DatasQuerySequenceFactory qsf =
new DatasQuerySequenceFactory(raData, decData, srData, rowMap);
try {
StarTable table = tcModel_.getApparentStarTable();
ConeQueryRowSequence qseq = qsf.createQuerySequence(table);
double resDeg = 1.0;
coverage = new ConeQueryCoverage(qseq, resDeg);
} catch (IOException e) {
coverage = null;
}
} else {
coverage = null;
}
}
queryCoverageView_.setCoverage(coverage);
updateOverlapCoverage();
} else {
queryCoverageView_.setCoverage(null);
}
}
/**
* Constructs and returns a worker thread which can perform a match as specified by the current
* state of this component.
*
* @return new worker thread
* @throws RuntimeException if the current state does not fully specify a multi query job; such
* exceptions will have comprehensible messages
*/
private MatchWorker createMatchWorker() {
/* Acquire state from this panel's GUI components. */
String sUrl = urlField_.getText();
if (sUrl == null || sUrl.trim().length() == 0) {
throw new IllegalArgumentException("No " + service_.getName() + " URL given");
}
URL serviceUrl;
try {
serviceUrl = new URL(sUrl);
} catch (MalformedURLException e) {
throw (IllegalArgumentException)
new IllegalArgumentException("Bad " + service_.getName() + " URL syntax: " + sUrl)
.initCause(e);
}
ConeErrorPolicy erract = (ConeErrorPolicy) erractSelector_.getSelectedItem();
TopcatModel tcModel = tcModel_;
if (tcModel == null) {
throw new NullPointerException("No table selected");
}
final StarTable inTable = tcModel.getApparentStarTable();
int[] rowMap = tcModel.getViewModel().getRowMap();
ColumnData raData = raSelector_.getColumnData();
ColumnData decData = decSelector_.getColumnData();
ColumnData srData = srSelector_.getColumnData();
if (raData == null) {
throw new NullPointerException("No RA column given");
}
if (decData == null) {
throw new NullPointerException("No Dec column given");
}
Number parNum = parallelModel_.getNumber();
int parallelism = parNum == null ? 1 : parNum.intValue();
MulticoneMode mcMode = (MulticoneMode) modeSelector_.getSelectedItem();
StarTableFactory tfact = ControlWindow.getInstance().getTableFactory();
/* Assemble objects based on this information. */
ConeSearcher searcher = service_.createSearcher(serviceUrl, tfact);
Coverage coverage = coverageModel_.isSelected() ? service_.getCoverage(serviceUrl) : null;
DatasQuerySequenceFactory qsf = new DatasQuerySequenceFactory(raData, decData, srData, rowMap);
ConeMatcher matcher =
mcMode.createConeMatcher(searcher, erract, inTable, qsf, coverage, parallelism);
ResultHandler resultHandler =
mcMode.createResultHandler(this, tfact.getStoragePolicy(), tcModel, inTable);
/* Create MatchWorker encapsulating all of this. */
MatchWorker worker = new MatchWorker(matcher, resultHandler, tcModel, inTable);
/* Perform post-construction configuration of constituent objects
* as required. */
qsf.setMatchWorker(worker);
resultHandler.setMatchWorker(worker);
/* Return worker thread. */
return worker;
}
/**
* Sends a table to a specific list of PLASTIC listeners.
*
* @param tcModel the table model to broadcast
* @param hub hub object
* @param plasticId registration ID for this application
* @param recipients listeners to receive it; null means do a broadcast
*/
private void transmitTable(
TopcatModel tcModel,
final PlasticHubListener hub,
final URI plasticId,
final URI[] recipients)
throws IOException {
/* Write the data as a VOTable to a temporary file preparatory to
* broadcast. */
final File tmpfile = File.createTempFile("plastic", ".vot");
final String tmpUrl = URLUtils.makeFileURL(tmpfile).toString();
tmpfile.deleteOnExit();
OutputStream ostrm = new BufferedOutputStream(new FileOutputStream(tmpfile));
try {
new VOTableWriter(DataFormat.TABLEDATA, true)
.writeStarTable(tcModel.getApparentStarTable(), ostrm);
} catch (IOException e) {
tmpfile.delete();
throw e;
} finally {
ostrm.close();
}
/* Store a record of the table that was broadcast with its
* state. */
int[] rowMap = tcModel.getViewModel().getRowMap();
idMap_.put(tmpUrl, new TableWithRows(tcModel, rowMap));
/* Do the broadcast, synchronously so that we don't delete the
* temporary file too early, but in another thread so that we
* don't block the GUI. */
new Thread("PLASTIC table broadcast") {
public void run() {
List argList = Arrays.asList(new Object[] {tmpUrl, tmpUrl});
Map responses =
recipients == null
? hub.request(plasticId, MessageId.VOT_LOADURL, argList)
: hub.requestToSubset(
plasticId, MessageId.VOT_LOADURL, argList, Arrays.asList(recipients));
/* Delete the temp file. */
tmpfile.delete();
}
}.start();
}
public ResultHandler createResultHandler(
final JComponent parent,
StoragePolicy policy,
final TopcatModel inTcModel,
StarTable inTable) {
final int[] rowMap = inTcModel.getViewModel().getRowMap();
return new ResultHandler() {
public void processResult(StarTable streamTable) throws IOException {
RowSequence rseq = streamTable.getRowSequence();
final BitSet matchMask = new BitSet();
try {
while (rseq.next()) {
long irow = ((Number) rseq.getCell(0)).longValue();
if (irow < Integer.MAX_VALUE) {
int jrow = rowMap == null ? (int) irow : rowMap[(int) irow];
matchMask.set(jrow);
}
}
} finally {
rseq.close();
}
schedule(
new Runnable() {
public void run() {
addSubset(parent, inTcModel, matchMask);
}
});
}
/**
* Using input from the user, adds a new (or reused) Row Subset to the given TopcatModel
* based on a given BitSet.
*
* @param parent parent component
* @param tcModel topcat model
* @param matchMask mask for included rows
*/
public void addSubset(JComponent parent, TopcatModel tcModel, BitSet matchMask) {
int nmatch = matchMask.cardinality();
Box nameLine = Box.createHorizontalBox();
JComboBox nameSelector = tcModel.createNewSubsetNameSelector();
nameSelector.setSelectedItem("multi" + service_.getLabel());
nameLine.add(new JLabel("Subset name: "));
nameLine.add(nameSelector);
Object msg =
new Object[] {
"Multiple "
+ service_.getName()
+ " successful; "
+ "matches found for "
+ nmatch
+ " rows.",
" ",
"Define new subset for matched rows",
nameLine,
};
int opt =
JOptionPane.showOptionDialog(
parent,
msg,
"Multi-" + service_.getName() + " Success",
JOptionPane.OK_CANCEL_OPTION,
JOptionPane.QUESTION_MESSAGE,
null,
null,
null);
String name = getSubsetName(nameSelector);
if (opt == JOptionPane.OK_OPTION && name != null) {
tcModel.addSubset(new BitsRowSubset(name, matchMask));
}
}
/**
* Returns the subset name corresponding to the currently selected value of a row subset
* selector box.
*
* @param rsetSelector combo box returned by TopcatModel.createNewSubsetNameSelector
* @return subset name as string, or null
*/
private String getSubsetName(JComboBox rsetSelector) {
Object item = rsetSelector.getSelectedItem();
if (item == null) {
return null;
} else if (item instanceof String) {
String name = (String) item;
return name.trim().length() > 0 ? name : null;
} else if (item instanceof RowSubset) {
return ((RowSubset) item).getName();
} else {
assert false;
return item.toString();
}
}
};
}