Not

java.lang.Object

Behavioral.Interpreter.Not

All Implemented Interfaces:: Expression

public final class Not extends Object implements Expression

Nonterminal expression representing a logical NOT operation in the interpreter pattern. Implements the Expression interface.

Constructor Summary

Constructors

Constructor

Description

Not(Expression expr)

Constructs a NOT expression with the specified operand.
Method Summary

Modifier and Type

Method

Description

boolean

interpret(Map<String,Boolean> ctx)

Interprets the NOT expression by evaluating its operand and returning the logical negation.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- Not
  
  public Not(Expression expr)
  
  Constructs a NOT expression with the specified operand.
  
  Parameters:
  
  expr - the operand expression to negate
Method Details
- interpret
  
  public boolean interpret(Map<String,Boolean> ctx)
  
  Interprets the NOT expression by evaluating its operand and returning the logical negation.
  
  Specified by:
  
  interpret in interface Expression
  
  Parameters:
  
  ctx - the context map for variable evaluation
  
  Returns:
  
  true if the operand evaluates to false; false otherwise