net.bytebuddy.utility

Class JavaConstant.MethodHandle.Dispatcher.AbstractBase

java.lang.Object

net.bytebuddy.utility.JavaConstant.MethodHandle.Dispatcher.AbstractBase

All Implemented Interfaces:

JavaConstant.MethodHandle.Dispatcher, JavaConstant.MethodHandle.Dispatcher.Initializable

Direct Known Subclasses:

JavaConstant.MethodHandle.Dispatcher.ForJava7CapableVm, JavaConstant.MethodHandle.Dispatcher.ForJava8CapableVm

Enclosing interface:

JavaConstant.MethodHandle.Dispatcher

@HashCodeAndEqualsPlugin.Enhance
public abstract static class JavaConstant.MethodHandle.Dispatcher.AbstractBase
extends java.lang.Object
implements JavaConstant.MethodHandle.Dispatcher, JavaConstant.MethodHandle.Dispatcher.Initializable

An abstract base implementation of a dispatcher.

Nested Class Summary

Nested classes/interfaces inherited from interface net.bytebuddy.utility.JavaConstant.MethodHandle.Dispatcher

JavaConstant.MethodHandle.Dispatcher.AbstractBase, JavaConstant.MethodHandle.Dispatcher.CreationAction, JavaConstant.MethodHandle.Dispatcher.ForJava7CapableVm, JavaConstant.MethodHandle.Dispatcher.ForJava8CapableVm, JavaConstant.MethodHandle.Dispatcher.ForLegacyVm, JavaConstant.MethodHandle.Dispatcher.Initializable

Field Summary

Fields

Modifier and Type	Field and Description
protected java.lang.reflect.Method	getDeclaringClass A reference to java.lang.invoke.MethodHandleInfo#getDeclaringClass.
protected java.lang.reflect.Method	getMethodType A reference to java.lang.invoke.MethodHandleInfo#getMethodType.
protected java.lang.reflect.Method	getName A reference to java.lang.invoke.MethodHandleInfo#getName.
protected java.lang.reflect.Method	getReferenceKind A reference to java.lang.invoke.MethodHandleInfo#getReferenceKind.
protected java.lang.reflect.Method	lookupClass A reference to java.lang.invoke.MethodHandles$Lookup#lookupClass method.
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.
protected java.lang.reflect.Method	parameterArray A reference to java.lang.invoke.MethodType#parameterArray.
protected java.lang.reflect.Method	publicLookup A reference to java.lang.invoke.MethodHandles#publicLookup.
protected java.lang.reflect.Method	returnType A reference to java.lang.invoke.MethodType#returnType.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractBase(java.lang.reflect.Method publicLookup, java.lang.reflect.Method getName, java.lang.reflect.Method getDeclaringClass, java.lang.reflect.Method getReferenceKind, java.lang.reflect.Method getMethodType, java.lang.reflect.Method returnType, java.lang.reflect.Method parameterArray, java.lang.reflect.Method lookupClass) Creates a legal dispatcher.

Method Summary

Modifier and Type	Method and Description
java.lang.Class<?>	getDeclaringClass(java.lang.Object methodHandleInfo) Returns the declaring class of the supplied method handle info.
java.lang.Object	getMethodType(java.lang.Object methodHandleInfo) Returns a method handle info's method type.
java.lang.String	getName(java.lang.Object methodHandleInfo) Returns the method name of the supplied method handle info.
int	getReferenceKind(java.lang.Object methodHandleInfo) Returns the reference kind of the supplied method handle info.
java.lang.Class<?>	lookupType(java.lang.Object lookup) Returns the lookup type of a given java.lang.invoke.MethodHandles$Lookup instance.
java.util.List<? extends java.lang.Class<?>>	parameterArray(java.lang.Object methodType) Returns the parameter types of the supplied method type.
java.lang.Object	publicLookup() Returns a public java.lang.invoke.MethodHandles.Lookup instance.
java.lang.Class<?>	returnType(java.lang.Object methodType) Returns the return type of the supplied method type.

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.bytebuddy.utility.JavaConstant.MethodHandle.Dispatcher

reveal

Methods inherited from interface net.bytebuddy.utility.JavaConstant.MethodHandle.Dispatcher.Initializable

initialize

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.

publicLookup

protected final java.lang.reflect.Method publicLookup

A reference to java.lang.invoke.MethodHandles#publicLookup.

getName

protected final java.lang.reflect.Method getName

A reference to java.lang.invoke.MethodHandleInfo#getName.

getDeclaringClass

protected final java.lang.reflect.Method getDeclaringClass

A reference to java.lang.invoke.MethodHandleInfo#getDeclaringClass.

getReferenceKind

protected final java.lang.reflect.Method getReferenceKind

A reference to java.lang.invoke.MethodHandleInfo#getReferenceKind.

getMethodType

protected final java.lang.reflect.Method getMethodType

A reference to java.lang.invoke.MethodHandleInfo#getMethodType.

returnType

protected final java.lang.reflect.Method returnType

A reference to java.lang.invoke.MethodType#returnType.

parameterArray

protected final java.lang.reflect.Method parameterArray

A reference to java.lang.invoke.MethodType#parameterArray.

lookupClass

protected final java.lang.reflect.Method lookupClass

A reference to java.lang.invoke.MethodHandles$Lookup#lookupClass method.

Constructor Detail

AbstractBase

protected AbstractBase(java.lang.reflect.Method publicLookup,
                       java.lang.reflect.Method getName,
                       java.lang.reflect.Method getDeclaringClass,
                       java.lang.reflect.Method getReferenceKind,
                       java.lang.reflect.Method getMethodType,
                       java.lang.reflect.Method returnType,
                       java.lang.reflect.Method parameterArray,
                       java.lang.reflect.Method lookupClass)

Creates a legal dispatcher.

Parameters:

publicLookup - A reference to java.lang.invoke.MethodHandles#publicLookup.

getName - A reference to java.lang.invoke.MethodHandleInfo#getName.

getDeclaringClass - A reference to java.lang.invoke.MethodHandleInfo#getDeclaringClass.

getReferenceKind - A reference to java.lang.invoke.MethodHandleInfo#getReferenceKind.

getMethodType - A reference to java.lang.invoke.MethodHandleInfo#getMethodType.

returnType - A reference to java.lang.invoke.MethodType#returnType.

parameterArray - A reference to java.lang.invoke.MethodType#parameterArray.

lookupClass - A reference to java.lang.invoke.MethodHandles$Lookup#lookupClass method.

Method Detail

publicLookup

public java.lang.Object publicLookup()

Returns a public java.lang.invoke.MethodHandles.Lookup instance.

Specified by:

publicLookup in interface JavaConstant.MethodHandle.Dispatcher.Initializable

Returns:

A public java.lang.invoke.MethodHandles.Lookup instance.

getMethodType

public java.lang.Object getMethodType(java.lang.Object methodHandleInfo)

Returns a method handle info's method type.

Specified by:

getMethodType in interface JavaConstant.MethodHandle.Dispatcher

Parameters:

methodHandleInfo - The method handle info to introspect.

Returns:

The java.lang.invoke.MethodType instance representing the method handle's type.

getReferenceKind

public int getReferenceKind(java.lang.Object methodHandleInfo)

Returns the reference kind of the supplied method handle info.

Specified by:

getReferenceKind in interface JavaConstant.MethodHandle.Dispatcher

Parameters:

methodHandleInfo - The method handle to be introspected.

Returns:

The method handle info's reference type.

getDeclaringClass

public java.lang.Class<?> getDeclaringClass(java.lang.Object methodHandleInfo)

Returns the declaring class of the supplied method handle info.

Specified by:

getDeclaringClass in interface JavaConstant.MethodHandle.Dispatcher

Parameters:

methodHandleInfo - The method handle to be introspected.

Returns:

The method handle info's declaring class.

getName

public java.lang.String getName(java.lang.Object methodHandleInfo)

Returns the method name of the supplied method handle info.

Specified by:

getName in interface JavaConstant.MethodHandle.Dispatcher

Parameters:

methodHandleInfo - The method handle to be introspected.

Returns:

The method handle info's method name.

returnType

public java.lang.Class<?> returnType(java.lang.Object methodType)

Returns the return type of the supplied method type.

Specified by:

returnType in interface JavaConstant.MethodHandle.Dispatcher

Parameters:

methodType - The method type to be introspected.

Returns:

The method type's return type.

parameterArray

public java.util.List<? extends java.lang.Class<?>> parameterArray(java.lang.Object methodType)

Returns the parameter types of the supplied method type.

Specified by:

parameterArray in interface JavaConstant.MethodHandle.Dispatcher

Parameters:

methodType - The method type to be introspected.

Returns:

The method type's parameter types.

lookupType

public java.lang.Class<?> lookupType(java.lang.Object lookup)

Returns the lookup type of a given java.lang.invoke.MethodHandles$Lookup instance.

Specified by:

lookupType in interface JavaConstant.MethodHandle.Dispatcher.Initializable

Parameters:

lookup - A java.lang.invoke.MethodHandles$Lookup instance.

Returns:

The provided instance's lookup type.