本文整理汇总了Java中sun.invoke.util.ValueConversions.ignore方法的典型用法代码示例。如果您正苦于以下问题：Java ValueConversions.ignore方法的具体用法？Java ValueConversions.ignore怎么用？Java ValueConversions.ignore使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类sun.invoke.util.ValueConversions的用法示例。
在下文中一共展示了ValueConversions.ignore方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: makeGuardWithCatch
import sun.invoke.util.ValueConversions; //导入方法依赖的package包/类
static
MethodHandle makeGuardWithCatch(MethodHandle target,
Class<? extends Throwable> exType,
MethodHandle catcher) {
MethodType type = target.type();
LambdaForm form = makeGuardWithCatchForm(type.basicType());
// Prepare auxiliary method handles used during LambdaForm interpreation.
// Box arguments and wrap them into Object[]: ValueConversions.array().
MethodType varargsType = type.changeReturnType(Object[].class);
MethodHandle collectArgs = varargsArray(type.parameterCount()).asType(varargsType);
// Result unboxing: ValueConversions.unbox() OR ValueConversions.identity() OR ValueConversions.ignore().
MethodHandle unboxResult;
Class<?> rtype = type.returnType();
if (rtype.isPrimitive()) {
if (rtype == void.class) {
unboxResult = ValueConversions.ignore();
} else {
Wrapper w = Wrapper.forPrimitiveType(type.returnType());
unboxResult = ValueConversions.unboxExact(w);
}
} else {
unboxResult = MethodHandles.identity(Object.class);
}
BoundMethodHandle.SpeciesData data = BoundMethodHandle.speciesData_LLLLL();
BoundMethodHandle mh;
try {
mh = (BoundMethodHandle)
data.constructor().invokeBasic(type, form, (Object) target, (Object) exType, (Object) catcher,
(Object) collectArgs, (Object) unboxResult);
} catch (Throwable ex) {
throw uncaughtException(ex);
}
assert(mh.type() == type);
return mh;
}
示例2: unboxResultHandle
import sun.invoke.util.ValueConversions; //导入方法依赖的package包/类
/** Result unboxing: ValueConversions.unbox() OR ValueConversions.identity() OR ValueConversions.ignore(). */
private static MethodHandle unboxResultHandle(Class<?> returnType) {
if (returnType.isPrimitive()) {
if (returnType == void.class) {
return ValueConversions.ignore();
} else {
Wrapper w = Wrapper.forPrimitiveType(returnType);
return ValueConversions.unboxExact(w);
}
} else {
return MethodHandles.identity(Object.class);
}
}
示例3: makeGuardWithCatch
import sun.invoke.util.ValueConversions; //导入方法依赖的package包/类
static
MethodHandle makeGuardWithCatch(MethodHandle target,
Class<? extends Throwable> exType,
MethodHandle catcher) {
MethodType type = target.type();
LambdaForm form = makeGuardWithCatchForm(type.basicType());
// Prepare auxiliary method handles used during LambdaForm interpretation.
// Box arguments and wrap them into Object[]: ValueConversions.array().
MethodType varargsType = type.changeReturnType(Object[].class);
MethodHandle collectArgs = varargsArray(type.parameterCount()).asType(varargsType);
// Result unboxing: ValueConversions.unbox() OR ValueConversions.identity() OR ValueConversions.ignore().
MethodHandle unboxResult;
Class<?> rtype = type.returnType();
if (rtype.isPrimitive()) {
if (rtype == void.class) {
unboxResult = ValueConversions.ignore();
} else {
Wrapper w = Wrapper.forPrimitiveType(type.returnType());
unboxResult = ValueConversions.unboxExact(w);
}
} else {
unboxResult = MethodHandles.identity(Object.class);
}
BoundMethodHandle.SpeciesData data = BoundMethodHandle.speciesData_LLLLL();
BoundMethodHandle mh;
try {
mh = (BoundMethodHandle)
data.constructor().invokeBasic(type, form, (Object) target, (Object) exType, (Object) catcher,
(Object) collectArgs, (Object) unboxResult);
} catch (Throwable ex) {
throw uncaughtException(ex);
}
assert(mh.type() == type);
return mh;
}