1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
//
// Authors:
// Ben Motmans <ben.motmans@gmail.com>
//
// Copyright (c) 2007 Ben Motmans
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
using System;
using System.Data;
using System.Collections.Generic;
namespace MonoDevelop.Database.Sql
{
public abstract class AbstractDbFactory : IDbFactory
{
protected Dictionary<string, SchemaActions> supportedActions;
protected Dictionary<string, Dictionary<SchemaActions, int>> capabilities;
protected AbstractDbFactory ()
{
supportedActions = new Dictionary<string,SchemaActions> ();
capabilities = new Dictionary<string,Dictionary<SchemaActions,int>> ();
}
public abstract string Identifier { get; }
public abstract string Name { get; }
public abstract ISqlDialect Dialect { get; }
public abstract IConnectionProvider ConnectionProvider { get; }
public abstract IGuiProvider GuiProvider { get; }
public abstract DatabaseConnectionSettings GetDefaultConnectionSettings ();
public abstract IConnectionPool CreateConnectionPool (MonoDevelop.Database.Sql.DatabaseConnectionContext context);
public abstract ISchemaProvider CreateSchemaProvider (MonoDevelop.Database.Sql.IConnectionPool connectionPool);
public SchemaActions GetSupportedActions (string category)
{
if (category == null)
throw new ArgumentNullException ("category");
SchemaActions actions;
if (supportedActions.TryGetValue (category, out actions))
return actions;
return SchemaActions.None;
}
public void SetSupportedActions (string category, SchemaActions actions)
{
if (category == null)
throw new ArgumentNullException ("category");
if (supportedActions.ContainsKey (category)) {
SchemaActions tmp = supportedActions[category];
tmp |= actions;
supportedActions[category] = tmp;
} else {
supportedActions.Add (category, actions);
}
}
public bool IsActionSupported (string category, SchemaActions action)
{
SchemaActions actions = GetSupportedActions (category);
return (actions & action) == action;
}
public int GetCapabilities (string category, SchemaActions action)
{
if (category == null)
throw new ArgumentNullException ("category");
Dictionary<SchemaActions, int> dict = null;
if (capabilities.TryGetValue (category, out dict)) {
int val;
if (dict.TryGetValue (action, out val))
return val;
}
return 0;
}
public void SetCapabilities (string category, SchemaActions action, int flags)
{
if (category == null)
throw new ArgumentNullException ("category");
if (flags < 0)
throw new ArgumentException ("flags must be >= 0");
foreach (int val in Enum.GetValues (typeof (SchemaActions))) {
if (val == 0) //skip SchemaActions.None
continue;
if ((val & (int)action) == val) {
if (!capabilities.ContainsKey (category))
capabilities.Add (category, new Dictionary<SchemaActions, int> ());
Dictionary<SchemaActions, int> dict = capabilities[category];
if (dict.ContainsKey ((SchemaActions)val)) {
int tmp = dict[(SchemaActions)val];
tmp |= flags;
dict[(SchemaActions)val] = tmp;
} else {
dict.Add ((SchemaActions)val, flags);
}
}
}
}
public bool IsCapabilitySupported (string category, SchemaActions action, Enum capability)
{
if (category == null)
throw new ArgumentNullException ("category");
int lookup = GetCapabilities (category, action);
int value = (int)capability;
return (lookup & value) == value;
}
}
}
|
