Examples of org.jfree.report.expressions.Function

org.jfree.report.expressions.Function
The interface for report functions. A report function separates the business logic from presentation of the result.
Since JFreeReport 0.9 functions are considered immutable. During the advancement process, the function returns a new instance with the updated state. @author Thomas Morgner


  public void advance() throws DataSourceException
  {
    if (expression instanceof Function)
    {
      Function f = (Function) expression;
      expression.setRuntime(this);
      expression = f.advance();
      f.setRuntime(null);
      expression.setRuntime(null);
    }
    value = null;
    queried = false;
  }

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  public void advance() throws DataSourceException
  {
    if (expression instanceof Function)
    {
      Function f = (Function) expression;
      expression.setRuntime(this);
      expression = f.advance();
      f.setRuntime(null);
      expression.setRuntime(null);
    }
    value = null;
    queried = false;
  }

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  public void advance() throws DataSourceException
  {
    if (expression instanceof Function)
    {
      final Function f = (Function) expression;
      expression.setRuntime(this);
      expression = f.advance();
      f.setRuntime(null);
      expression.setRuntime(null);
    }
    value = null;
    queried = false;
  }

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Related Classes of org.jfree.report.expressions.Function

org.jfree.report.data.RunningExpressionSlot

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