net.bytebuddy.description.method

Class ParameterDescription.ForLoadedParameter.Dispatcher.ForJava8CapableVm

java.lang.Object

net.bytebuddy.description.method.ParameterDescription.ForLoadedParameter.Dispatcher.ForJava8CapableVm

All Implemented Interfaces:

ParameterDescription.ForLoadedParameter.Dispatcher

Enclosing interface:

ParameterDescription.ForLoadedParameter.Dispatcher

@HashCodeAndEqualsPlugin.Enhance
public static class ParameterDescription.ForLoadedParameter.Dispatcher.ForJava8CapableVm
extends java.lang.Object
implements ParameterDescription.ForLoadedParameter.Dispatcher

A dispatcher for VMs that support the java.lang.reflect.Parameter API for Java 8+.

Nested Class Summary

Nested classes/interfaces inherited from interface net.bytebuddy.description.method.ParameterDescription.ForLoadedParameter.Dispatcher

ParameterDescription.ForLoadedParameter.Dispatcher.CreationAction, ParameterDescription.ForLoadedParameter.Dispatcher.ForJava8CapableVm, ParameterDescription.ForLoadedParameter.Dispatcher.ForLegacyVm

Field Summary

Fields

Modifier and Type	Field and Description
private java.lang.reflect.Method	getModifiers A reference to java.lang.reflect.Parameter#getModifiers.
private java.lang.reflect.Method	getName A reference to java.lang.reflect.Parameter#getName.
private java.lang.reflect.Method	getParameters A reference to java.lang.reflect.Executable#getParameters.
private java.lang.reflect.Method	isNamePresent A reference to java.lang.reflect.Parameter#isNamePresent.
private static java.lang.Object[]	NO_ARGUMENTS An empty array that can be used to indicate no arguments to avoid an allocation on a reflective call.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ForJava8CapableVm(java.lang.reflect.Method getParameters, java.lang.reflect.Method getName, java.lang.reflect.Method isNamePresent, java.lang.reflect.Method getModifiers) Creates a new dispatcher for a modern VM.

Method Summary

Modifier and Type	Method and Description
int	getModifiers(java.lang.reflect.AccessibleObject executable, int index) Returns the given parameter's modifiers.
java.lang.String	getName(java.lang.reflect.AccessibleObject executable, int index) Returns the given parameter's implicit or explicit name.
private java.lang.Object	getParameter(java.lang.reflect.AccessibleObject executable, int index) Returns the java.lang.reflect.Parameter of an executable at a given index.
boolean	isNamePresent(java.lang.reflect.AccessibleObject executable, int index) Returns true if the given parameter has an explicit name.

Methods inherited from class java.lang.Object

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

Field Detail

NO_ARGUMENTS

private static final java.lang.Object[] NO_ARGUMENTS

An empty array that can be used to indicate no arguments to avoid an allocation on a reflective call.

getParameters

private final java.lang.reflect.Method getParameters

A reference to java.lang.reflect.Executable#getParameters.

getName

private final java.lang.reflect.Method getName

A reference to java.lang.reflect.Parameter#getName.

isNamePresent

private final java.lang.reflect.Method isNamePresent

A reference to java.lang.reflect.Parameter#isNamePresent.

getModifiers

private final java.lang.reflect.Method getModifiers

A reference to java.lang.reflect.Parameter#getModifiers.

Constructor Detail

ForJava8CapableVm

protected ForJava8CapableVm(java.lang.reflect.Method getParameters,
                            java.lang.reflect.Method getName,
                            java.lang.reflect.Method isNamePresent,
                            java.lang.reflect.Method getModifiers)

Creates a new dispatcher for a modern VM.

Parameters:

getParameters - A reference to java.lang.reflect.Executable#getTypeArguments.

getName - A reference to java.lang.reflect.Parameter#getName.

isNamePresent - A reference to java.lang.reflect.Parameter#isNamePresent.

getModifiers - A reference to java.lang.reflect.Parameter#getModifiers.

Method Detail

getModifiers

public int getModifiers(java.lang.reflect.AccessibleObject executable,
                        int index)

Returns the given parameter's modifiers.

Specified by:

getModifiers in interface ParameterDescription.ForLoadedParameter.Dispatcher

Parameters:

executable - The executable to introspect.

index - The parameter's index.

Returns:

The parameter's modifiers.

isNamePresent

public boolean isNamePresent(java.lang.reflect.AccessibleObject executable,
                             int index)

Returns true if the given parameter has an explicit name.

Specified by:

isNamePresent in interface ParameterDescription.ForLoadedParameter.Dispatcher

Parameters:

executable - The parameter to introspect.

index - The parameter's index.

Returns:

true if the given parameter has an explicit name.

getName

public java.lang.String getName(java.lang.reflect.AccessibleObject executable,
                                int index)

Returns the given parameter's implicit or explicit name.

Specified by:

getName in interface ParameterDescription.ForLoadedParameter.Dispatcher

Parameters:

executable - The parameter to introspect.

index - The parameter's index.

Returns:

The parameter's name.

getParameter

private java.lang.Object getParameter(java.lang.reflect.AccessibleObject executable,
                                      int index)

Returns the java.lang.reflect.Parameter of an executable at a given index.

Parameters:

executable - The executable for which a parameter should be read.

index - The index of the parameter.

Returns:

The parameter for the given index.