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//
// System.Data.Configuration.GlobaConfig.cs
//
// Authors:
// Konstantin Triger <kostat@mainsoft.com>
//
// (C) 2005 Mainsoft Corporation (http://www.mainsoft.com)
//
//
// 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.Collections;
using System.Configuration;
using System.Xml;
using System.Collections.Specialized;
namespace System.Data.Configuration {
internal enum BooleanSetting {
False,
True,
NotSet
}
internal sealed class Switches {
private Switches() {}
const string SwitchesSection = "system.data/switches";
const string PrefetchSchemaConfigName = "JDBC.PrefetchSchema";
static readonly string AppDomainPrefetchSchemaConfigName = String.Concat(SwitchesSection, "/", PrefetchSchemaConfigName);
internal static BooleanSetting PrefetchSchema {
get {
object value = AppDomain.CurrentDomain.GetData(AppDomainPrefetchSchemaConfigName);
if (value != null)
return (BooleanSetting)value;
BooleanSetting setting = BooleanSetting.NotSet;
NameValueCollection switches = (NameValueCollection)ConfigurationSettings.GetConfig(SwitchesSection);
if (switches != null) {
string strVal = (string)switches[PrefetchSchemaConfigName];
if (strVal != null) {
try {
setting = Boolean.Parse(strVal) ? BooleanSetting.True : BooleanSetting.False;
}
catch (Exception e) {
throw new ConfigurationException(e.Message, e);
}
}
}
//lock(AppDomainPrefetchSchemaConfigName)
AppDomain.CurrentDomain.SetData(AppDomainPrefetchSchemaConfigName, setting);
return setting;
}
}
}
}
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