Esempio n. 1
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 /**
  * Returns the nth geometry of a geometry collection, or the geometry if the input is not a
  * collection.
  *
  * @param node xml element containing gml object(s)
  * @param number integer number as the index of nth geometry
  * @return geometry as a gml element
  * @throws QueryException query exception
  */
 @Deterministic
 public ANode geometryN(final ANode node, final Int number) throws QueryException {
   final Geometry geo = checkGeo(node);
   final long n = number.itr();
   if (n < 1 || n > geo.getNumGeometries()) throw GeoErrors.outOfRangeIdx(number);
   return gmlWriter(geo.getGeometryN((int) n - 1));
 }
Esempio n. 2
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  /**
   * Runs a query with an external variable declaration.
   *
   * @throws IOException I/O exception
   */
  @Test
  public void queryBindSequence() throws IOException {
    Query query = session.query("declare variable $a external; $a");
    query.bind("a", "1\u00012", "xs:integer");
    assertEqual("1", query.next());
    assertEqual("2", query.next());
    query.close();

    query = session.query("declare variable $a external; $a");
    query.bind("a", "09\u0002xs:hexBinary\u00012", "xs:integer");
    assertEqual("09", query.next());
    assertEqual("2", query.next());
    query.close();

    query = session.query("declare variable $a external; $a");
    query.bind("a", Seq.get(new Item[] {Int.get(1), Str.get("X")}, 2));
    assertEqual("1", query.next());
    assertEqual("X", query.next());
    query.close();

    query = session.query("declare variable $a external; $a");
    query.bind("a", IntSeq.get(new long[] {1, 2}, AtomType.INT));
    assertEqual("1", query.next());
    assertEqual("2", query.next());
    query.close();

    query = session.query("declare variable $a external; $a");
    query.bind("a", IntSeq.get(new long[] {1, 2}, AtomType.INT), "xs:integer");
    assertEqual("1", query.next());
    assertEqual("2", query.next());
    query.close();
  }
Esempio n. 3
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  /**
   * Returns the number of interior rings in a polygon.
   *
   * @param node xml element containing gml object(s)
   * @return integer number of interior rings
   * @throws QueryException query exception
   */
  @Deterministic
  public Int numInteriorRing(final ANode node) throws QueryException {
    final Geometry geo = geo(node, Q_GML_POLYGON);
    if (geo == null && checkGeo(node) != null)
      throw GeoErrors.geoType(node.qname().local(), "Polygon");

    return Int.get(((Polygon) geo).getNumInteriorRing());
  }
Esempio n. 4
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  /**
   * Returns the nth geometry of a geometry collection.
   *
   * @param node xml element containing gml object(s)
   * @param number index of i-th interior ring
   * @return n-th interior ring geometry (LineString) as a gml element
   * @throws QueryException query exception
   */
  @Deterministic
  public ANode interiorRingN(final ANode node, final Int number) throws QueryException {
    final Geometry geo = geo(node, Q_GML_POLYGON);
    if (geo == null && checkGeo(node) != null)
      throw GeoErrors.geoType(node.qname().local(), "Polygon");

    final long n = number.itr();
    final int max = ((Polygon) geo).getNumInteriorRing();
    if (n < 1 || n > max) throw GeoErrors.outOfRangeIdx(number);
    return gmlWriter(((Polygon) geo).getInteriorRingN((int) n - 1));
  }
Esempio n. 5
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  /**
   * Returns the nth point of a line.
   *
   * @param node xml element containing gml object(s)
   * @param number index of i-th point
   * @return n-th point as a gml element
   * @throws QueryException query exception
   */
  @Deterministic
  public ANode pointN(final ANode node, final Int number) throws QueryException {
    final Geometry geo = geo(node, Q_GML_LINEARRING, Q_GML_LINESTRING);
    if (geo == null && checkGeo(node) != null)
      throw GeoErrors.geoType(node.qname().local(), "Line");

    final int max = geo.getNumPoints();
    final long n = number.itr();
    if (n < 1 || n > max) throw GeoErrors.outOfRangeIdx(number);

    return gmlWriter(((LineString) geo).getPointN((int) n - 1));
  }
Esempio n. 6
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  /**
   * Runs a query with an external variable declaration.
   *
   * @throws IOException I/O exception
   */
  @Test
  public void queryBindInt() throws IOException {
    Query query = session.query("declare variable $a as xs:integer external; $a");
    query.bind("a", "5", "xs:integer");
    assertEqual("5", query.next());
    query.close();

    query = session.query("declare variable $a external; $a");
    query.bind("a", Int.get(1), "xs:integer");
    assertEqual("1", query.next());
    query.close();
  }
Esempio n. 7
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  @Override
  public Item item(final QueryContext qc, final InputInfo ii) throws QueryException {
    checkCreate(qc);
    // URL to relational database
    final String url = string(toToken(exprs[0], qc));
    final JDBCConnections jdbc = jdbc(qc);
    try {
      if (exprs.length > 2) {
        // credentials
        final String user = string(toToken(exprs[1], qc));
        final String pass = string(toToken(exprs[2], qc));
        if (exprs.length == 4) {
          // connection options
          final Options opts = toOptions(3, Q_OPTIONS, new Options(), qc);
          // extract auto-commit mode from options
          boolean ac = true;
          final HashMap<String, String> options = opts.free();
          final String commit = options.get(AUTO_COMM);
          if (commit != null) {
            ac = Strings.yes(commit);
            options.remove(AUTO_COMM);
          }
          // connection properties
          final Properties props = connProps(options);
          props.setProperty(USER, user);
          props.setProperty(PASS, pass);

          // open connection
          final Connection conn = getConnection(url, props);
          // set auto/commit mode
          conn.setAutoCommit(ac);
          return Int.get(jdbc.add(conn));
        }
        return Int.get(jdbc.add(getConnection(url, user, pass)));
      }
      return Int.get(jdbc.add(getConnection(url)));
    } catch (final SQLException ex) {
      throw BXSQ_ERROR_X.get(info, ex);
    }
  }
Esempio n. 8
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 /**
  * Returns the dimension of an item.
  *
  * @param node xml element containing gml object(s)
  * @return dimension
  * @throws QueryException query exception
  */
 @Deterministic
 public Int dimension(final ANode node) throws QueryException {
   return Int.get(checkGeo(node).getDimension());
 }
Esempio n. 9
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 /**
  * Returns the number of points in a geometry.
  *
  * @param node xml element containing gml object(s)
  * @return number of points int value
  * @throws QueryException query exception
  */
 @Deterministic
 public Int numPoints(final ANode node) throws QueryException {
   return Int.get(checkGeo(node).getNumPoints());
 }
Esempio n. 10
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  /**
   * Formats the specified number and returns a string representation.
   *
   * @param item item
   * @param pics pictures
   * @param ii input info
   * @return picture variables
   * @throws QueryException query exception
   */
  private byte[] format(final ANum item, final Picture[] pics, final InputInfo ii)
      throws QueryException {

    // Rule 1: return results for NaN
    final double d = item.dbl(ii);
    if (Double.isNaN(d)) return nan;

    // Rule 2: check if value if negative (smaller than zero or -0)
    final boolean neg = d < 0 || d == 0 && Double.doubleToLongBits(d) == Long.MIN_VALUE;
    final Picture pic = pics[neg && pics.length == 2 ? 1 : 0];
    final IntList res = new IntList(), intgr = new IntList(), fract = new IntList();
    int exp = 0;

    // Rule 3: percent/permille
    ANum num = item;
    if (pic.pc) num = (ANum) Calc.MULT.ev(num, Int.get(100), ii);
    if (pic.pm) num = (ANum) Calc.MULT.ev(num, Int.get(1000), ii);

    if (Double.isInfinite(num.dbl(ii))) {
      // Rule 4: infinity
      intgr.add(new TokenParser(inf).toArray());
    } else {
      // Rule 5: exponent
      if (pic.minExp != 0 && d != 0) {
        BigDecimal dec = num.dec(ii).abs().stripTrailingZeros();
        int scl = 0;
        if (dec.compareTo(BigDecimal.ONE) >= 0) {
          scl = dec.setScale(0, RoundingMode.HALF_DOWN).precision();
        } else {
          while (dec.compareTo(BigDecimal.ONE) < 0) {
            dec = dec.multiply(BigDecimal.TEN);
            scl--;
          }
          scl++;
        }
        exp = scl - pic.min[0];
        if (exp != 0) {
          final BigDecimal n = BigDecimal.TEN.pow(Math.abs(exp));
          num = (ANum) Calc.MULT.ev(num, Dec.get(exp > 0 ? BigDecimal.ONE.divide(n) : n), ii);
        }
      }
      num = num.round(pic.maxFrac, true).abs();

      // convert positive number to string
      final String s =
          (num instanceof Dbl || num instanceof Flt
                  ? Dec.get(BigDecimal.valueOf(num.dbl(ii)))
                  : num)
              .toString();

      // integer/fractional separator
      final int sep = s.indexOf('.');

      // create integer part
      final int sl = s.length();
      final int il = sep == -1 ? sl : sep;
      for (int i = il; i < pic.min[0]; ++i) intgr.add(zero);
      // fractional number: skip leading 0
      if (!s.startsWith("0.") || pic.min[0] > 0) {
        for (int i = 0; i < il; i++) intgr.add(zero + s.charAt(i) - '0');
      }

      // squeeze in grouping separators
      if (pic.group[0].length == 1 && pic.group[0][0] > 0) {
        // regular pattern with repeating separators
        for (int p = intgr.size() - (neg ? 2 : 1); p > 0; --p) {
          if (p % pic.group[0][0] == 0) intgr.insert(intgr.size() - p, grouping);
        }
      } else {
        // irregular pattern, or no separators at all
        final int gl = pic.group[0].length;
        for (int g = 0; g < gl; ++g) {
          final int pos = intgr.size() - pic.group[0][g];
          if (pos > 0) intgr.insert(pos, grouping);
        }
      }

      // create fractional part
      final int fl = sep == -1 ? 0 : sl - il - 1;
      if (fl != 0) for (int i = sep + 1; i < sl; i++) fract.add(zero + s.charAt(i) - '0');
      for (int i = fl; i < pic.min[1]; ++i) fract.add(zero);

      // squeeze in grouping separators in a reverse manner
      final int ul = fract.size();
      for (int p = pic.group[1].length - 1; p >= 0; p--) {
        final int pos = pic.group[1][p];
        if (pos < ul) fract.insert(pos, grouping);
      }
    }

    // add minus sign
    if (neg && pics.length != 2) res.add(minus);
    // add prefix and integer part
    res.add(pic.prefSuf[0].toArray()).add(intgr.finish());
    // add fractional part
    if (!fract.isEmpty()) res.add(decimal).add(fract.finish());
    // add exponent
    if (pic.minExp != 0) {
      res.add(exponent);
      if (exp < 0) res.add(minus);
      final String s = Integer.toString(Math.abs(exp));
      final int sl = s.length();
      for (int i = sl; i < pic.minExp; i++) res.add(zero);
      for (int i = 0; i < sl; i++) res.add(zero + s.charAt(i) - '0');
    }
    // add suffix
    res.add(pic.prefSuf[1].toArray());
    return new TokenBuilder(res.finish()).finish();
  }