/// <summary>
/// Called by the Merge process to create a relationship between
/// this target element and the specified source element.
/// Typically, a parent-child relationship is established
/// between the target element (the parent) and the source element
/// (the child), but any relationship can be established.
/// </summary>
/// <param name="sourceElement">The element that is to be related to this model element.</param>
/// <param name="elementGroup">The group of source ModelElements that have been rehydrated into the target store.</param>
/// <remarks>
/// This method is overriden to create the relationship between the target element and the specified source element.
/// The base method does nothing.
/// </remarks>
protected override void MergeRelate(DslModeling::ModelElement sourceElement, DslModeling::ElementGroup elementGroup)
{
// In general, sourceElement is allowed to be null, meaning that the elementGroup must be parsed for special cases.
// However this is not supported in generated code. Use double-deriving on this class and then override MergeRelate completely if you
// need to support this case.
if (sourceElement == null)
{
throw new global::System.ArgumentNullException("sourceElement");
}
global::EPAM.NHModelingLanguage.Entity sourceEntity1 = sourceElement as global::EPAM.NHModelingLanguage.Entity;
if (sourceEntity1 != null)
{
// Create link for path NHModelHasEntities.Entities
this.Entities.Add(sourceEntity1);
return;
}
// Sdk workaround to runtime bug #879350 (DSL: can't copy and paste a MEL that has a MEX). Avoid MergeRelate on ModelElementExtension
// during a "Paste".
if (sourceElement is DslModeling::ExtensionElement &&
sourceElement.Store.TransactionManager.CurrentTransaction.TopLevelTransaction.Context.ContextInfo.ContainsKey("{9DAFD42A-DC0E-4d78-8C3F-8266B2CF8B33}"))
{
return;
}
// Fall through to base class if this class hasn't handled the merge.
base.MergeRelate(sourceElement, elementGroup);
}
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::EPAM.NHModelingLanguage.Entity)
{
if (target is global::EPAM.NHModelingLanguage.Entity)
{
global::EPAM.NHModelingLanguage.Entity sourceAccepted = (global::EPAM.NHModelingLanguage.Entity)source;
global::EPAM.NHModelingLanguage.Entity targetAccepted = (global::EPAM.NHModelingLanguage.Entity)target;
DslModeling::ElementLink result = new global::EPAM.NHModelingLanguage.EntityInheritedParent(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();
}
internal static global::System.Collections.IList GetElementsFromEntityForProperties(DslModeling::ModelElement rootElement)
{
global::EPAM.NHModelingLanguage.Entity root = (global::EPAM.NHModelingLanguage.Entity)rootElement;
// Segments 0 and 1
DslModeling::LinkedElementCollection <global::EPAM.NHModelingLanguage.Property> result = root.Properties;
return(result);
}
internal static global::System.Collections.ICollection GetEntityForEntityShapeProperties(global::EPAM.NHModelingLanguage.Property root)
{
// Segments 1 and 0
global::EPAM.NHModelingLanguage.Entity result = root.Entity;
if (result == null)
{
return(new DslModeling::ModelElement[0]);
}
return(new DslModeling::ModelElement[] { result });
}
public static global::EPAM.NHModelingLanguage.NHModel GetParentForEntity(global::EPAM.NHModelingLanguage.Entity root)
{
// Segments 0 and 1
global::EPAM.NHModelingLanguage.NHModel result = root.NHModel;
if (result == null)
{
return(null);
}
return(result);
}
public static global::EPAM.NHModelingLanguage.EntityInheritedParent GetLink(global::EPAM.NHModelingLanguage.Entity source, global::EPAM.NHModelingLanguage.Entity target)
{
global::System.Collections.Generic.IList <global::EPAM.NHModelingLanguage.EntityInheritedParent> links = DslModeling::DomainRoleInfo.GetElementLinks <global::EPAM.NHModelingLanguage.EntityInheritedParent>(source, global::EPAM.NHModelingLanguage.EntityInheritedParent.SourceEntityDomainRoleId);
foreach (global::EPAM.NHModelingLanguage.EntityInheritedParent link in links)
{
if (target.Equals(link.TargetEntity))
{
return(link);
}
}
return(null);
}
public static global::EPAM.NHModelingLanguage.EntityHasProperties GetLink(global::EPAM.NHModelingLanguage.Entity source, global::EPAM.NHModelingLanguage.Property target)
{
global::System.Collections.Generic.IList <global::EPAM.NHModelingLanguage.EntityHasProperties> links = DslModeling::DomainRoleInfo.GetElementLinks <global::EPAM.NHModelingLanguage.EntityHasProperties>(source, global::EPAM.NHModelingLanguage.EntityHasProperties.EntityDomainRoleId);
foreach (global::EPAM.NHModelingLanguage.EntityHasProperties link in links)
{
if (target.Equals(link.Property))
{
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::EPAM.NHModelingLanguage.Entity)
{
if (candidateTarget is global::EPAM.NHModelingLanguage.Entity)
{
global::EPAM.NHModelingLanguage.Entity sourceEntity = (global::EPAM.NHModelingLanguage.Entity)candidateSource;
global::EPAM.NHModelingLanguage.Entity targetEntity = (global::EPAM.NHModelingLanguage.Entity)candidateTarget;
if (sourceEntity == null || global::EPAM.NHModelingLanguage.EntityInheritedParent.GetLinkToParent(sourceEntity) != null)
{
return(false);
}
if (targetEntity == null || sourceEntity == null || global::EPAM.NHModelingLanguage.EntityInheritedParent.GetLinks(sourceEntity, targetEntity).Count > 0)
{
return(false);
}
return(true);
}
}
}
return(false);
}
protected override void MergeDisconnect(DslModeling::ModelElement sourceElement)
{
if (sourceElement == null)
{
throw new global::System.ArgumentNullException("sourceElement");
}
global::EPAM.NHModelingLanguage.Entity sourceEntity1 = sourceElement as global::EPAM.NHModelingLanguage.Entity;
if (sourceEntity1 != null)
{
// Delete link for path NHModelHasEntities.Entities
foreach (DslModeling::ElementLink link in global::EPAM.NHModelingLanguage.NHModelHasEntities.GetLinks((global::EPAM.NHModelingLanguage.NHModel) this, sourceEntity1))
{
// Delete the link, but without possible delete propagation to the element since it's moving to a new location.
link.Delete(global::EPAM.NHModelingLanguage.NHModelHasEntities.NHModelDomainRoleId, global::EPAM.NHModelingLanguage.NHModelHasEntities.EntityDomainRoleId);
}
return;
}
// Fall through to base class if this class hasn't handled the unmerge.
base.MergeDisconnect(sourceElement);
}
public static global::System.Collections.ObjectModel.ReadOnlyCollection <global::EPAM.NHModelingLanguage.EntityInheritedParent> GetLinks(global::EPAM.NHModelingLanguage.Entity source, global::EPAM.NHModelingLanguage.Entity target)
{
global::System.Collections.Generic.List <global::EPAM.NHModelingLanguage.EntityInheritedParent> outLinks = new global::System.Collections.Generic.List <global::EPAM.NHModelingLanguage.EntityInheritedParent>();
global::System.Collections.Generic.IList <global::EPAM.NHModelingLanguage.EntityInheritedParent> links = DslModeling::DomainRoleInfo.GetElementLinks <global::EPAM.NHModelingLanguage.EntityInheritedParent>(source, global::EPAM.NHModelingLanguage.EntityInheritedParent.SourceEntityDomainRoleId);
foreach (global::EPAM.NHModelingLanguage.EntityInheritedParent link in links)
{
if (target.Equals(link.TargetEntity))
{
outLinks.Add(link);
}
}
return(outLinks.AsReadOnly());
}
public static global::System.Collections.ObjectModel.ReadOnlyCollection <global::EPAM.NHModelingLanguage.EntityInheritedParent> GetLinksToChildren(global::EPAM.NHModelingLanguage.Entity targetEntityInstance)
{
return(DslModeling::DomainRoleInfo.GetElementLinks <global::EPAM.NHModelingLanguage.EntityInheritedParent>(targetEntityInstance, global::EPAM.NHModelingLanguage.EntityInheritedParent.TargetEntityDomainRoleId));
}
public static global::EPAM.NHModelingLanguage.EntityInheritedParent GetLinkToParent(global::EPAM.NHModelingLanguage.Entity sourceEntityInstance)
{
global::System.Collections.Generic.IList <global::EPAM.NHModelingLanguage.EntityInheritedParent> links = DslModeling::DomainRoleInfo.GetElementLinks <global::EPAM.NHModelingLanguage.EntityInheritedParent>(sourceEntityInstance, global::EPAM.NHModelingLanguage.EntityInheritedParent.SourceEntityDomainRoleId);
global::System.Diagnostics.Debug.Assert(links.Count <= 1, "Multiplicity of SourceEntity not obeyed.");
if (links.Count == 0)
{
return(null);
}
else
{
return(links[0]);
}
}
public static global::System.Collections.ObjectModel.ReadOnlyCollection <global::EPAM.NHModelingLanguage.EntityHasProperties> GetLinksToProperties(global::EPAM.NHModelingLanguage.Entity entityInstance)
{
return(DslModeling::DomainRoleInfo.GetElementLinks <global::EPAM.NHModelingLanguage.EntityHasProperties>(entityInstance, global::EPAM.NHModelingLanguage.EntityHasProperties.EntityDomainRoleId));
}
public static global::EPAM.NHModelingLanguage.NHModelHasEntities GetLinkToNHModel(global::EPAM.NHModelingLanguage.Entity entityInstance)
{
global::System.Collections.Generic.IList <global::EPAM.NHModelingLanguage.NHModelHasEntities> links = DslModeling::DomainRoleInfo.GetElementLinks <global::EPAM.NHModelingLanguage.NHModelHasEntities>(entityInstance, global::EPAM.NHModelingLanguage.NHModelHasEntities.EntityDomainRoleId);
global::System.Diagnostics.Debug.Assert(links.Count <= 1, "Multiplicity of Entity not obeyed.");
if (links.Count == 0)
{
return(null);
}
else
{
return(links[0]);
}
}
