//---------------------------------------------------------------------------------------------------------------------
/// <summary>Opens the execution environment context and other resources required by the background agent.</summary>
/// <remarks>The <see cref="Terradue.Portal.IfyLocalContext"/> subclass and the database connection string are obtained from the web application's web.config file.</remarks>
public void Open()
{
// Configuration file is ../web.config
string binDir;
DirectoryInfo dirInfo = new DirectoryInfo(Environment.GetCommandLineArgs()[0]);
binDir = Regex.Replace(dirInfo.FullName, @"[^\\/]*$", "");
string configFile = Regex.Replace(binDir, @"([\\/])bin[\\/]$", @"$1web.config");
if (!File.Exists(configFile))
{
throw new Exception("File not found: " + configFile);
}
XmlDocument configDoc = new XmlDocument();
configDoc.Load(configFile);
XmlElement key;
key = configDoc.SelectSingleNode("/configuration/appSettings/add[@key='LocalContextClass']") as XmlElement;
if (key != null && key.HasAttribute("value"))
{
className = key.Attributes["value"].Value;
}
key = configDoc.SelectSingleNode("/configuration/appSettings/add[@key='DatabaseConnection']") as XmlElement;
if (key != null && key.HasAttribute("value"))
{
connectionString = key.Attributes["value"].Value;
}
else
{
throw new Exception("No connection string found in web.config");
}
context = IfyContext.GetLocalContext(className, connectionString, console);
context.Open();
context.AccessLevel = EntityAccessLevel.Administrator;
autoEvent = new AutoResetEvent(false);
timer = new Timer(new TimerCallback(OnTimer), autoEvent, 0, 1000 * interval);
}