Interface IPosetComparator


  • public interface IPosetComparator
    Implementations of this interface aid the query engine with the ordering of poset elements. This information is particularly important in the delete and re-derive evaluation mode because they let the engine identify monotone change pairs.
    Since:
    1.6
    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      boolean isLessOrEqual​(Tuple left, Tuple right)
      Returns true if the 'left' tuple of poset elements is smaller or equal than the 'right' tuple of poset elements according to the partial order that this poset comparator employs.
    • Method Detail

      • isLessOrEqual

        boolean isLessOrEqual​(Tuple left,
                              Tuple right)
        Returns true if the 'left' tuple of poset elements is smaller or equal than the 'right' tuple of poset elements according to the partial order that this poset comparator employs.
        Parameters:
        left - the left tuple of poset elements
        right - the right tuple of poset elements
        Returns:
        true if left is smaller or equal to right, false otherwise