/// <summary>
/// Searches for a <see cref="IScriptingProvider"/> that can execute the script type as stated in <see cref="ScriptTypeKey"/> and invokes the script.
/// </summary>
/// <param name="context"></param>
protected override void RetrieveData(IGenerationContext context)
{
IScriptingProvider[] matchingProviders = context.Engine.Extensions.Get <IScriptingProvider>().Where(_ => _.CanExecute(this.ScriptTypeKey)).ToArray();
/* We need at least one matching provider. If there is more than one matching provider, take the first one and maybe omit warning.
*/
if (matchingProviders.Length > 0)
{
IScriptingProvider prov = matchingProviders.First();
ScriptExecutionOptions options = new ScriptExecutionOptions();
options.AssociatedDataProvider = this;
options.DesiredReturnValueType = typeof(DataSet);
try
{
object ret = prov.Execute(this.ScriptText, options);
DataSet ds = ret as DataSet;
if (ds != null)
{
this.CurrentData = ds;
}
}
catch (Exception)
{
throw;
}
}
}
IScriptingProvider CreateScriptingProvider()
{
lock (typeof(IScriptingProvider))
{
if (_scriptingProvider == null) // double checked lock
{
//TODO: [Import(typeof(IScriptingProvider)]
_scriptingProvider = new UnsupportedScriptingProvider();
}
}
return(_scriptingProvider);
}
