Package dev.cel.common.ast

Class CelExprUtil

java.lang.Object

dev.cel.common.ast.CelExprUtil

public final class CelExprUtil
extends java.lang.Object

Utility class for working with CelExpr.

Method Summary

Modifier and Type	Method	Description
static java.lang.Object	evaluateExpr(Cel cel, CelExpr expr)	Type-checks and evaluates a CelExpr.
static java.lang.Object	evaluateExpr(Cel cel, CelExpr expr, java.lang.Class<?> expectedResultType)	Type-checks and evaluates a CelExpr.

Methods inherited from class java.lang.Object

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

Method Detail

evaluateExpr

@CanIgnoreReturnValue
public static java.lang.Object evaluateExpr(Cel cel,
                                            CelExpr expr)
                                     throws CelValidationException,
                                            CelEvaluationException

Type-checks and evaluates a CelExpr. This method should be used in the context of validating or optimizing an AST.

Returns:

Evaluated result.

Throws:

CelValidationException - if CelExpr fails to type-check.

CelEvaluationException - if CelExpr fails to evaluate.

evaluateExpr

@CanIgnoreReturnValue
public static java.lang.Object evaluateExpr(Cel cel,
                                            CelExpr expr,
                                            java.lang.Class<?> expectedResultType)
                                     throws CelValidationException,
                                            CelEvaluationException

Type-checks and evaluates a CelExpr. The evaluated result is then checked to see if it's the expected result type.

This method should be used in the context of validating or optimizing an AST.

Returns:

Evaluated result.

Throws:

CelValidationException - if CelExpr fails to type-check.

CelEvaluationException - if CelExpr fails to evaluate.

java.lang.IllegalStateException - if the evaluated result is not of type expectedResultType.