ivalue.h
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1 /*
2  * Copyright (C) 2005 Tommi Maekitalo
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * As a special exception, you may use this file as part of a free
10  * software library without restriction. Specifically, if other files
11  * instantiate templates or use macros or inline functions from this
12  * file, or you compile this file and link it with other files to
13  * produce an executable, this file does not by itself cause the
14  * resulting executable to be covered by the GNU General Public
15  * License. This exception does not however invalidate any other
16  * reasons why the executable file might be covered by the GNU Library
17  * General Public License.
18  *
19  * This library is distributed in the hope that it will be useful,
20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22  * Lesser General Public License for more details.
23  *
24  * You should have received a copy of the GNU Lesser General Public
25  * License along with this library; if not, write to the Free Software
26  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
27  */
28 
29 #ifndef TNTDB_IFACE_IVALUE_H
30 #define TNTDB_IFACE_IVALUE_H
31 
32 #include <cxxtools/refcounted.h>
33 #include <cxxtools/string.h>
34 #include <string>
35 #include <stdint.h>
36 
37 namespace tntdb
38 {
39  class Date;
40  class Time;
41  class Datetime;
42  class Decimal;
43  class Blob;
44 
47  {
48  public:
49  virtual bool isNull() const = 0;
50  virtual bool getBool() const = 0;
51  virtual short getShort() const = 0;
52  virtual int getInt() const = 0;
53  virtual long getLong() const = 0;
54  virtual unsigned getUnsigned() const = 0;
55  virtual unsigned short getUnsignedShort() const = 0;
56  virtual unsigned long getUnsignedLong() const = 0;
57  virtual int32_t getInt32() const = 0;
58  virtual uint32_t getUnsigned32() const = 0;
59  virtual int64_t getInt64() const = 0;
60  virtual uint64_t getUnsigned64() const = 0;
61  virtual Decimal getDecimal() const = 0;
62  virtual float getFloat() const = 0;
63  virtual double getDouble() const = 0;
64  virtual char getChar() const = 0;
65  virtual void getString(std::string& ret) const = 0;
66  virtual void getBlob(Blob& ret) const = 0;
67  virtual Date getDate() const = 0;
68  virtual Time getTime() const = 0;
69  virtual Datetime getDatetime() const = 0;
70  virtual void getUString(cxxtools::String& ret) const;
71  };
72 }
73 
74 #endif // TNTDB_IFACE_IVALUE_H
75