public static DslModeling::ElementLink Connect(DslModeling::ModelElement source, DslModeling::ModelElement target)
{
if (source == null)
{
throw new global::System.ArgumentNullException("source");
}
if (target == null)
{
throw new global::System.ArgumentNullException("target");
}
if (CanAcceptSourceAndTarget(source, target))
{
if (source is global::Ultramarine.Generators.Language.Task)
{
if (target is global::Ultramarine.Generators.Language.Task)
{
global::Ultramarine.Generators.Language.Task sourceAccepted = (global::Ultramarine.Generators.Language.Task)source;
global::Ultramarine.Generators.Language.Task targetAccepted = (global::Ultramarine.Generators.Language.Task)target;
DslModeling::ElementLink result = new global::Ultramarine.Generators.Language.Connection(sourceAccepted, targetAccepted);
if (DslModeling::DomainClassInfo.HasNameProperty(result))
{
DslModeling::DomainClassInfo.SetUniqueName(result);
}
return(result);
}
}
}
global::System.Diagnostics.Debug.Fail("Having agreed that the connection can be accepted we should never fail to make one.");
throw new global::System.InvalidOperationException();
}
public static global::Ultramarine.Generators.Language.Connection GetLink(global::Ultramarine.Generators.Language.Task source, global::Ultramarine.Generators.Language.Task target)
{
global::System.Collections.Generic.IList <global::Ultramarine.Generators.Language.Connection> links = DslModeling::DomainRoleInfo.GetElementLinks <global::Ultramarine.Generators.Language.Connection>(source, global::Ultramarine.Generators.Language.Connection.ConnectedTaskDomainRoleId);
foreach (global::Ultramarine.Generators.Language.Connection link in links)
{
if (target.Equals(link.TargetTask))
{
return(link);
}
}
return(null);
}
public static bool CanAcceptSourceAndTarget(DslModeling::ModelElement candidateSource, DslModeling::ModelElement candidateTarget)
{
// Accepts null, null; source, null; source, target but NOT null, target
if (candidateSource == null)
{
if (candidateTarget != null)
{
throw new global::System.ArgumentNullException("candidateSource");
}
else // Both null
{
return(false);
}
}
bool acceptSource = CanAcceptSource(candidateSource);
// If the source wasn't accepted then there's no point checking targets.
// If there is no target then the source controls the accept.
if (!acceptSource || candidateTarget == null)
{
return(acceptSource);
}
else // Check combinations
{
if (candidateSource is global::Ultramarine.Generators.Language.Task)
{
if (candidateTarget is global::Ultramarine.Generators.Language.Task)
{
global::Ultramarine.Generators.Language.Task sourceTask = (global::Ultramarine.Generators.Language.Task)candidateSource;
global::Ultramarine.Generators.Language.Task targetTask = (global::Ultramarine.Generators.Language.Task)candidateTarget;
if (sourceTask == null || global::Ultramarine.Generators.Language.Connection.GetLinkToConnectedWith(sourceTask) != null)
{
return(false);
}
if (targetTask == null || sourceTask == null || global::Ultramarine.Generators.Language.Connection.GetLinks(sourceTask, targetTask).Count > 0)
{
return(false);
}
return(true);
}
}
}
return(false);
}
public static global::System.Collections.ObjectModel.ReadOnlyCollection <global::Ultramarine.Generators.Language.Children> GetLinks(global::Ultramarine.Generators.Language.CompositeTask source, global::Ultramarine.Generators.Language.Task target)
{
global::System.Collections.Generic.List <global::Ultramarine.Generators.Language.Children> outLinks = new global::System.Collections.Generic.List <global::Ultramarine.Generators.Language.Children>();
global::System.Collections.Generic.IList <global::Ultramarine.Generators.Language.Children> links = DslModeling::DomainRoleInfo.GetElementLinks <global::Ultramarine.Generators.Language.Children>(source, global::Ultramarine.Generators.Language.Children.CompositeTaskDomainRoleId);
foreach (global::Ultramarine.Generators.Language.Children link in links)
{
if (target.Equals(link.Task))
{
outLinks.Add(link);
}
}
return(outLinks.AsReadOnly());
}
public static global::Ultramarine.Generators.Language.Children GetLinkToParent(global::Ultramarine.Generators.Language.Task taskInstance)
{
global::System.Collections.Generic.IList <global::Ultramarine.Generators.Language.Children> links = DslModeling::DomainRoleInfo.GetElementLinks <global::Ultramarine.Generators.Language.Children>(taskInstance, global::Ultramarine.Generators.Language.Children.TaskDomainRoleId);
global::System.Diagnostics.Debug.Assert(links.Count <= 1, "Multiplicity of Task not obeyed.");
if (links.Count == 0)
{
return(null);
}
else
{
return(links[0]);
}
}
public static global::System.Collections.ObjectModel.ReadOnlyCollection <global::Ultramarine.Generators.Language.Connection> GetLinksToConnectedTasked(global::Ultramarine.Generators.Language.Task targetTaskInstance)
{
return(DslModeling::DomainRoleInfo.GetElementLinks <global::Ultramarine.Generators.Language.Connection>(targetTaskInstance, global::Ultramarine.Generators.Language.Connection.TargetTaskDomainRoleId));
}
