Package net.sf.jasperreports.engine

Interface DatasetFilter

All Known Implementing Classes:
CompositeDatasetFilter, FieldFilter
public interface DatasetFilter
A dataset row filter.

Such a filter can be used in addition to the dataset filter expression to match dataset rows based on a programmatic criteria.

Author:
Lucian Chirita (lucianc@users.sourceforge.net)
See Also:

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    init(DatasetFillContext context)
    Initializes the filter.
    boolean
    matches(EvaluationType evaluation)
    Determines whether the current row matches the filter criteria.

  • Method Details

    • init

      void init(DatasetFillContext context)
      Initializes the filter.
      Parameters:
      context - dataset context information

    • matches

      boolean matches(EvaluationType evaluation)
      Determines whether the current row matches the filter criteria. Matching rows are included in the report, while non-matching rows are skipped.
      Parameters:
      evaluation - the evaluation type. Currently only EvaluationType.ESTIMATED is used.
      Returns:
      true if the row is to be included in the report.