Esempio n. 1
0
 /**
  * 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);
   }
 }
Esempio n. 2
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  /**
   * 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();
  }
Esempio n. 4
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    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();
          }
        }
      };
    }