ParameterContext (JUnit 5.1.0 API)

```
@API(status=STABLE,
     since="5.0")
public interface ParameterContext
```
ParameterContext encapsulates the context in which an Executable will be invoked for a given Parameter.
A ParameterContext is used to support parameter resolution via a ParameterResolver.

Since:

5.0

See Also:

ParameterResolver, Parameter, Executable, Method, Constructor

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`default java.lang.reflect.Executable`	`getDeclaringExecutable()`	Get the `Executable` (i.e., the `Method` or `Constructor`) that declares the `Parameter` for this context.
`int`	`getIndex()`	Get the index of the `Parameter` for this context within the parameter list of the `Executable` that declares the parameter.
`java.lang.reflect.Parameter`	`getParameter()`	Get the `Parameter` for this context.
`java.util.Optional<java.lang.Object>`	`getTarget()`	Get the target on which the `Executable` that declares the `Parameter` for this context will be invoked, if available.

- Method Detail
  - getParameter
```
java.lang.reflect.Parameter getParameter()
```
    Get the Parameter for this context.
    
    Returns:
    
    the parameter; never null
    
    See Also:
    
    getIndex()
  - getIndex
```
int getIndex()
```
    Get the index of the Parameter for this context within the parameter list of the Executable that declares the parameter.
    
    Returns:
    
    the index of the parameter
    
    See Also:
    
    getParameter(), Executable.getParameters()
  - getDeclaringExecutable
```
default java.lang.reflect.Executable getDeclaringExecutable()
```
    Get the Executable (i.e., the Method or Constructor) that declares the Parameter for this context.
    
    Returns:
    
    the declaring Executable; never null
    
    See Also:
    
    Parameter.getDeclaringExecutable()
  - getTarget
```
java.util.Optional<java.lang.Object> getTarget()
```
    Get the target on which the Executable that declares the Parameter for this context will be invoked, if available.
    
    Returns:
    
    an Optional containing the target on which the Executable will be invoked; never null but will be empty if the Executable is a constructor or a static method.