/// <summary>
/// Creates two navigation properties representing an association between two entity types.
/// </summary>
/// <param name="propertyName">Navigation property name.</param>
/// <param name="propertyType">Type of the navigation property.</param>
/// <param name="dependentProperties">Dependent properties of the navigation source.</param>
/// <param name="principalProperties">Principal properties of the navigation source.</param>
/// <param name="containsTarget">A value indicating whether the navigation source logically contains the navigation target.</param>
/// <param name="onDelete">Action to take upon deletion of an instance of the navigation source.</param>
/// <param name="partnerPropertyName">Navigation partner property name.</param>
/// <param name="partnerPropertyType">Type of the navigation partner property.</param>
/// <param name="partnerDependentProperties">Dependent properties of the navigation target.</param>
/// <param name="partnerPrincipalProperties">Principal properties of the navigation target.</param>
/// <param name="partnerContainsTarget">A value indicating whether the navigation target logically contains the navigation source.</param>
/// <param name="partnerOnDelete">Action to take upon deletion of an instance of the navigation target.</param>
/// <returns>Navigation property.</returns>
public static EdmNavigationProperty CreateNavigationPropertyWithPartner(
string propertyName,
IEdmTypeReference propertyType,
IEnumerable <IEdmStructuralProperty> dependentProperties,
IEnumerable <IEdmStructuralProperty> principalProperties,
bool containsTarget,
EdmOnDeleteAction onDelete,
string partnerPropertyName,
IEdmTypeReference partnerPropertyType,
IEnumerable <IEdmStructuralProperty> partnerDependentProperties,
IEnumerable <IEdmStructuralProperty> partnerPrincipalProperties,
bool partnerContainsTarget,
EdmOnDeleteAction partnerOnDelete)
{
EdmUtil.CheckArgumentNull(propertyName, "propertyName");
EdmUtil.CheckArgumentNull(propertyType, "propertyType");
EdmUtil.CheckArgumentNull(partnerPropertyName, "partnerPropertyName");
EdmUtil.CheckArgumentNull(partnerPropertyType, "partnerPropertyType");
IEdmStructuredType declaringType = null;
if (partnerPropertyType.Definition.TypeKind == EdmTypeKind.Entity)
{
declaringType = GetEntityType(partnerPropertyType) as IEdmEntityType;
if (declaringType == null)
{
throw new ArgumentException(Strings.Constructable_EntityTypeOrCollectionOfEntityTypeExpected, nameof(partnerPropertyType));
}
}
else if (partnerPropertyType.Definition.TypeKind == EdmTypeKind.Complex)
{
declaringType = GetComplexType(partnerPropertyType) as IEdmComplexType;
if (declaringType == null)
{
throw new ArgumentException(Strings.Constructable_EntityTypeOrCollectionOfEntityTypeExpected, nameof(partnerPropertyType));
}
}
else
{
throw new ArgumentException(Strings.Constructable_EntityTypeOrCollectionOfEntityTypeExpected, nameof(partnerPropertyType));
}
IEdmEntityType partnerDeclaringType = GetEntityType(propertyType);
if (partnerDeclaringType == null)
{
throw new ArgumentException(Strings.Constructable_EntityTypeOrCollectionOfEntityTypeExpected, nameof(propertyType));
}
EdmNavigationProperty end1 = new EdmNavigationProperty(
declaringType,
propertyName,
propertyType,
dependentProperties,
principalProperties,
containsTarget,
onDelete);
EdmNavigationProperty end2 = new EdmNavigationProperty(
partnerDeclaringType,
partnerPropertyName,
partnerPropertyType,
partnerDependentProperties,
partnerPrincipalProperties,
partnerContainsTarget,
partnerOnDelete);
end1.SetPartner(end2, new EdmPathExpression(end2.Name));
end2.SetPartner(end1, new EdmPathExpression(end1.Name));
return(end1);
}
