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//------------------------------------------------------------------------------
// <copyright file="SqlCacheDependencyDatabase.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
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;
// class SqlCacheDependencySection
public sealed class SqlCacheDependencyDatabase : ConfigurationElement {
private static readonly ConfigurationElementProperty s_elemProperty = new ConfigurationElementProperty(new CallbackValidator(typeof(SqlCacheDependencyDatabase), Validate));
private static ConfigurationPropertyCollection _properties;
private static readonly ConfigurationProperty _propName;
private static readonly ConfigurationProperty _propConnectionStringName;
private static readonly ConfigurationProperty _propPollTime;
static SqlCacheDependencyDatabase() {
// Property initialization
_properties = new ConfigurationPropertyCollection();
_propName =
new ConfigurationProperty("name",
typeof(string),
null,
null,
StdValidatorsAndConverters.NonEmptyStringValidator,
ConfigurationPropertyOptions.IsRequired |
ConfigurationPropertyOptions.IsKey);
_propConnectionStringName =
new ConfigurationProperty("connectionStringName",
typeof(string),
null,
null,
StdValidatorsAndConverters.NonEmptyStringValidator,
ConfigurationPropertyOptions.IsRequired);
_propPollTime = new ConfigurationProperty("pollTime",
typeof(int),
60000,
ConfigurationPropertyOptions.None);
_properties.Add(_propName);
_properties.Add(_propConnectionStringName);
_properties.Add(_propPollTime);
}
private int defaultPollTime; // This may be set by the outer node to specify the default poll time (i.e. not specified on this node)
public SqlCacheDependencyDatabase(string name, string connectionStringName, int pollTime) {
Name = name;
ConnectionStringName = connectionStringName;
PollTime = pollTime;
}
public SqlCacheDependencyDatabase(string name, string connectionStringName) {
Name = name;
ConnectionStringName = connectionStringName;
}
internal SqlCacheDependencyDatabase() {
}
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("sqlCacheDependencyDatabase");
}
Debug.Assert(value is SqlCacheDependencyDatabase);
SqlCacheDependencyDatabase elem = (SqlCacheDependencyDatabase)value;
if (elem.PollTime != 0 && elem.PollTime < 500) {
throw new ConfigurationErrorsException(
SR.GetString(SR.Invalid_sql_cache_dep_polltime),
elem.ElementInformation.Properties["pollTime"].Source,
elem.ElementInformation.Properties["pollTime"].LineNumber);
}
}
internal void CheckDefaultPollTime(int value) {
// This method will be called by the outer node.
// If the poolTime property is not specified in the node, then grab the one
// from above.
if (ElementInformation.Properties["pollTime"].ValueOrigin == PropertyValueOrigin.Default) {
defaultPollTime = value;
}
}
[ConfigurationProperty("name", IsRequired = true, IsKey = true)]
[StringValidator(MinLength = 1)]
public string Name {
get {
return (string)base[_propName];
}
set {
base[_propName] = value;
}
}
[ConfigurationProperty("connectionStringName", IsRequired = true)]
[StringValidator(MinLength = 1)]
public string ConnectionStringName {
get {
return (string)base[_propConnectionStringName];
}
set {
base[_propConnectionStringName] = value;
}
}
[ConfigurationProperty("pollTime", DefaultValue = 60000)]
public int PollTime {
get {
if (ElementInformation.Properties["pollTime"].ValueOrigin == PropertyValueOrigin.Default) {
return defaultPollTime; // Return the default value from outer node
}
else {
return (int)base[_propPollTime];
}
}
set {
base[_propPollTime] = value;
}
}
}
}
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