Package | Description |
---|---|
java.lang.invoke |
The
java.lang.invoke package contains dynamic language support provided directly by
the Java core class libraries and virtual machine. |
Modifier and Type | Method and Description |
---|---|
MethodType |
MethodType.appendParameterTypes(Class<?>... ptypesToInsert)
Finds or creates a method type with additional parameter types.
|
MethodType |
MethodType.appendParameterTypes(List<Class<?>> ptypesToInsert)
Finds or creates a method type with additional parameter types.
|
MethodType |
MethodType.changeParameterType(int num,
Class<?> nptype)
Finds or creates a method type with a single different parameter type.
|
MethodType |
MethodType.changeReturnType(Class<?> nrtype)
Finds or creates a method type with a different return type.
|
MethodType |
MethodType.dropParameterTypes(int start,
int end)
Finds or creates a method type with some parameter types omitted.
|
MethodType |
MethodType.erase()
Erases all reference types to
Object . |
static MethodType |
MethodType.fromMethodDescriptorString(String descriptor,
ClassLoader loader)
Finds or creates an instance of a method type, given the spelling of its bytecode descriptor.
|
MethodType |
MethodType.generic()
Converts all types, both reference and primitive, to
Object . |
static MethodType |
MethodType.genericMethodType(int objectArgCount)
Finds or creates a method type whose components are all
Object . |
static MethodType |
MethodType.genericMethodType(int objectArgCount,
boolean finalArray)
Finds or creates a method type whose components are
Object with an optional trailing Object[] array. |
MethodType |
MethodType.insertParameterTypes(int num,
Class<?>... ptypesToInsert)
Finds or creates a method type with additional parameter types.
|
MethodType |
MethodType.insertParameterTypes(int num,
List<Class<?>> ptypesToInsert)
Finds or creates a method type with additional parameter types.
|
static MethodType |
MethodType.methodType(Class<?> rtype)
Finds or creates a method type with the given components.
|
static MethodType |
MethodType.methodType(Class<?> rtype,
Class<?> ptype0)
Finds or creates a method type with the given components.
|
static MethodType |
MethodType.methodType(Class<?> rtype,
Class<?>[] ptypes)
Finds or creates an instance of the given method type.
|
static MethodType |
MethodType.methodType(Class<?> rtype,
Class<?> ptype0,
Class<?>... ptypes)
Finds or creates a method type with the given components.
|
static MethodType |
MethodType.methodType(Class<?> rtype,
List<Class<?>> ptypes)
Finds or creates a method type with the given components.
|
static MethodType |
MethodType.methodType(Class<?> rtype,
MethodType ptypes)
Finds or creates a method type with the given components.
|
MethodType |
MethodHandle.type()
Reports the type of this method handle.
|
MethodType |
CallSite.type()
Returns the type of this call site's target.
|
MethodType |
MethodType.unwrap()
Converts all wrapper types to their corresponding primitive types.
|
MethodType |
MethodType.wrap()
Converts all primitive types to their corresponding wrapper types.
|
Modifier and Type | Method and Description |
---|---|
MethodHandle |
MethodHandle.asType(MethodType newType)
Produces an adapter method handle which adapts the type of the
current method handle to a new type.
|
MethodHandle |
MethodHandles.Lookup.bind(Object receiver,
String name,
MethodType type)
Produces an early-bound method handle for a non-static method.
|
static MethodHandle |
MethodHandles.exactInvoker(MethodType type)
Produces a special invoker method handle which can be used to
invoke any method handle of the given type, as if by
invokeExact . |
static MethodHandle |
MethodHandles.explicitCastArguments(MethodHandle target,
MethodType newType)
Produces a method handle which adapts the type of the
given method handle to a new type by pairwise argument and return type conversion.
|
MethodHandle |
MethodHandles.Lookup.findConstructor(Class<?> refc,
MethodType type)
Produces a method handle which creates an object and initializes it, using
the constructor of the specified type.
|
MethodHandle |
MethodHandles.Lookup.findSpecial(Class<?> refc,
String name,
MethodType type,
Class<?> specialCaller)
Produces an early-bound method handle for a virtual method,
as if called from an
invokespecial
instruction from caller . |
MethodHandle |
MethodHandles.Lookup.findStatic(Class<?> refc,
String name,
MethodType type)
Produces a method handle for a static method.
|
MethodHandle |
MethodHandles.Lookup.findVirtual(Class<?> refc,
String name,
MethodType type)
Produces a method handle for a virtual method.
|
static MethodHandle |
MethodHandles.invoker(MethodType type)
Produces a special invoker method handle which can be used to
invoke any method handle compatible with the given type, as if by
invoke . |
static MethodType |
MethodType.methodType(Class<?> rtype,
MethodType ptypes)
Finds or creates a method type with the given components.
|
static MethodHandle |
MethodHandles.permuteArguments(MethodHandle target,
MethodType newType,
int... reorder)
Produces a method handle which adapts the calling sequence of the
given method handle to a new type, by reordering the arguments.
|
static MethodHandle |
MethodHandles.spreadInvoker(MethodType type,
int leadingArgCount)
Produces a method handle which will invoke any method handle of the
given
type , with a given number of trailing arguments replaced by
a single trailing Object[] array. |
Constructor and Description |
---|
ConstantCallSite(MethodType targetType,
MethodHandle createTargetHook)
Creates a call site with a permanent target, possibly bound to the call site itself.
|
MutableCallSite(MethodType type)
Creates a blank call site object with the given method type.
|
VolatileCallSite(MethodType type)
Creates a call site with a volatile binding to its target.
|
Submit a bug or feature
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
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