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-rw-r--r--ThirdParty/TribalMedia/TribalMedia.Framework.Data/TableMapper.cs118
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1/*
2* Copyright (c) Tribal Media AB, http://tribalmedia.se/
3*
4* Redistribution and use in source and binary forms, with or without
5* modification, are permitted provided that the following conditions are met:
6* * Redistributions of source code must retain the above copyright
7* notice, this list of conditions and the following disclaimer.
8* * Redistributions in binary form must reproduce the above copyright
9* notice, this list of conditions and the following disclaimer in the
10* documentation and/or other materials provided with the distribution.
11* * The name of Tribal Media AB may not be used to endorse or promote products
12* derived from this software without specific prior written permission.
13*
14* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
15* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
18* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
21* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
23* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24*
25*/
26
27using System;
28using System.Data;
29using System.Data.Common;
30using TribalMedia.Framework.Data;
31
32namespace TribalMedia.Framework.Data
33{
34 public abstract class TableMapper
35 {
36 private readonly DatabaseMapper m_database;
37 private readonly object m_syncRoot = new object();
38
39 protected void WithConnection(Action<DbConnection> action)
40 {
41 lock (m_syncRoot)
42 {
43 DbConnection m_connection = m_database.GetNewConnection();
44
45 if (m_connection.State != ConnectionState.Open)
46 {
47 m_connection.Open();
48 }
49
50 action(m_connection);
51
52 if (m_connection.State == ConnectionState.Open)
53 {
54 m_connection.Close();
55 }
56 }
57 }
58
59 private readonly string m_tableName;
60 public string TableName
61 {
62 get { return m_tableName; }
63 }
64
65 protected Schema m_schema;
66 public Schema Schema
67 {
68 get { return m_schema; }
69 }
70
71 protected FieldMapper m_keyFieldMapper;
72 public FieldMapper KeyFieldMapper
73 {
74 get { return m_keyFieldMapper; }
75 }
76
77 public TableMapper(DatabaseMapper database, string tableName)
78 {
79 m_database = database;
80 m_tableName = tableName.ToLower(); // Stupid MySQL hack.
81 }
82
83 public string CreateParamName(string fieldName)
84 {
85 return m_database.CreateParamName(fieldName);
86 }
87
88 protected DbCommand CreateSelectCommand(DbConnection connection, string fieldName, object primaryKey)
89 {
90 return m_database.CreateSelectCommand(this, connection, fieldName, primaryKey);
91 }
92
93 public string CreateCondition(DbCommand command, string fieldName, object key)
94 {
95 return m_database.CreateCondition(this, command, fieldName, key);
96 }
97
98 public DbCommand CreateInsertCommand(DbConnection connection, object obj)
99 {
100 return m_database.CreateInsertCommand(this, connection, obj);
101 }
102
103 public DbCommand CreateUpdateCommand(DbConnection connection, object rowMapper, object primaryKey)
104 {
105 return m_database.CreateUpdateCommand(this, connection, rowMapper, primaryKey);
106 }
107
108 public object ConvertToDbType(object value)
109 {
110 return m_database.ConvertToDbType(value);
111 }
112
113 protected virtual DataReader CreateReader(IDataReader reader)
114 {
115 return new DataReader(reader);
116 }
117 }
118} \ No newline at end of file