1 /*  $Id: huge_asn_loader.hpp 636820 2021-08-31 18:41:37Z ivanov $
2 * ===========================================================================
3 *
4 *                            PUBLIC DOMAIN NOTICE
5 *               National Center for Biotechnology Information
6 *
7 *  This software/database is a "United States Government Work" under the
8 *  terms of the United States Copyright Act.  It was written as part of
9 *  the author's official duties as a United States Government employee and
10 *  thus cannot be copyrighted.  This software/database is freely available
11 *  to the public for use. The National Library of Medicine and the U.S.
12 *  Government have not placed any restriction on its use or reproduction.
13 *
14 *  Although all reasonable efforts have been taken to ensure the accuracy
15 *  and reliability of the software and data, the NLM and the U.S.
16 *  Government do not and cannot warrant the performance or results that
17 *  may be obtained by using this software or data. The NLM and the U.S.
18 *  Government disclaim all warranties, express or implied, including
19 *  warranties of performance, merchantability or fitness for any particular
20 *  purpose.
21 *
22 *  Please cite the author in any work or product based on this material.
23 *
24 * ===========================================================================
25 *
26 * Authors:  Sergiy Gotvyanskyy
27 *
28 * File Description:
29 *
30 *
31 */
32 
33 #ifndef _HUGE_ASN_DATALOADER_HPP_INCLUDED_
34 #define _HUGE_ASN_DATALOADER_HPP_INCLUDED_
35 
36 #include <corelib/ncbistd.hpp>
37 #include <objmgr/data_loader.hpp>
38 
39 BEGIN_NCBI_SCOPE
40 
41 class CHugeAsnReader;
42 
43 BEGIN_SCOPE(objects)
44 
45 class CHugeAsnDataLoader: public CDataLoader
46 {
47 public:
48     typedef SRegisterLoaderInfo<CHugeAsnDataLoader> TRegisterLoaderInfo;
49     CHugeAsnDataLoader(const string& name, const string& filename);
50 
51     static TRegisterLoaderInfo RegisterInObjectManager(
52         CObjectManager& om,
53         const string& loader_name,
54         const string& filename,
55         CObjectManager::EIsDefault is_default = CObjectManager::eNonDefault,
56         CObjectManager::TPriority priority = CObjectManager::kPriority_Default);
57 
58     TTSE_LockSet GetRecords(const CSeq_id_Handle& idh, EChoice choice) override;
59     TBlobId GetBlobId(const CSeq_id_Handle& idh) override;
60     TTSE_Lock GetBlobById(const TBlobId& blob_id) override;
61 
CanGetBlobById(void) const62     bool CanGetBlobById(void) const override
63     {
64         return true;
65     }
66 
67 private:
68     std::unique_ptr<CHugeAsnReader> m_reader;
69     string m_filename;
70 };
71 
72 END_SCOPE(objects)
73 END_NCBI_SCOPE
74 
75 #endif // _HUGE_ASN_DATALOADER_HPP_INCLUDED_
76