Beispiel #1
0
  @Override
  public void mousePressed(final MouseEvent e) {
    Performance.gc(3);
    repaint();

    final Runtime rt = Runtime.getRuntime();
    final long max = rt.maxMemory();
    final long total = rt.totalMemory();
    final long used = total - rt.freeMemory();

    final String inf =
        TOTAL_MEM_C
            + Performance.format(max, true)
            + NL
            + RESERVED_MEM_C
            + Performance.format(total, true)
            + NL
            + MEMUSED_C
            + Performance.format(used, true)
            + NL
            + NL
            + H_USED_MEM;

    BaseXDialog.info(gui, inf);
  }
Beispiel #2
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  /** Notifies all views of a data reference change. */
  public void init() {
    final Data data = initHistory(gui.context);
    if (data != null) {
      // if a large database is opened, the user is asked if complex
      /// visualizations should be closed first
      final long size = data.meta.dbsize();
      boolean open = false;
      for (final View v : view) open |= v.visible() && v.db();
      if (open
          && size > LARGEDB
          && BaseXDialog.confirm(gui, Util.info(H_LARGE_DB, Performance.format(size)))) {
        for (final View v : view) if (v.visible() && v.db()) v.visible(false);
      }
    } else {
      // database closed: close open dialogs
      for (final Window w : gui.getOwnedWindows()) {
        if (w.isVisible() && w instanceof BaseXDialog) ((BaseXDialog) w).cancel();
      }
    }

    gui.context.focused = -1;
    for (final View v : view) v.refreshInit();
    gui.layoutViews();
    gui.setTitle(data != null ? data.meta.name : null);
  }
Beispiel #3
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  /**
   * Runs the command without permission, data and concurrency checks.
   *
   * @param ctx database context
   * @param os output stream
   * @return result of check
   */
  public boolean run(final Context ctx, final OutputStream os) {
    perf = new Performance();
    context = ctx;
    prop = ctx.prop;
    mprop = ctx.mprop;
    out = PrintOutput.get(os);

    try {
      return run();
    } catch (final ProgressException ex) {
      // process was interrupted by the user or server
      abort();
      return error(INTERRUPTED);
    } catch (final Throwable ex) {
      // unexpected error
      Performance.gc(2);
      abort();
      if (ex instanceof OutOfMemoryError) {
        Util.debug(ex);
        return error(OUT_OF_MEM + (createWrite() ? H_OUT_OF_MEM : ""));
      }
      return error(Util.bug(ex) + NL + info.toString());
    } finally {
      // flushes the output
      try {
        if (out != null) out.flush();
      } catch (final IOException ignored) {
      }
    }
  }
Beispiel #4
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 /**
  * Parses the query.
  *
  * @param p performance
  * @throws QueryException query exception
  */
 private void parse(final Performance p) throws QueryException {
   qp.http(http);
   for (final Entry<String, String[]> entry : vars.entrySet()) {
     final String name = entry.getKey();
     final String[] value = entry.getValue();
     if (name == null) qp.context(value[0], value[1]);
     else qp.bind(name, value[0], value[1]);
   }
   qp.parse();
   if (p != null) info.parsing += p.time();
 }
Beispiel #5
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  @Override
  public synchronized byte[] info(final MainOptions options) {
    final TokenBuilder tb = new TokenBuilder();
    final long l = inX.length() + inY.length() + inZ.length();
    tb.add(LI_NAMES).add(data.meta.ftinclude).add(NL);
    tb.add(LI_SIZE + Performance.format(l, true) + NL);

    final IndexStats stats = new IndexStats(options.get(MainOptions.MAXSTAT));
    addOccs(stats);
    stats.print(tb);
    return tb.finish();
  }
Beispiel #6
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  @Override
  public DiskData build() throws IOException {
    meta.assign(parser);
    meta.dirty = true;

    // calculate optimized output buffer sizes to reduce disk fragmentation
    final Runtime rt = Runtime.getRuntime();
    final long max = Math.min(1 << 22, rt.maxMemory() - rt.freeMemory() >> 2);
    int bs = (int) Math.min(meta.filesize, max);
    bs = Math.max(IO.BLOCKSIZE, bs - bs % IO.BLOCKSIZE);

    // drop old database (if available) and create new one
    DropDB.drop(dbname, sopts);
    sopts.dbpath(dbname).md();

    elemNames = new Names(meta);
    attrNames = new Names(meta);
    try {
      tout = new DataOutput(new TableOutput(meta, DATATBL));
      xout = new DataOutput(meta.dbfile(DATATXT), bs);
      vout = new DataOutput(meta.dbfile(DATAATV), bs);
      sout = new DataOutput(meta.dbfile(DATATMP), bs);

      final Performance perf = Prop.debug ? new Performance() : null;
      Util.debug(tit() + DOTS);
      parse();
      if (Prop.debug) Util.errln(" " + perf + " (" + Performance.getMemory() + ')');

    } catch (final IOException ex) {
      try {
        close();
      } catch (final IOException ignored) {
      }
      throw ex;
    }
    close();

    // copy temporary values into database table
    try (final DataInput in = new DataInput(meta.dbfile(DATATMP))) {
      final TableAccess ta = new TableDiskAccess(meta, true);
      for (; spos < ssize; ++spos) ta.write4(in.readNum(), 8, in.readNum());
      ta.close();
    }
    meta.dbfile(DATATMP).delete();

    // return database instance
    return new DiskData(meta, elemNames, attrNames, path, ns);
  }
Beispiel #7
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  @Override
  public void paintComponent(final Graphics g) {
    super.paintComponent(g);

    final Runtime rt = Runtime.getRuntime();
    final long max = rt.maxMemory();
    final long total = rt.totalMemory();
    final long used = total - rt.freeMemory();
    final int ww = getWidth();
    final int hh = getHeight();

    // draw memory box
    g.setColor(Color.white);
    g.fillRect(0, 0, ww - 3, hh - 3);
    g.setColor(GRAY);
    g.drawLine(0, 0, ww - 4, 0);
    g.drawLine(0, 0, 0, hh - 4);
    g.drawLine(ww - 3, 0, ww - 3, hh - 3);
    g.drawLine(0, hh - 3, ww - 3, hh - 3);

    // show total memory usage
    g.setColor(color1);
    g.fillRect(2, 2, Math.max(1, (int) (total * (ww - 6) / max)), hh - 6);

    // show current memory usage
    final boolean full = used * 6 / 5 > max;
    g.setColor(full ? colormark4 : color3);
    g.fillRect(2, 2, Math.max(1, (int) (used * (ww - 6) / max)), hh - 6);

    // print current memory usage
    final FontMetrics fm = g.getFontMetrics();
    final String mem = Performance.format(used, true);
    final int fw = (ww - fm.stringWidth(mem)) / 2;
    final int h = fm.getHeight() - 3;
    g.setColor(full ? colormark3 : DGRAY);
    g.drawString(mem, fw, h);
  }
Beispiel #8
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  /**
   * Evaluates the specified query.
   *
   * @param query query
   * @return success flag
   */
  final boolean query(final String query) {
    final Performance p = new Performance();
    String error;
    if (exception != null) {
      error = Util.message(exception);
    } else {
      try {
        long hits = 0;
        final boolean run = options.get(MainOptions.RUNQUERY);
        final boolean serial = options.get(MainOptions.SERIALIZE);
        final int runs = Math.max(1, options.get(MainOptions.RUNS));
        for (int r = 0; r < runs; ++r) {
          // reuse existing processor instance
          if (r != 0) qp = null;
          qp(query, context);
          parse(p);
          if (r == 0) plan(false);

          qp.compile();
          info.compiling += p.time();
          if (r == 0) plan(true);
          if (!run) continue;

          final PrintOutput po = r == 0 && serial ? out : new NullOutput();
          try (final Serializer ser = qp.getSerializer(po)) {
            if (maxResults >= 0) {
              result = qp.cache(maxResults);
              info.evaluating += p.time();
              result.serialize(ser);
              hits = result.size();
            } else {
              hits = 0;
              final Iter ir = qp.iter();
              info.evaluating += p.time();
              for (Item it; (it = ir.next()) != null; ) {
                ser.serialize(it);
                ++hits;
                checkStop();
              }
            }
          }
          qp.close();
          info.serializing += p.time();
        }
        // dump some query info
        // out.flush();

        // remove string list if global locking is used and if query is updating
        if (soptions.get(StaticOptions.GLOBALLOCK) && qp.updating) {
          info.readLocked = null;
          info.writeLocked = null;
        }
        return info(info.toString(qp, out.size(), hits, options.get(MainOptions.QUERYINFO)));

      } catch (final QueryException | IOException ex) {
        exception = ex;
        error = Util.message(ex);
      } catch (final ProcException ex) {
        error = INTERRUPTED;
      } catch (final StackOverflowError ex) {
        Util.debug(ex);
        error = BASX_STACKOVERFLOW.desc;
      } catch (final RuntimeException ex) {
        extError("");
        Util.debug(info());
        throw ex;
      } finally {
        // close processor after exceptions
        if (qp != null) qp.close();
      }
    }
    return extError(error);
  }
Beispiel #9
0
 /**
  * Prints performance information if the {@link Prop#debug} flag is set.
  *
  * @param perf performance reference
  */
 public static void memory(final Performance perf) {
   if (!Prop.debug) return;
   errln(" " + perf + " (" + Performance.getMemory() + ')');
 }