Java Code Examples for jdk.internal.dynalink.linker.GuardedInvocation#asType()

@Override
public GuardedTypeConversion convertToType(final Class<?> sourceType, final Class<?> targetType) throws Exception {
    GuardedInvocation gi = convertToTypeNoCast(sourceType, targetType);
    if(gi != null) {
        return new GuardedTypeConversion(gi.asType(MH.type(targetType, sourceType)), true);
    }
    gi = getSamTypeConverter(sourceType, targetType);
    if(gi != null) {
        return new GuardedTypeConversion(gi.asType(MH.type(targetType, sourceType)), false);
    }
    return null;
}
 

@Override
public GuardedTypeConversion convertToType(final Class<?> sourceType, final Class<?> targetType) throws Exception {
    GuardedInvocation gi = convertToTypeNoCast(sourceType, targetType);
    if(gi != null) {
        return new GuardedTypeConversion(gi.asType(MH.type(targetType, sourceType)), true);
    }
    gi = getSamTypeConverter(sourceType, targetType);
    if(gi != null) {
        return new GuardedTypeConversion(gi.asType(MH.type(targetType, sourceType)), false);
    }
    return null;
}
 

@Override
public GuardedTypeConversion convertToType(final Class<?> sourceType, final Class<?> targetType) throws Exception {
    GuardedInvocation gi = convertToTypeNoCast(sourceType, targetType);
    if(gi != null) {
        return new GuardedTypeConversion(gi.asType(MH.type(targetType, sourceType)), true);
    }
    gi = getSamTypeConverter(sourceType, targetType);
    if(gi != null) {
        return new GuardedTypeConversion(gi.asType(MH.type(targetType, sourceType)), false);
    }
    return null;
}
 

@Override
public GuardedTypeConversion convertToType(final Class<?> sourceType, final Class<?> targetType) throws Exception {
    final GuardedInvocation gi = convertToTypeNoCast(sourceType, targetType);
    return gi == null ? null : new GuardedTypeConversion(gi.asType(MH.type(targetType, sourceType)), true);
}
 

@Override
public GuardedTypeConversion convertToType(final Class<?> sourceType, final Class<?> targetType) throws Exception {
    final GuardedInvocation gi = convertToTypeNoCast(sourceType, targetType);
    return gi == null ? null : new GuardedTypeConversion(gi.asType(MH.type(targetType, sourceType)), true);
}
 

@Override
public GuardedInvocation convertToType(final Class<?> sourceType, final Class<?> targetType) throws Exception {
    final GuardedInvocation gi = convertToTypeNoCast(sourceType, targetType);
    return gi == null ? null : gi.asType(MH.type(targetType, sourceType));
}
 

@Override
public GuardedInvocation filter(final GuardedInvocation inv, final LinkRequest request, final LinkerServices linkerServices) {
    return inv.asType(linkerServices, request.getCallSiteDescriptor().getMethodType());
}
 

private static GuardedInvocation fixReceiverType(final GuardedInvocation link, final MethodHandle filter) {
    // The receiver may be an Object or a ScriptObject.
    final MethodType invType = link.getInvocation().type();
    final MethodType newInvType = invType.changeParameterType(0, filter.type().returnType());
    return link.asType(newInvType);
}
 

@Override
public GuardedTypeConversion convertToType(final Class<?> sourceType, final Class<?> targetType) throws Exception {
    final GuardedInvocation gi = convertToTypeNoCast(sourceType, targetType);
    return gi == null ? null : new GuardedTypeConversion(gi.asType(MH.type(targetType, sourceType)), true);
}
 

private static GuardedInvocation fixReceiverType(final GuardedInvocation link, final MethodHandle filter) {
    // The receiver may be an Object or a ScriptObject.
    final MethodType invType = link.getInvocation().type();
    final MethodType newInvType = invType.changeParameterType(0, filter.type().returnType());
    return link.asType(newInvType);
}
 

@Override
public GuardedInvocation filter(final GuardedInvocation inv, final LinkRequest request, final LinkerServices linkerServices) {
    return inv.asType(linkerServices, request.getCallSiteDescriptor().getMethodType());
}
 

private static GuardedInvocation fixReceiverType(final GuardedInvocation link, final MethodHandle filter) {
    // The receiver may be an Object or a ScriptObject.
    final MethodType invType = link.getInvocation().type();
    final MethodType newInvType = invType.changeParameterType(0, filter.type().returnType());
    return link.asType(newInvType);
}
 

@Override
public GuardedTypeConversion convertToType(final Class<?> sourceType, final Class<?> targetType) throws Exception {
    final GuardedInvocation gi = convertToTypeNoCast(sourceType, targetType);
    return gi == null ? null : new GuardedTypeConversion(gi.asType(MH.type(targetType, sourceType)), true);
}
 

@Override
public GuardedTypeConversion convertToType(final Class<?> sourceType, final Class<?> targetType) throws Exception {
    final GuardedInvocation gi = convertToTypeNoCast(sourceType, targetType);
    return gi == null ? null : new GuardedTypeConversion(gi.asType(MH.type(targetType, sourceType)), true);
}
 

private static GuardedInvocation fixReceiverType(final GuardedInvocation link, final MethodHandle filter) {
    // The receiver may be an Object or a ScriptObject.
    final MethodType invType = link.getInvocation().type();
    final MethodType newInvType = invType.changeParameterType(0, filter.type().returnType());
    return link.asType(newInvType);
}
 

@Override
public GuardedTypeConversion convertToType(final Class<?> sourceType, final Class<?> targetType) throws Exception {
    final GuardedInvocation gi = convertToTypeNoCast(sourceType, targetType);
    return gi == null ? null : new GuardedTypeConversion(gi.asType(MH.type(targetType, sourceType)), true);
}
 

private static GuardedInvocation fixReceiverType(final GuardedInvocation link, final MethodHandle filter) {
    // The receiver may be an Object or a ScriptObject.
    final MethodType invType = link.getInvocation().type();
    final MethodType newInvType = invType.changeParameterType(0, filter.type().returnType());
    return link.asType(newInvType);
}
 

/**
 * Takes a guarded invocation, and ensures its method and guard conform to the type of the call descriptor, using
 * all type conversions allowed by the linker's services. This method is used by Nashorn's linkers as a last step
 * before returning guarded invocations to the callers. Most of the code used to produce the guarded invocations
 * does not make an effort to coordinate types of the methods, and so a final type adjustment before a guarded
 * invocation is returned is the responsibility of the linkers themselves.
 * @param inv the guarded invocation that needs to be type-converted. Can be null.
 * @param linkerServices the linker services object providing the type conversions.
 * @param desc the call site descriptor to whose method type the invocation needs to conform.
 * @return the type-converted guarded invocation. If input is null, null is returned. If the input invocation
 * already conforms to the requested type, it is returned unchanged.
 */
static GuardedInvocation asType(final GuardedInvocation inv, final LinkerServices linkerServices, final CallSiteDescriptor desc) {
    return inv == null ? null : inv.asType(linkerServices, desc.getMethodType());
}
 

/**
 * Takes a guarded invocation, and ensures its method and guard conform to the type of the call descriptor, using
 * all type conversions allowed by the linker's services. This method is used by Nashorn's linkers as a last step
 * before returning guarded invocations to the callers. Most of the code used to produce the guarded invocations
 * does not make an effort to coordinate types of the methods, and so a final type adjustment before a guarded
 * invocation is returned is the responsibility of the linkers themselves.
 * @param inv the guarded invocation that needs to be type-converted. Can be null.
 * @param linkerServices the linker services object providing the type conversions.
 * @param desc the call site descriptor to whose method type the invocation needs to conform.
 * @return the type-converted guarded invocation. If input is null, null is returned. If the input invocation
 * already conforms to the requested type, it is returned unchanged.
 */
static GuardedInvocation asType(final GuardedInvocation inv, final LinkerServices linkerServices, final CallSiteDescriptor desc) {
    return inv == null ? null : inv.asType(linkerServices, desc.getMethodType());
}
 

/**
 * Takes a guarded invocation, and ensures its method and guard conform to the type of the call descriptor, using
 * all type conversions allowed by the linker's services. This method is used by Nashorn's linkers as a last step
 * before returning guarded invocations to the callers. Most of the code used to produce the guarded invocations
 * does not make an effort to coordinate types of the methods, and so a final type adjustment before a guarded
 * invocation is returned is the responsibility of the linkers themselves.
 * @param inv the guarded invocation that needs to be type-converted. Can be null.
 * @param linkerServices the linker services object providing the type conversions.
 * @param desc the call site descriptor to whose method type the invocation needs to conform.
 * @return the type-converted guarded invocation. If input is null, null is returned. If the input invocation
 * already conforms to the requested type, it is returned unchanged.
 */
static GuardedInvocation asType(final GuardedInvocation inv, final LinkerServices linkerServices, final CallSiteDescriptor desc) {
    return inv == null ? null : inv.asType(linkerServices, desc.getMethodType());
}