/// <summary>
///
/// </summary>
/// <param name="dbs"></param>
/// <param name="provider"></param>
/// <param name="currentConnectionString"></param>
public DbsSetting(Dbs dbs, DbsProvider provider, string currentConnectionString)
{
this.Dbs = dbs;
this.CurrentConnectionString = currentConnectionString;
this.Provider = provider;
this.HistoryConnectionString = string.Empty;
this.IsEmpty = false;
}
private void LoadDbs(XElement doc)
{
byte code;
DbsProvider provider;
XElement currentElement;
XElement historyElement;
string currentConnectionString;
string historyConnectionString;
bool currentConnectionStringIsCryptograph;
bool historyConnectionStringIsCryptograph;
foreach (XElement e in doc.GetChildElements(ConnectionKey))
{
if (Dbs.IsQualifiedName(e.Name.ToString()))
{
Dbs dbs = Dbs.Create(e.Name.ToString());
if (byte.TryParse(GetElementValue(e, PrivoderKey), out code))
{
DbsProvider.TryGetProvider(code, out provider);
}
else
{
provider = DbsProvider.MsSql;
}
currentConnectionString = GetElementValue(e, CurrentKey);
currentElement = e.GetElement(CurrentKey);
if (currentElement != null)
{
currentConnectionStringIsCryptograph = currentElement.GetAttributeValue <bool>(IsCryptographKey, false);
if (currentConnectionStringIsCryptograph)
{
currentConnectionString = Decrypt(currentConnectionString);
}
}
historyConnectionString = GetElementValue(e, HistoryKey);
historyElement = e.GetElement(HistoryKey);
if (historyElement != null)
{
historyConnectionStringIsCryptograph = historyElement.GetAttributeValue <bool>(IsCryptographKey, false);
if (historyConnectionStringIsCryptograph)
{
historyConnectionString = Decrypt(historyConnectionString);
}
}
DbsSetting setting = new DbsSetting(dbs, DbsProvider.MsSql, currentConnectionString)
{
Provider = provider,
HistoryConnectionString = historyConnectionString,
MetadataAssemblyFullName = GetElementValue(e, MetadataAssemblyKey)
};
Add(setting);
}
}
}
private void LoadFromCofiguration(Dbs dbs)
{
ConnectionStringSettings css = WebConfigurationManager.ConnectionStrings[dbs.QualifiedName]
?? ConfigurationManager.ConnectionStrings[dbs.QualifiedName];
if (css != null)
{
DbsProvider provider = DbsProvider.Providers.FirstOrDefault(a => string.Equals(a.Provider, css.ProviderName, StringComparison.CurrentCultureIgnoreCase) && a.Validate(css.ConnectionString));
DbsSetting setting = new DbsSetting(dbs, provider, css.ConnectionString)
{
Provider = provider
};
Add(setting);
}
}
/// <summary>
/// 获取与指定代码相同的<see cref="DbsProvider"/>实例。
/// </summary>
/// <param name="code"></param>
/// <param name="provider"></param>
/// <returns></returns>
public static bool TryGetProvider(byte code, out DbsProvider provider)
{
return(_providers.TryGetValue(code, out provider));
}
/// <summary>
///
/// </summary>
/// <param name="dbs"></param>
/// <param name="provider"></param>
public DbsSetting(Dbs dbs, DbsProvider provider)
: this(dbs, provider, string.Empty)
{
}