Examples of org.dynalang.dynalink.linker.TypeBasedGuardingDynamicLinker

org.dynalang.dynalink.linker.TypeBasedGuardingDynamicLinker
A guarding dynamic linker that can determine whether it can link the call site solely based on the type of the first argument at linking invocation time. (The first argument is usually the receiver class). Most language-specific linkers will fall into this category, as they recognize their native objects as Java objects of classes implementing a specific language-native interface or superclass. The linker mechanism can optimize the dispatch for these linkers. @author Attila Szegedi

     * Returns a collection of names of all readable instance properties of a class.
     * @param clazz the class
     * @return a collection of names of all readable instance properties of a class.
     */
    public static Collection<String> getReadableInstancePropertyNames(Class<?> clazz) {
        TypeBasedGuardingDynamicLinker linker = getLinkerForClass(clazz);
        if(linker instanceof BeanLinker) {
            return ((BeanLinker)linker).getReadablePropertyNames();
        }
        return Collections.emptySet();
    }

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     * Returns a collection of names of all writable instance properties of a class.
     * @param clazz the class
     * @return a collection of names of all writable instance properties of a class.
     */
    public static Collection<String> getWritableInstancePropertyNames(Class<?> clazz) {
        TypeBasedGuardingDynamicLinker linker = getLinkerForClass(clazz);
        if(linker instanceof BeanLinker) {
            return ((BeanLinker)linker).getWritablePropertyNames();
        }
        return Collections.emptySet();
    }

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     * Returns a collection of names of all instance methods of a class.
     * @param clazz the class
     * @return a collection of names of all instance methods of a class.
     */
    public static Collection<String> getInstanceMethodNames(Class<?> clazz) {
        TypeBasedGuardingDynamicLinker linker = getLinkerForClass(clazz);
        if(linker instanceof BeanLinker) {
            return ((BeanLinker)linker).getMethodNames();
        }
        return Collections.emptySet();
    }

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        @Override
        protected List<TypeBasedGuardingDynamicLinker> computeValue(Class<?> clazz) {
            List<TypeBasedGuardingDynamicLinker> list = NO_LINKER;
            for(int i = 0; i < linkers.length; ++i) {
                final TypeBasedGuardingDynamicLinker linker = linkers[i];
                if(linker.canLinkType(clazz)) {
                    switch(list.size()) {
                        case 0: {
                            list = singletonLinkers[i];
                            break;
                        }

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                Collections.nCopies(args.length + 2, Object.class).toArray(new Class[0])), ls).invokeWithArguments(
                        argList));
    }


    public static void main(String[] args) throws Throwable {
        TypeBasedGuardingDynamicLinker linker = BeansLinker.getLinkerForClass(Test1.class);
        LinkerServices ls = LinkerServicesFactory.getLinkerServices(linker);




        Test1 test1 = new Test1();
        GuardedInvocation inv = linker.getGuardedInvocation(new LinkRequestImpl(
                CallSiteDescriptorFactory.create(MethodHandles.publicLookup(), "dyn:callMethod:add",
                        MethodType.methodType(Object.class, Object.class, Object.class, Object.class, Object.class, Object.class)),
                        false, null, null, null, null, null), ls);
        MethodHandle handle = inv.getInvocation();

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Related Classes of org.dynalang.dynalink.linker.TypeBasedGuardingDynamicLinker

org.dynalang.dynalink.beans.BeansLinker

org.dynalang.dynalink.beans.TestOverloadedDynamicMethod

org.dynalang.dynalink.support.CompositeTypeBasedGuardingDynamicLinker$ClassToLinker

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