Annotation Type Advice.This


  • @Documented
    @Retention(RUNTIME)
    @Target(PARAMETER)
    public static @interface Advice.This

    Indicates that the annotated parameter should be mapped to the this reference of the instrumented method.

    Important: Parameters with this option must not be used when from a constructor in combination with Advice.OnMethodEnter where the this reference is not available.

    See Also:
    Advice, Advice.OnMethodEnter, Advice.OnMethodExit
    • Optional Element Summary

      Optional Elements 
      Modifier and Type Optional Element Description
      boolean optional
      Determines if the parameter should be assigned null if the instrumented method is static or a constructor within an enter advice.
      boolean readOnly
      Indicates if it is possible to write to this parameter.
      Assigner.Typing typing
      The typing that should be applied when assigning the this value.
    • Element Detail

      • optional

        boolean optional
        Determines if the parameter should be assigned null if the instrumented method is static or a constructor within an enter advice.
        Returns:
        true if the value assignment is optional.
        Default:
        false
      • readOnly

        boolean readOnly

        Indicates if it is possible to write to this parameter. If this property is set to false, the annotated type must be equal to the type declaring the instrumented method if the typing is not also set to Assigner.Typing.DYNAMIC. If this property is set to true, the annotated parameter can be any super type of the instrumented method's declaring type.

        Important: This property must be set to true if the advice method is not inlined.

        Returns:
        true if this parameter is read-only.
        Default:
        true
      • typing

        Assigner.Typing typing
        The typing that should be applied when assigning the this value.
        Returns:
        The typing to apply upon assignment.
        Default:
        net.bytebuddy.implementation.bytecode.assign.Assigner.Typing.STATIC