/// <summary>
/// Creates a new instance of ResourceReferentialConstraint.
/// </summary>
/// <param name="principalEnd">Principal end of the referential constraint.</param>
/// <param name="dependentProperties">List of the properties from the dependent end that take part in this constraint.</param>
internal ResourceReferentialConstraint(ResourceAssociationTypeEnd principalEnd, IEnumerable <ResourceProperty> dependentProperties)
{
Debug.Assert(principalEnd != null, "principalEnd != null");
Debug.Assert(dependentProperties != null, "dependentProperties != null");
Debug.Assert(principalEnd.ResourceType.KeyProperties.Count == dependentProperties.Count(), "principalEnd.ResourceType.KeyProperties.Count == dependentProperties.Count()");
this.PrincipalEnd = principalEnd;
this.DependentProperties = dependentProperties;
}
/// <summary>
/// Creates a new instance of ResourceReferentialConstraint.
/// </summary>
/// <param name="principalEnd">Principal end of the referential constraint.</param>
/// <param name="dependentProperties">List of the properties from the dependent end that take part in this constraint.</param>
internal ResourceReferentialConstraint(ResourceAssociationTypeEnd principalEnd, IEnumerable<ResourceProperty> dependentProperties)
{
Debug.Assert(principalEnd != null, "principalEnd != null");
Debug.Assert(dependentProperties != null, "dependentProperties != null");
Debug.Assert(principalEnd.ResourceType.KeyProperties.Count == dependentProperties.Count(), "principalEnd.ResourceType.KeyProperties.Count == dependentProperties.Count()");
this.PrincipalEnd = principalEnd;
this.DependentProperties = dependentProperties;
}
/// <summary>
/// Creates a new instance of AssociationInfo to store information about an association.
/// </summary>
/// <param name="name">name of the association.</param>
/// <param name="namespaceName">namespaceName of the association.</param>
/// <param name="end1">first end of the association.</param>
/// <param name="end2">second end of the association.</param>
internal ResourceAssociationType(string name, string namespaceName, ResourceAssociationTypeEnd end1, ResourceAssociationTypeEnd end2)
{
Debug.Assert(!String.IsNullOrEmpty(name), "!String.IsNullOrEmpty(name)");
Debug.Assert(end1 != null && end2 != null, "end1 != null && end2 != null");
this.name = name;
this.namespaceName = namespaceName;
this.fullName = namespaceName + "." + name;
this.end1 = end1;
this.end2 = end2;
}
/// <summary>
/// Creates a new instance of AssociationInfo to store information about an association.
/// </summary>
/// <param name="name">name of the association.</param>
/// <param name="namespaceName">namespaceName of the association.</param>
/// <param name="end1">first end of the association.</param>
/// <param name="end2">second end of the association.</param>
internal ResourceAssociationType(string name, string namespaceName, ResourceAssociationTypeEnd end1, ResourceAssociationTypeEnd end2)
{
Debug.Assert(!String.IsNullOrEmpty(name), "!String.IsNullOrEmpty(name)");
Debug.Assert(end1 != null && end2 != null, "end1 != null && end2 != null");
this.name = name;
this.namespaceName = namespaceName;
this.fullName = namespaceName + "." + name;
this.end1 = end1;
this.end2 = end2;
}
/// <summary>
/// Retrieve the related end for the given resource set, type and property.
/// </summary>
/// <param name="resourceType">resource type for the source end</param>
/// <param name="resourceProperty">resource property for the source end</param>
/// <returns>Related association type end for the given parameters</returns>
internal ResourceAssociationTypeEnd GetRelatedResourceAssociationSetEnd(ResourceType resourceType, ResourceProperty resourceProperty)
{
Debug.Assert(resourceType != null, "resourceType != null");
ResourceAssociationTypeEnd thisEnd = this.GetResourceAssociationTypeEnd(resourceType, resourceProperty);
if (thisEnd != null)
{
foreach (ResourceAssociationTypeEnd end in new[] { this.end1, this.end2 })
{
if (end != thisEnd)
{
return(end);
}
}
}
return(null);
}
/// <summary>
/// Populate the ResourceAssociationType from the AssociationType instance.
/// </summary>
/// <param name="associationType">AssociationType instance.</param>
/// <param name="end1">ResourceAssociationTypeEnd instance.</param>
/// <param name="end2">ResourceAssociationTypeEnd instance.</param>
/// <returns>An instance of ResourceAssociationType.</returns>
private static ResourceAssociationType PopulateResourceAssociationType(AssociationType associationType, ResourceAssociationTypeEnd end1, ResourceAssociationTypeEnd end2)
{
ResourceAssociationType resourceAssociationType = new ResourceAssociationType(
associationType.Name,
associationType.NamespaceName,
end1,
end2);
ObjectContextServiceProvider.PopulateAnnotations(associationType.MetadataProperties, resourceAssociationType.AddCustomAnnotation);
if (associationType.ReferentialConstraints != null && associationType.ReferentialConstraints.Count != 0)
{
PopulateReferentialConstraint(resourceAssociationType, associationType.ReferentialConstraints[0]);
}
return resourceAssociationType;
}
/// <summary>
/// Populate the ResourceAssociationTypeEnd from the AssociationEndMember instance.
/// </summary>
/// <param name="end">Instance of AssociationEndMember.</param>
/// <param name="resourceType">ResourceType instance which the end refers to.</param>
/// <param name="resourceProperty">ResourceProperty instance.</param>
/// <returns>An instance of ResourceAssociationTypeEnd.</returns>
private static ResourceAssociationTypeEnd PopulateResourceAssociationTypeEnd(AssociationEndMember end, ResourceType resourceType, ResourceProperty resourceProperty)
{
ResourceAssociationTypeEnd resourceAssociationTypeEnd = new ResourceAssociationTypeEnd(end.Name, resourceType, resourceProperty, ObjectContextServiceProvider.GetMultiplicity(end.RelationshipMultiplicity), (EdmOnDeleteAction)end.DeleteBehavior);
ObjectContextServiceProvider.PopulateAnnotations(end.MetadataProperties, resourceAssociationTypeEnd.AddCustomAnnotation);
return resourceAssociationTypeEnd;
}
