Class IsEmptyDataExpression

  • All Implemented Interfaces:
    Serializable, Cloneable, Expression

    public class IsEmptyDataExpression
    extends AbstractExpression
    Deprecated.
    Use a formula instead or make proper use of the No-Data band.
    An expression that checks, whether the current report has a non-empty datasource.
    Author:
    Thomas Morgner
    See Also:
    Serialized Form
    • Constructor Detail

      • IsEmptyDataExpression

        public IsEmptyDataExpression()
        Deprecated.
        Default Constructor.
    • Method Detail

      • getValue

        public Object getValue()
        Deprecated.
        Checks whether the report has a data-source and wether the datasource is empty. A datasource is considered empty, if it contains no rows. The number of columns is not evaluated.
        Returns:
        the value of the function.