net.bytebuddy.asm

Annotation Type Advice.Argument

@Documented
 @Retention(value=RUNTIME)
 @Target(value=PARAMETER)
public static @interface Advice.Argument

Indicates that the annotated parameter should be mapped to the parameter with index value() of the instrumented method.

See Also:

Advice, Advice.OnMethodEnter, Advice.OnMethodExit

Required Element Summary

Required Elements

Modifier and Type	Required Element and Description
int	value Returns the index of the mapped parameter.

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element and Description
boolean	optional Indicates if a parameter binding is optional.
boolean	readOnly Indicates if it is possible to write to this parameter.
Assigner.Typing	typing The typing that should be applied when assigning the argument.

Element Detail

value

public abstract int value

Returns the index of the mapped parameter.

Returns:

The index of the mapped parameter.

readOnly

public abstract 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

public abstract Assigner.Typing typing

The typing that should be applied when assigning the argument.

Returns:

The typing to apply upon assignment.

Default:

net.bytebuddy.implementation.bytecode.assign.Assigner.Typing.STATIC

optional

public abstract boolean optional

Indicates if a parameter binding is optional. If a binding is optional and a parameter with the specified index does not exist, the parameter's default value is bound.

Returns:

true if the binding is optional.

Default:

false