コード例 #1
0
ファイル: ProjectParser.java プロジェクト: periclesjr/Sapelli
    public Constraint resolve(Form form)
        throws SAXException, IllegalArgumentException, NullPointerException, ParseException {
      // Form checks:
      if (form == null)
        throw new NullPointerException("Non-null form is needed to resolve Constraint");
      if (!form.isProducesRecords()) {
        addWarning(
            "Cannot impose constraint on records of form \""
                + form.id
                + "\" because it does not produce data records.");
        return null;
      }

      // Get column:
      @SuppressWarnings("unchecked")
      ColumnPointer<ComparableColumn<?>> columnPointer =
          (ColumnPointer<ComparableColumn<?>>)
              ColumnPointer.ByName(
                  form.getSchema(),
                  columnName,
                  true,
                  true); // will throw IllegalArgumentException if no such column is found (but name
      // sanitation will be used first)

      // Column check:
      if (!(columnPointer.getColumn() instanceof ComparableColumn<?>))
        throw new SAXException(
            "Constraint refers to a column (\"" + columnName + "\") which is not comparable.");

      // Return RuleConstraint:
      return RuleConstraint.FromString(columnPointer, comparison, valueString);
    }
コード例 #2
0
ファイル: ProjectParser.java プロジェクト: periclesjr/Sapelli
 /**
  * @param columnName
  * @param comparison
  * @param valueString
  * @throws ParseException
  */
 public ConstraintDescription(String columnName, String comparisonAttrib, String valueString)
     throws ParseException {
   this.columnName = columnName;
   this.valueString = valueString;
   this.comparison = RuleConstraint.parseComparisonString(comparisonAttrib);
 }