/// <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> /// 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; }