Package com.tnsai.invariants

Class InvariantEvaluator

java.lang.Object

com.tnsai.invariants.InvariantEvaluator

public class InvariantEvaluator
extends Object

Evaluates InvariantExpression against a target object.

Uses reflection to access fields and invoke methods. Supports enum comparisons, null checks, and numeric comparisons.

Author:

TnsAI Team

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	InvariantEvaluator.InvariantEvaluationException	Exception thrown when evaluation fails.

Constructor Summary

Constructors

Constructor	Description
InvariantEvaluator(Object target)	Creates an evaluator for the given target object.

Method Summary

Modifier and Type	Method	Description
Object	evaluate(InvariantExpression expr)	Evaluates the expression and returns the result.
boolean	evaluateAsBoolean(InvariantExpression expr)	Evaluates the expression as a boolean.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

InvariantEvaluator

public InvariantEvaluator(Object target)

Creates an evaluator for the given target object.

Parameters:

target - the object to evaluate against

Method Details

evaluate

public Object evaluate(InvariantExpression expr)

Evaluates the expression and returns the result.

Parameters:

expr - the expression to evaluate

Returns:

the evaluation result

evaluateAsBoolean

public boolean evaluateAsBoolean(InvariantExpression expr)

Evaluates the expression as a boolean.

Parameters:

expr - the expression to evaluate

Returns:

true if the expression evaluates to true