Class ExtendConstant

  • All Implemented Interfaces:
    ISearchOperation

    public class ExtendConstant
    extends java.lang.Object
    implements ISearchOperation
    This operation handles constants in search plans by binding a variable to a constant value. Such operations should be executed as early as possible during plan execution.
    • Constructor Detail

      • ExtendConstant

        public ExtendConstant​(int position,
                              java.lang.Object value)
    • Method Detail

      • getVariablePositions

        public java.util.List<java.lang.Integer> getVariablePositions()
        Specified by:
        getVariablePositions in interface ISearchOperation
        Returns:
        the ordered list of the variable numbers that are affected by the search operation
      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object
      • toString

        public java.lang.String toString​(java.util.function.Function<java.lang.Integer,​java.lang.String> variableMapping)
        Description copied from interface: ISearchOperation
        Creates a string representation of the search operation by replacing the variable numbers according to the parameter function. It is expected that the provided function does return a non-null value for each variable index that is returned by ISearchOperation.getVariablePositions(); otherwise a NullPointerException will be thrown during the calculation of the string.
        Specified by:
        toString in interface ISearchOperation