1 /*
2  * Copyright (c) 2024 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef META_SRC_SETTABLE_FUNCTION_H
17 #define META_SRC_SETTABLE_FUNCTION_H
18 
19 #include <meta/interface/intf_function.h>
20 #include <meta/interface/serialization/intf_serializable.h>
21 
22 #include "base_object.h"
23 
24 META_BEGIN_NAMESPACE()
25 
26 class SettableFunction
27     : public Internal::BaseObjectFwd<SettableFunction, ClassId::SettableFunction, ISettableFunction, ISerializable> {
28 public: // IFunction
29     BASE_NS::string GetName() const override;
30     IObject::ConstPtr GetDestination() const override;
31     void Invoke(const ICallContext::Ptr& context) const override;
32     ICallContext::Ptr CreateCallContext() const override;
33 
34     bool SetTarget(const IObject::Ptr& obj, BASE_NS::string_view name) override;
35 
36 private:
37     bool ResolveFunction(const IObject::Ptr& obj, BASE_NS::string_view name);
38 
39     ReturnError Export(IExportContext&) const override;
40     ReturnError Import(IImportContext&) override;
41 
42 private:
43     IFunction::ConstWeakPtr func_;
44 };
45 
46 class PropertyFunction : public Internal::BaseObjectFwd<PropertyFunction, ClassId::PropertyFunction, IPropertyFunction,
47                              ISerializable, IImportFinalize> {
48 public: // IFunction
49     BASE_NS::string GetName() const override;
50     IObject::ConstPtr GetDestination() const override;
51     void Invoke(const ICallContext::Ptr& context) const override;
52     ICallContext::Ptr CreateCallContext() const override;
53 
54     bool SetTarget(const IProperty::ConstPtr& prop) override;
55 
56     ReturnError Export(IExportContext&) const override;
57     ReturnError Import(IImportContext&) override;
58 
59     ReturnError Finalize(IImportFunctions&) override;
60 
61 private:
62     RefUri uri_;
63     IProperty::ConstWeakPtr prop_;
64 };
65 
66 META_END_NAMESPACE()
67 
68 #endif
69