Class UnknownExpression

java.lang.Object
com.aquima.interactions.expressions.optimizer.nodes.UnknownExpression
All Implemented Interfaces:
IExpressionNode, Serializable

public class UnknownExpression extends Object implements IExpressionNode
This expression is used for unknown nodes (?) and nodes that failed (ErrorNode).
Since:
6.0
Author:
O. Kerpershoek
See Also:
  • Constructor Details Link icon

    • UnknownExpression Link icon

      public UnknownExpression()
  • Method Details Link icon

    • evaluate Link icon

      public IValue evaluate(IValueEnvironment environment)
      Description copied from interface: IExpressionNode
      This method evaluates the node using the environment passed as argument and returns the result as a value or null if the result is unknown.
      Specified by:
      evaluate in interface IExpressionNode
      Parameters:
      environment - The environment that should be used when evaluating the node.
      Returns:
      The result of the evaluation, or null if the result is unknown.
    • toString Link icon

      public String toString()
      Overrides:
      toString in class Object