private bool HasOverlappingNonNullableForeignKeys(EntitySet entitySet, EntityType entityType)
{
foreach (AssociationSet associationSet in this.entityContainer.AssociationSets
.Where(s => s.AssociationType.ReferentialConstraint != null && entityType.IsKindOf(s.AssociationType.ReferentialConstraint.DependentAssociationEnd.EntityType)
&& s.Ends.Where(e => e.AssociationEnd == s.AssociationType.ReferentialConstraint.DependentAssociationEnd).Single().EntitySet == entitySet))
{
foreach (MemberProperty dependentProperty in associationSet.AssociationType.ReferentialConstraint.DependentProperties.Where(p => !p.PropertyType.IsNullable))
{
if (entitySet.Container.Model.Associations.Any(a => a.ReferentialConstraint != null &&
a != associationSet.AssociationType &&
a.ReferentialConstraint.DependentProperties.Contains(dependentProperty)))
{
return true;
}
}
}
return false;
}
/// <summary>
/// Considers the candidate for this relationship.
/// </summary>
/// <param name="entitySet">The entity set.</param>
/// <param name="entityType">Type of the entity.</param>
/// <param name="key">The entity data key of the candidate.</param>
public void ConsiderCandidate(EntitySet entitySet, EntityType entityType, EntityDataKey key)
{
foreach (RelationshipGroupEnd end in this.ends.Where(e => e.EntitySet == entitySet && entityType.IsKindOf(e.EntityType)))
{
CapacityRange capacityRange = end.CapacitySelector();
if (capacityRange != CapacityRange.Zero)
{
this.RemoveCandidatesOnTargetBasedOnTreshhold(end);
RelationshipCandidate candidate = new RelationshipCandidate(end, key, capacityRange);
end.Candidates.Add(candidate);
}
}
}
/// <summary>
/// Gets all constraints for the property for the specified dependent entity type.
/// </summary>
/// <param name="dependentEntityType">Type of the dependent entity.</param>
/// <returns>All constraints for the property for the specified dependent entity type.</returns>
public List<PropertyConstraint> GetConstraints(EntityType dependentEntityType)
{
return this.constraints.Where(c => dependentEntityType.IsKindOf(c.DependentEntityType)).ToList();
}