public static void Call(IGenerationHost host, IZetboxContext ctx, ObjectClass cls)
{
if (host == null)
{
throw new ArgumentNullException("host");
}
if (ctx == null)
{
throw new ArgumentNullException("ctx");
}
if (cls == null)
{
throw new ArgumentNullException("cls");
}
if (cls.BaseObjectClass == null)
{
var msg = String.Format("Only subclasses can be joined subclasses, but {0} doesn't have a base class",
cls.Name);
throw new ArgumentOutOfRangeException("cls", msg);
}
host.CallTemplate("Mappings.JoinedSubclassHbm",
new object[] { ctx }
.Concat(ObjectClassHbm.MakeArgs(ctx, cls, host.Settings))
.ToArray());
}
protected virtual void ApplyObjectReferenceProperty(string prefix, ObjectReferenceProperty prop)
{
this.WriteLine("<!-- ObjectReferenceProperty -->");
var rel = Zetbox.App.Extensions.RelationExtensions.Lookup(ctx, prop);
var relEnd = rel.GetEnd(prop);
var otherEnd = rel.GetOtherEnd(relEnd);
string nameAttr = String.Format("name=\"{0}\"", prop.Name);
string classAttr = String.Format("class=\"{0}\"",
ObjectClassHbm.GetAssemblyQualifiedProxy(otherEnd.Type, this.Settings));
//string tableAttr = String.Format("table =\"`{0}`\" ", rel.GetAssociationName());
switch (rel.GetRelationType())
{
case RelationType.one_one:
if (rel.HasStorage(relEnd.GetRole()))
{
string columnAttr = String.Format("column=\"`{0}`\"", Construct.ForeignKeyColumnName(otherEnd, prefix));
this.WriteObjects(" <many-to-one ", nameAttr, " ", columnAttr, " ", classAttr, " unique=\"true\" ");
if (prop.EagerLoading)
{
// TODO: re-think and re-test eagerloading
//this.WriteObjects("fetch=\"join\" ");
}
this.WriteLine("/>");
}
else
{
this.WriteObjects(" <one-to-one ", nameAttr, " ", classAttr,
" constrained=\"false\" ", // constrained must be false, because else the reference is not optional(!)
// TODO: re-think and re-test eagerloading
//prop.EagerLoading ? "fetch=\"join\" " : String.Empty,
"property-ref=\"" + (otherEnd.Navigator != null ? otherEnd.Navigator.Name : "(no nav)") + "\" />");
}
break;
case RelationType.one_n:
if (otherEnd.Multiplicity.UpperBound() > 1) // we are 1-side
{
// always map as set, the wrapper has to translate/order the elements
this.WriteObjects(" <set ", nameAttr, " batch-size=\"100\" cascade=\"none\" inverse=\"true\" ");
if (prop.EagerLoading)
{
// TODO: re-think and re-test eagerloading
//this.WriteObjects("lazy=\"false\" fetch=\"join\" ");
}
this.WriteLine(">");
string columnAttr = String.Format("column=\"`{0}`\"", Construct.ForeignKeyColumnName(relEnd, prefix));
this.WriteObjects(" <key ", columnAttr, " />");
this.WriteLine();
this.WriteObjects(" <one-to-many ", classAttr, " />");
this.WriteLine();
this.WriteLine(" </set>");
}
else // we are n-side
{
string columnAttr = String.Format("column=\"`{0}`\"", Construct.ForeignKeyColumnName(otherEnd, prefix));
this.WriteObjects(" <many-to-one ", nameAttr, " ", columnAttr, " ", classAttr, " ");
if (prop.EagerLoading)
{
// TODO: re-think and re-test eagerloading
//this.WriteObjects("fetch=\"join\" ");
}
this.WriteLine("/>");
if (rel.NeedsPositionStorage(relEnd.GetRole()))
{
string posNameAttr = String.Format("name=\"{0}\"", Construct.ListPositionPropertyName(relEnd));
string posColumnAttr = String.Format("column=\"`{0}`\"", Construct.ListPositionColumnName(otherEnd, prefix));
this.WriteObjects(" <property ", posNameAttr, " ", posColumnAttr, " />");
this.WriteLine();
}
}
break;
case RelationType.n_m:
ApplyNMProperty(rel, relEnd, otherEnd, prop);
break;
default:
throw new NotImplementedException(String.Format("Unknown RelationType {0} found", rel.GetRelationType()));
}
this.WriteLine();
}