Package com.singularsys.extensions.fastreal

Class RpEvaluator

java.lang.Object
com.singularsys.extensions.fastreal.RpEvaluator
All Implemented Interfaces:
Evaluator, JepComponent, Serializable
public class RpEvaluator extends Object implements Evaluator
An evaluator using the RpEval system. Note that using this evaluator is slower than using the RpEval class directly.
Author:
Richard Morris
See Also:

  • Constructor Details

    • RpEvaluator

      public RpEvaluator(boolean updateJepVariables)
      Constructor
      Parameters:
      updateJepVariables - whether to update jep variable after each call to evaluate

  • Method Details

    • eval

      public Object eval(Node node) throws EvaluationException
      Description copied from interface: Evaluator
      Evaluates a sub expression. This method can be called by PostfixMathCommands which implement CallbackEvaluationI
      Specified by:
      eval in interface Evaluator
      Parameters:
      node - node to evaluate
      Returns:
      The value after evaluating the sub expression.
      Throws:
      EvaluationException - if errors occur during evaluation;

    • evaluate

      public Object evaluate(Node node) throws EvaluationException
      Description copied from interface: Evaluator
      Main entry point, evaluates a node and returns and object with the value of the node.
      Specified by:
      evaluate in interface Evaluator
      Parameters:
      node - node to evaluate
      Returns:
      value after evaluation
      Throws:
      EvaluationException - if errors occur during evaluation;

    • getLightWeightInstance

      public JepComponent getLightWeightInstance()
      Description copied from interface: JepComponent
      Gets a light-weight instance suitable for using in multiple threads.
      Specified by:
      getLightWeightInstance in interface JepComponent
      Returns:
      either a new instance, null or 'this'.

    • init

      public void init(Jep jep)
      Description copied from interface: JepComponent
      Initialize the component. This method is called whenever a component is added to Jep. Hence, it allows components to keep track of the other components they may rely on.
      Specified by:
      init in interface JepComponent
      Parameters:
      jep - the current Jep instance

    • getRpe

      public AbstractEval getRpe()

    • updateJepVariables

      public void updateJepVariables()