示例#1
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  /**
   * set the default sampling; this is an unavoidable violation of MathType immutability - a
   * RealTupleType must be an argument (directly or through a SetType) to the constructor of its
   * default Set; this method throws an Exception if getDefaultSet has previously been invoked
   */
  public synchronized void setDefaultSet(Set sampling) throws VisADException {
    if (sampling.getDimension() != getDimension()) {
      throw new SetException("RealTupleType.setDefaultSet: dimensions don't match");
    }
    if (DefaultSetEverAccessed) {
      throw new TypeException("RealTupleType: DefaultSet already accessed" + " so cannot change");
    }
    DefaultSet = sampling;

    /* WLH 4 Feb 98 copied from constructor */
    if (DefaultSet != null && !Unit.canConvertArray(DefaultSet.getSetUnits(), DefaultUnits)) {
      throw new UnitException(
          "RealTupleType: default Set Units must be " + "convertable with default Units");
    }
    if (DefaultCoordinateSystem != null && DefaultSet != null) {
      CoordinateSystem cs = DefaultSet.getCoordinateSystem();
      if (cs != null && !cs.getReference().equals(DefaultCoordinateSystem.getReference())) {
        throw new CoordinateSystemException(
            "RealTupleType: Default coordinate system "
                + DefaultCoordinateSystem.getReference()
                + " must match"
                + " default set CoordinateSystem "
                + (cs == null ? null : cs.getReference()));
      }
      if (!Unit.canConvertArray(
          DefaultCoordinateSystem.getCoordinateSystemUnits(), DefaultSet.getSetUnits())) {
        throw new UnitException(
            "RealTupleType: CoordinateSystem Units must be "
                + "convertable with default Set Units");
      }
    }
  }