private object GetOneDatabaseEntity <T>()
{
//if there are not exactly 1 database entity
if (DatabaseEntities == null)
{
return(null);
}
if (DatabaseEntities.Count != 1)
{
var latest = NewObjectPool.Latest(DatabaseEntities.Where(d => d is T));
if (latest == null)
{
_logger.Warn($"Pattern matched {DatabaseEntities.Count} objects '{RawValue}':{Environment.NewLine} {string.Join(Environment.NewLine, DatabaseEntities)}");
}
return(latest);
}
//return the single object as the type you want e.g. ICheckable
if (DatabaseEntities[0] is T)
{
return(DatabaseEntities.Single());
}
//it's not ICheckable, user made an invalid object selection
throw new CommandLineObjectPickerParseException($"Specified object was not an '{typeof(T)}''", Index, RawValue);
}
public void TwoCataloguesWithSameName_WithSession()
{
SetupMEF();
using (NewObjectPool.StartSession())
{
var cata1 = new Catalogue(Repository, "Hey");
// When there is only one object we can pick it by name
var picker = new CommandLineObjectPicker(new string[] { "Catalogue:Hey" }, GetActivator());
Assert.IsTrue(picker.HasArgumentOfType(0, typeof(Catalogue)));
Assert.AreEqual(cata1, picker.Arguments.First().GetValueForParameterOfType(typeof(Catalogue)));
// There are now 2 objects with the same name but because we are in a session we can pick the latest
var cata2 = new Catalogue(Repository, "Hey");
var picker2 = new CommandLineObjectPicker(new string[] { "Catalogue:Hey" }, GetActivator());
Assert.IsTrue(picker2.HasArgumentOfType(0, typeof(Catalogue)));
Assert.AreEqual(cata2, picker2.Arguments.First().GetValueForParameterOfType(typeof(Catalogue)));
}
}
/// <summary>
/// Runs all commands in the provided script
/// </summary>
/// <param name="script">Location of the file to run</param>
/// <param name="repositoryLocator"></param>
private void RunScript(RdmpScript script, IRDMPPlatformRepositoryServiceLocator repositoryLocator)
{
if ((script.Commands?.Length ?? 0) == 0)
{
throw new ArgumentException("script was empty", nameof(script));
}
using (script.UseScope ? NewObjectPool.StartSession() : null)
{
foreach (string s in script.Commands)
{
try
{
var cmd = GetCommandAndPickerFromLine(s, out _picker, repositoryLocator);
RunCommand(cmd);
}
catch (Exception ex)
{
throw new Exception($"Error executing script. Problem line was '{s}':{ex.Message}", ex);
}
}
}
}
void Awake()
{
//static variable
current = this;
}
