Package org.faktorips.runtime.formula

Interface IFormulaEvaluator

All Known Implementing Classes:
AbstractFormulaEvaluator
public interface IFormulaEvaluator
Evaluates the formulas of a product component or product component generation. This interface only provides methods to get the configured product component generation and to evaluate already configured formulas. The code of the formulas is set while creating the evaluator by an IFormulaEvaluatorFactory.
Author:
dirmeier

  • Method Summary

    Modifier and Type
    Method
    Description
    Object
    evaluate(String formulaName, Object... parameters)
    Evaluates the formula with the given name and the specified parameters.
    Map<String,String>
    getNameToExpressionMap()
    Returns a defensive copy of the map of expressions/formulas held by this evaluator.
    Object
    getObject()
    Returns the product component generation or product component this is an evaluator for.

  • Method Details

    • getObject

      Object getObject()
      Returns the product component generation or product component this is an evaluator for.

    • evaluate

      Object evaluate(String formulaName, Object... parameters)
      Evaluates the formula with the given name and the specified parameters.
      Parameters:
      formulaName - The name of the formula to evaluate
      parameters - the parameters the formula requires when being evaluated
      Returns:
      the result of the evaluated formula

    • getNameToExpressionMap

      Map<String,String> getNameToExpressionMap()
      Returns a defensive copy of the map of expressions/formulas held by this evaluator.
      Returns:
      a map containing the expressions (with their names as keys) held by this formula evaluator