Packages that use MethodHandle

• Uses of MethodHandle in java.lang.invoke

  Methods in that return

  Modifier and Type	Method and Description
  static MethodHandle	MethodHandles.arrayElementGetter(Class<?> arrayClass) Produces a method handle giving read access to elements of an array.
  static MethodHandle	MethodHandles.arrayElementSetter(Class<?> arrayClass) Produces a method handle giving write access to elements of an array.
  MethodHandle	MethodHandle.asCollector(Class<?> arrayType, int arrayLength) Makes an array-collecting method handle, which accepts a given number of trailing positional arguments and collects them into an array argument.
  MethodHandle	MethodHandle.asFixedArity() Makes a fixed arity method handle which is otherwise equivalent to the current method handle.
  MethodHandle	MethodHandle.asSpreader(Class<?> arrayType, int arrayLength) Makes an array-spreading method handle, which accepts a trailing array argument and spreads its elements as positional arguments.
  MethodHandle	MethodHandle.asType(MethodType newType) Produces an adapter method handle which adapts the type of the current method handle to a new type.
  MethodHandle	MethodHandle.asVarargsCollector(Class<?> arrayType) Makes a variable arity adapter which is able to accept any number of trailing positional arguments and collect them into an array argument.
  MethodHandle	MethodHandles.Lookup.bind(Object receiver, String name, MethodType type) Produces an early-bound method handle for a non-static method.
  MethodHandle	MethodHandle.bindTo(Object x) Binds a value x to the first argument of a method handle, without invoking it.
  static MethodHandle	MethodHandles.catchException(MethodHandle target, Class<? extends Throwable> exType, MethodHandle handler) Makes a method handle which adapts a target method handle, by running it inside an exception handler.
  static MethodHandle	MethodHandles.collectArguments(MethodHandle target, int pos, MethodHandle filter) Adapts a target method handle by pre-processing a sub-sequence of its arguments with a filter (another method handle).
  static MethodHandle	MethodHandles.constant(Class<?> type, Object value) Produces a method handle of the requested return type which returns the given constant value every time it is invoked.
  static MethodHandle	MethodHandles.dropArguments(MethodHandle target, int pos, Class<?>... valueTypes) Produces a method handle which will discard some dummy arguments before calling some other specified target method handle.
  static MethodHandle	MethodHandles.dropArguments(MethodHandle target, int pos, List<Class<?>> valueTypes) Produces a method handle which will discard some dummy arguments before calling some other specified target method handle.
  abstract MethodHandle	CallSite.dynamicInvoker() Produces a method handle equivalent to an invokedynamic instruction which has been linked to this call site.
  MethodHandle	ConstantCallSite.dynamicInvoker() Returns this call site's permanent target.
  MethodHandle	VolatileCallSite.dynamicInvoker() Produces a method handle equivalent to an invokedynamic instruction which has been linked to this call site.
  MethodHandle	MutableCallSite.dynamicInvoker() Produces a method handle equivalent to an invokedynamic instruction which has been linked to this call site.
  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.
  static MethodHandle	MethodHandles.filterArguments(MethodHandle target, int pos, MethodHandle... filters) Adapts a target method handle by pre-processing one or more of its arguments, each with its own unary filter function, and then calling the target with each pre-processed argument replaced by the result of its corresponding filter function.
  static MethodHandle	MethodHandles.filterReturnValue(MethodHandle target, MethodHandle filter) Adapts a target method handle by post-processing its return value (if any) with a filter (another method handle).
  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.findGetter(Class<?> refc, String name, Class<?> type) Produces a method handle giving read access to a non-static field.
  MethodHandle	MethodHandles.Lookup.findSetter(Class<?> refc, String name, Class<?> type) Produces a method handle giving write access to a non-static field.
  MethodHandle	MethodHandles.Lookup.findSpecial(Class<?> refc, String name, MethodType type, Class<?> specialCaller) Produces an early-bound method handle for a virtual method.
  MethodHandle	MethodHandles.Lookup.findStatic(Class<?> refc, String name, MethodType type) Produces a method handle for a static method.
  MethodHandle	MethodHandles.Lookup.findStaticGetter(Class<?> refc, String name, Class<?> type) Produces a method handle giving read access to a static field.
  MethodHandle	MethodHandles.Lookup.findStaticSetter(Class<?> refc, String name, Class<?> type) Produces a method handle giving write access to a static field.
  MethodHandle	MethodHandles.Lookup.findVirtual(Class<?> refc, String name, MethodType type) Produces a method handle for a virtual method.
  static MethodHandle	MethodHandles.foldArguments(MethodHandle target, MethodHandle combiner) Adapts a target method handle by pre-processing some of its arguments, and then calling the target with the result of the pre-processing, inserted into the original sequence of arguments.
  abstract MethodHandle	CallSite.getTarget() Returns the target method of the call site, according to the behavior defined by this call site's specific class.
  MethodHandle	ConstantCallSite.getTarget() Returns the target method of the call site, which behaves like a final field of the ConstantCallSite.
  MethodHandle	VolatileCallSite.getTarget() Returns the target method of the call site, which behaves like a volatile field of the VolatileCallSite.
  MethodHandle	MutableCallSite.getTarget() Returns the target method of the call site, which behaves like a normal field of the MutableCallSite.
  MethodHandle	SwitchPoint.guardWithTest(MethodHandle target, MethodHandle fallback) Returns a method handle which always delegates either to the target or the fallback.
  static MethodHandle	MethodHandles.guardWithTest(MethodHandle test, MethodHandle target, MethodHandle fallback) Makes a method handle which adapts a target method handle, by guarding it with a test, a boolean-valued method handle.
  static MethodHandle	MethodHandles.identity(Class<?> type) Produces a method handle which returns its sole argument when invoked.
  static MethodHandle	MethodHandles.insertArguments(MethodHandle target, int pos, Object... values) Provides a target method handle with one or more bound arguments in advance of the method handle's invocation.
  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 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.
  static MethodHandle	MethodHandles.throwException(Class<?> returnType, Class<? extends Throwable> exType) Produces a method handle which will throw exceptions of the given exType.
  MethodHandle	MethodHandles.Lookup.unreflect(Method m) Makes a direct method handle to m, if the lookup class has permission.
  MethodHandle	MethodHandles.Lookup.unreflectConstructor(Constructor<?> c) Produces a method handle for a reflected constructor.
  MethodHandle	MethodHandles.Lookup.unreflectGetter(Field f) Produces a method handle giving read access to a reflected field.
  MethodHandle	MethodHandles.Lookup.unreflectSetter(Field f) Produces a method handle giving write access to a reflected field.
  MethodHandle	MethodHandles.Lookup.unreflectSpecial(Method m, Class<?> specialCaller) Produces a method handle for a reflected method.
  static MethodHandle	MethodHandleProxies.wrapperInstanceTarget(Object x) Produces or recovers a target method handle which is behaviorally equivalent to the unique method of this wrapper instance.

  Methods in with parameters of type

  Modifier and Type	Method and Description
  static <T> T	MethodHandleProxies.asInterfaceInstance(Class<T> intfc, MethodHandle target) Produces an instance of the given single-method interface which redirects its calls to the given method handle.
  static MethodHandle	MethodHandles.catchException(MethodHandle target, Class<? extends Throwable> exType, MethodHandle handler) Makes a method handle which adapts a target method handle, by running it inside an exception handler.
  static MethodHandle	MethodHandles.collectArguments(MethodHandle target, int pos, MethodHandle filter) Adapts a target method handle by pre-processing a sub-sequence of its arguments with a filter (another method handle).
  static MethodHandle	MethodHandles.dropArguments(MethodHandle target, int pos, Class<?>... valueTypes) Produces a method handle which will discard some dummy arguments before calling some other specified target method handle.
  static MethodHandle	MethodHandles.dropArguments(MethodHandle target, int pos, List<Class<?>> valueTypes) Produces a method handle which will discard some dummy arguments before calling some other specified target method handle.
  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.
  static MethodHandle	MethodHandles.filterArguments(MethodHandle target, int pos, MethodHandle... filters) Adapts a target method handle by pre-processing one or more of its arguments, each with its own unary filter function, and then calling the target with each pre-processed argument replaced by the result of its corresponding filter function.
  static MethodHandle	MethodHandles.filterArguments(MethodHandle target, int pos, MethodHandle... filters) Adapts a target method handle by pre-processing one or more of its arguments, each with its own unary filter function, and then calling the target with each pre-processed argument replaced by the result of its corresponding filter function.
  static MethodHandle	MethodHandles.filterReturnValue(MethodHandle target, MethodHandle filter) Adapts a target method handle by post-processing its return value (if any) with a filter (another method handle).
  static MethodHandle	MethodHandles.foldArguments(MethodHandle target, MethodHandle combiner) Adapts a target method handle by pre-processing some of its arguments, and then calling the target with the result of the pre-processing, inserted into the original sequence of arguments.
  MethodHandle	SwitchPoint.guardWithTest(MethodHandle target, MethodHandle fallback) Returns a method handle which always delegates either to the target or the fallback.
  static MethodHandle	MethodHandles.guardWithTest(MethodHandle test, MethodHandle target, MethodHandle fallback) Makes a method handle which adapts a target method handle, by guarding it with a test, a boolean-valued method handle.
  static MethodHandle	MethodHandles.insertArguments(MethodHandle target, int pos, Object... values) Provides a target method handle with one or more bound arguments in advance of the method handle's invocation.
  static CallSite	LambdaMetafactory.metafactory(MethodHandles.Lookup caller, String invokedName, MethodType invokedType, MethodType samMethodType, MethodHandle implMethod, MethodType instantiatedMethodType) Facilitates the creation of simple "function objects" that implement one or more interfaces by delegation to a provided MethodHandle, after appropriate type adaptation and partial evaluation of arguments.
  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 <T extends Member> T	MethodHandles.reflectAs(Class<T> expected, MethodHandle target) Performs an unchecked "crack" of a direct method handle.
  MethodHandleInfo	MethodHandles.Lookup.revealDirect(MethodHandle target) Cracks a direct method handle created by this lookup object or a similar one.
  abstract void	CallSite.setTarget(MethodHandle newTarget) Updates the target method of this call site, according to the behavior defined by this call site's specific class.
  void	ConstantCallSite.setTarget(MethodHandle ignore) Always throws an UnsupportedOperationException.
  void	VolatileCallSite.setTarget(MethodHandle newTarget) Updates the target method of this call site, as a volatile variable.
  void	MutableCallSite.setTarget(MethodHandle newTarget) Updates the target method of this call site, as a normal variable.

  Constructors in java.lang.invoke with parameters of type MethodHandle

  Constructor and Description
  	ConstantCallSite(MethodHandle target) Creates a call site with a permanent target.
  	ConstantCallSite(MethodType targetType, MethodHandle createTargetHook) Creates a call site with a permanent target, possibly bound to the call site itself.
  	MutableCallSite(MethodHandle target) Creates a call site object with an initial target method handle.
  	VolatileCallSite(MethodHandle target) Creates a call site with a volatile binding to its target.