org.graalvm.nativeimage.c.constant

Class CConstant.ValueAccess

java.lang.Object

org.graalvm.nativeimage.c.constant.CConstant.ValueAccess

Enclosing class:

CConstant

public static final class CConstant.ValueAccess
extends Object

Allows access to the value of a CConstant during image generation.

Since:

19.0

Method Summary

Modifier and Type	Method and Description
static <T> T	get(Class<?> declaringClass, String methodName, Class<T> returnType) Returns the value of a CConstant, i.e., the same value that calling the annotated method would return.

Methods inherited from class java.lang.Object

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

Method Detail

get

public static <T> T get(Class<?> declaringClass,
                        String methodName,
                        Class<T> returnType)

Returns the value of a CConstant, i.e., the same value that calling the annotated method would return.

This method is useful during native image generation, when the annotated method cannot be called.

Parameters:

declaringClass - The class that contains the method annotated with CConstant .

methodName - The name of the method annotated with CConstant.

returnType - The desired type of the returned value. For integer-kind constants, the supported types are Long, Integer, and Boolean. For floating point constants, the only supported type is Double. For string constants, the only supported type is String.

Returns:

The value of the C constant.

Since:

19.0