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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_INTERFACE_SERIALIZATION_ISERIALIZABLE_H
17 #define META_INTERFACE_SERIALIZATION_ISERIALIZABLE_H
18 
19 #include <core/plugin/intf_interface.h>
20 
21 #include <meta/base/interface_macros.h>
22 #include <meta/base/namespace.h>
23 #include <meta/interface/serialization/intf_export_context.h>
24 #include <meta/interface/serialization/intf_import_context.h>
25 
META_BEGIN_NAMESPACE()26 META_BEGIN_NAMESPACE()
27 
28 /// Explicit serialisation interface for objects
29 class ISerializable : public CORE_NS::IInterface {
30     META_INTERFACE(CORE_NS::IInterface, ISerializable, "b832ef10-9cb2-4222-8429-eef0e1bbed3b")
31 public:
32     /// Called when object is being exported
33     virtual ReturnError Export(IExportContext&) const = 0;
34     /// Called when object is being imported
35     virtual ReturnError Import(IImportContext&) = 0;
36 };
37 
38 /// Interface for objects to support finalize call after the whole object hierarchy has been imported
39 class IImportFinalize : public CORE_NS::IInterface {
40     META_INTERFACE(CORE_NS::IInterface, IImportFinalize, "b01e26e5-5b83-45fa-94c4-b461425b2311")
41 public:
42     /**
43      * @brief Called after whole object interface has been imported
44      * @return Return error to fail the import process, or success to continue
45      *
46      * This can be used to check the data is valid or use IImportFunctions to resolve ref uri.
47      * The Finalize calls are called the opposite order than importing, it is called last for the root node.
48      */
49     virtual ReturnError Finalize(IImportFunctions&) = 0;
50 };
51 
52 META_INTERFACE_TYPE(META_NS::ISerializable)
53 
54 META_END_NAMESPACE()
55 
56 #endif
57