public static Interfaces.Connection ConnectGeneric(
Interfaces.FCO src,
Interfaces.FCO dst,
Interfaces.Reference srcRef = null,
Interfaces.Reference dstRef = null,
Interfaces.Container parent = null,
string role = null)
{
return(ISIS.GME.Common.Utils.MakeConnection <Classes.Connection>(
src,
dst,
srcRef,
dstRef,
parent,
role));
}
public static T MakeConnection <T>(
Interfaces.FCO src,
Interfaces.FCO dst,
Interfaces.Reference srcRef = null,
Interfaces.Reference dstRef = null,
Interfaces.Container parent = null,
string roleStr = null)
where T : Classes.Connection, new()
{
Contract.Requires(src != null);
Contract.Requires(dst != null);
IMgaFCO connection = null;
T result = new T();
if (parent == null)
{
try
{
if (srcRef == null &&
dstRef == null)
{
// set the parent if it is null
if (src.ParentContainer.Impl == dst.ParentContainer.Impl)
{
parent = src.ParentContainer;
}
else if (src.ParentContainer.Impl == dst.ParentContainer.ParentContainer.Impl)
{
parent = src.ParentContainer;
}
else if (src.ParentContainer.ParentContainer.Impl == dst.ParentContainer.Impl)
{
parent = dst.ParentContainer;
}
else if (src.ParentContainer.ParentContainer.Impl == dst.ParentContainer.ParentContainer.Impl &&
src.ParentContainer.Impl != dst.ParentContainer.Impl)
{
parent = src.ParentContainer.ParentContainer;
}
}
else if (srcRef != null &&
dstRef == null)
{
if (srcRef.ParentContainer.Impl == dst.ParentContainer.Impl)
{
parent = dst.ParentContainer;
}
else if (srcRef.ParentContainer.Impl == dst.ParentContainer.ParentContainer.Impl)
{
parent = srcRef.ParentContainer;
}
}
else if (srcRef == null &&
dstRef != null)
{
if (src.ParentContainer.Impl == dstRef.ParentContainer.Impl)
{
parent = src.ParentContainer;
}
else if (src.ParentContainer.ParentContainer.Impl == dstRef.ParentContainer.Impl)
{
parent = dstRef.ParentContainer;
}
}
else if (srcRef != null &&
dstRef != null)
{
if (srcRef.ParentContainer.Impl == dstRef.ParentContainer.Impl)
{
parent = srcRef.ParentContainer;
}
}
if (parent == null)
{
throw new Exception("Parent could not be identified based on the given parameters.");
}
}
catch (NullReferenceException ex)
{
// handle exception here
throw ex;
}
}
if (parent.Impl is MgaModel)
{
MgaModel model = parent.Impl as MgaModel;
MgaMetaRole role = null;
try
{
if (string.IsNullOrEmpty(roleStr))
{
if (result.GetType().Name != typeof(Interfaces.Connection).Name)
{
try
{
role = (model.MetaBase as MgaMetaModel).RoleByName[result.GetType().Name];
}
catch (Exception ex)
{
StringBuilder sb = new StringBuilder();
sb.AppendLine("Role was not found in the container.");
sb.AppendLine("Paradigm violation.");
sb.AppendFormat("Container type: {0} Requested role: {1}",
parent.Kind,
result.GetType().Name);
throw new Exception(sb.ToString(), ex);
}
}
else
{
// use default role
string srcKind = src.Kind;
string dstKind = dst.Kind;
MgaMetaRoles roles = (model.MetaBase as MgaMetaModel).Roles;
foreach (MgaMetaRole item in roles)
{
MgaMetaBase metaBase = item.MetaProject.FindObject[item.Kind.MetaRef];
if (metaBase is MgaMetaConnection)
{
foreach (IMgaMetaConnJoint joint in (metaBase as MgaMetaConnection).Joints)
{
IEnumerable <MgaMetaPointerItem> srcSpecs = joint.PointerSpecByName["src"].Items.Cast <MgaMetaPointerItem>();
IEnumerable <MgaMetaPointerItem> dstSpecs = joint.PointerSpecByName["dst"].Items.Cast <MgaMetaPointerItem>();
if (srcSpecs.FirstOrDefault(x => x.Desc == srcKind) != null &&
dstSpecs.FirstOrDefault(x => x.Desc == dstKind) != null)
{
// role found (first)
role = item;
break;
}
}
if (role != null)
{
// role is ok
break;
}
}
}
}
}
else
{
try
{
// try to use user defined role
role = (model.MetaBase as MgaMetaModel).RoleByName[roleStr];
}
catch (Exception ex)
{
StringBuilder sb = new StringBuilder();
sb.AppendLine("Role was not found in the container.");
sb.AppendLine("Paradigm violation.");
sb.AppendFormat("Container type: {0} Requested role: {1}",
parent.Kind,
result.GetType().Name);
throw new Exception(sb.ToString(), ex);
}
}
if (role == null)
{
throw new Exception("Role not found based on the given parameters.");
}
if (srcRef == null &&
dstRef == null)
{
connection = model.CreateSimpleConnDisp(
role,
src.Impl as MgaFCO,
dst.Impl as MgaFCO,
null,
null);
}
else if (srcRef != null &&
dstRef == null)
{
connection = model.CreateSimpleConnDisp(
role,
src.Impl as MgaFCO,
dst.Impl as MgaFCO,
srcRef.Impl as MgaFCO,
null);
}
else if (srcRef == null &&
dstRef != null)
{
connection = model.CreateSimpleConnDisp(
role,
src.Impl as MgaFCO,
dst.Impl as MgaFCO,
null,
dstRef.Impl as MgaFCO);
}
else if (srcRef != null &&
dstRef != null)
{
connection = model.CreateSimpleConnDisp(
role,
src.Impl as MgaFCO,
dst.Impl as MgaFCO,
srcRef.Impl as MgaFCO,
dstRef.Impl as MgaFCO);
}
}
catch (Exception ex)
{
throw ex;
}
}
else
{
throw new Exception("Parent could not be a folder.");
}
result.Impl = connection;
if (result.Impl == null)
{
return(null);
}
else
{
return(result);
}
}