Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / xsp / System / Web / Configuration / SqlCacheDependencySection.cs / 2 / SqlCacheDependencySection.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.Configuration { using System; using System.Xml; using System.Configuration; using System.Collections.Specialized; using System.Collections; using System.Globalization; using System.IO; using System.Text; using System.Diagnostics; using System.Security.Permissions; /**/ [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] public sealed class SqlCacheDependencySection : ConfigurationSection { private static readonly ConfigurationElementProperty s_elemProperty = new ConfigurationElementProperty(new CallbackValidator(typeof(SqlCacheDependencySection), Validate)); private static ConfigurationPropertyCollection _properties; private static readonly ConfigurationProperty _propEnabled; private static readonly ConfigurationProperty _propPollTime; private static readonly ConfigurationProperty _propDatabases; static SqlCacheDependencySection() { // Property initialization _properties = new ConfigurationPropertyCollection(); _propEnabled = new ConfigurationProperty("enabled", typeof(bool), true, ConfigurationPropertyOptions.None); _propPollTime = new ConfigurationProperty("pollTime", typeof(int), 60000, ConfigurationPropertyOptions.None); _propDatabases = new ConfigurationProperty("databases", typeof(SqlCacheDependencyDatabaseCollection), null, ConfigurationPropertyOptions.IsDefaultCollection); _properties.Add(_propEnabled); _properties.Add(_propPollTime); _properties.Add(_propDatabases); } public SqlCacheDependencySection() { } protected override ConfigurationPropertyCollection Properties { get { return _properties; } } protected override ConfigurationElementProperty ElementProperty { get { return s_elemProperty; } } private static void Validate(object value) { if (value == null) { throw new ArgumentNullException("sqlCacheDependency"); } Debug.Assert(value is SqlCacheDependencySection); SqlCacheDependencySection elem = (SqlCacheDependencySection)value; int defaultPollTime = elem.PollTime; if (defaultPollTime != 0 && defaultPollTime < 500) { throw new ConfigurationErrorsException( SR.GetString(SR.Invalid_sql_cache_dep_polltime), elem.ElementInformation.Properties["pollTime"].Source, elem.ElementInformation.Properties["pollTime"].LineNumber); } } protected override void PostDeserialize() { int defaultPollTime = PollTime; foreach (SqlCacheDependencyDatabase dbase in Databases) { dbase.CheckDefaultPollTime(defaultPollTime); } } [ConfigurationProperty("enabled", DefaultValue = true)] public bool Enabled { get { return (bool)base[_propEnabled]; } set { base[_propEnabled] = value; } } [ConfigurationProperty("pollTime", DefaultValue = 60000)] public int PollTime { get { return (int)base[_propPollTime]; } set { base[_propPollTime] = value; } } [ConfigurationProperty("databases")] public SqlCacheDependencyDatabaseCollection Databases { get { return (SqlCacheDependencyDatabaseCollection)base[_propDatabases]; } } } }
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