private static void CreateRelationships(
            IReadOnlyList <RelationshipCandidate> relationshipCandidates, InternalEntityTypeBuilder entityTypeBuilder)
        {
            foreach (var relationshipCandidate in relationshipCandidates)
            {
                Debug.Assert(relationshipCandidate.NavigationProperties.Count > 0);
                if ((relationshipCandidate.NavigationProperties.Count > 1 &&
                     relationshipCandidate.InverseProperties.Count > 0) ||
                    relationshipCandidate.InverseProperties.Count > 1)
                {
                    foreach (var navigationProperty in relationshipCandidate.NavigationProperties)
                    {
                        var existingForeignKey = entityTypeBuilder.Metadata.FindDeclaredNavigation(navigationProperty.Name)?.ForeignKey;
                        existingForeignKey?.DeclaringEntityType.Builder
                        .RemoveForeignKey(existingForeignKey, ConfigurationSource.Convention);
                    }

                    foreach (var inverseProperty in relationshipCandidate.InverseProperties)
                    {
                        var existingForeignKey = relationshipCandidate.TargetTypeBuilder.Metadata
                                                 .FindDeclaredNavigation(inverseProperty.Name)?.ForeignKey;
                        existingForeignKey?.DeclaringEntityType.Builder
                        .RemoveForeignKey(existingForeignKey, ConfigurationSource.Convention);
                    }

                    continue;
                }

                foreach (var navigation in relationshipCandidate.NavigationProperties)
                {
                    var inverse = relationshipCandidate.InverseProperties.SingleOrDefault();
                    if (inverse == null)
                    {
                        entityTypeBuilder.Navigation(
                            relationshipCandidate.TargetTypeBuilder,
                            navigation,
                            ConfigurationSource.Convention);
                    }
                    else
                    {
                        entityTypeBuilder.Relationship(
                            relationshipCandidate.TargetTypeBuilder,
                            navigation,
                            inverse,
                            ConfigurationSource.Convention);
                    }
                }
            }
        }
        private void CreateRelationships(
            IReadOnlyList <RelationshipCandidate> relationshipCandidates, InternalEntityTypeBuilder entityTypeBuilder)
        {
            var unusedEntityTypes = new List <EntityType>();

            foreach (var relationshipCandidate in relationshipCandidates)
            {
                Debug.Assert(relationshipCandidate.NavigationProperties.Count > 0);

                var entityType        = entityTypeBuilder.Metadata;
                var targetEntityType  = relationshipCandidate.TargetTypeBuilder.Metadata;
                var isAmbiguousOnBase = (entityType.BaseType != null &&
                                         HasAmbiguousNavigationsTo(
                                             entityType.BaseType, targetEntityType.ClrType)) ||
                                        (targetEntityType.BaseType != null &&
                                         HasAmbiguousNavigationsTo(
                                             targetEntityType.BaseType, entityType.ClrType));

                if ((relationshipCandidate.NavigationProperties.Count > 1 &&
                     relationshipCandidate.InverseProperties.Count > 0) ||
                    relationshipCandidate.InverseProperties.Count > 1 ||
                    isAmbiguousOnBase)
                {
                    if (!isAmbiguousOnBase)
                    {
                        AddAmbiguous(entityTypeBuilder, relationshipCandidate.NavigationProperties, targetEntityType.ClrType);

                        AddAmbiguous(relationshipCandidate.TargetTypeBuilder, relationshipCandidate.InverseProperties, entityType.ClrType);
                    }

                    foreach (var navigationProperty in relationshipCandidate.NavigationProperties)
                    {
                        var existingForeignKey = entityType.FindDeclaredNavigation(navigationProperty.Name)?.ForeignKey;
                        existingForeignKey?.DeclaringEntityType.Builder
                        .RemoveForeignKey(existingForeignKey, ConfigurationSource.Convention);
                    }

                    foreach (var inverseProperty in relationshipCandidate.InverseProperties)
                    {
                        var existingForeignKey = targetEntityType.FindDeclaredNavigation(inverseProperty.Name)?.ForeignKey;
                        existingForeignKey?.DeclaringEntityType.Builder
                        .RemoveForeignKey(existingForeignKey, ConfigurationSource.Convention);
                    }

                    unusedEntityTypes.Add(targetEntityType);

                    continue;
                }

                foreach (var navigation in relationshipCandidate.NavigationProperties)
                {
                    if (targetEntityType.Builder == null)
                    {
                        continue;
                    }

                    if (InversePropertyAttributeConvention.IsAmbiguous(entityType, navigation, targetEntityType))
                    {
                        unusedEntityTypes.Add(targetEntityType);
                        continue;
                    }

                    var inverse = relationshipCandidate.InverseProperties.SingleOrDefault();
                    if (inverse == null)
                    {
                        entityTypeBuilder.Navigation(
                            relationshipCandidate.TargetTypeBuilder,
                            navigation,
                            ConfigurationSource.Convention);
                    }
                    else
                    {
                        if (InversePropertyAttributeConvention.IsAmbiguous(targetEntityType, inverse, entityType))
                        {
                            unusedEntityTypes.Add(targetEntityType);
                            continue;
                        }
                        entityTypeBuilder.Relationship(
                            targetEntityType.Builder,
                            navigation,
                            inverse,
                            ConfigurationSource.Convention);
                    }
                }
            }

            foreach (var unusedEntityType in unusedEntityTypes)
            {
                if (unusedEntityType.HasDelegatedIdentity() &&
                    unusedEntityType.DefiningEntityType.FindNavigation(unusedEntityType.DefiningNavigationName) == null)
                {
                    entityTypeBuilder.ModelBuilder.
                    RemoveDelegatedIdentityEntityType(unusedEntityType, ConfigurationSource.Convention);
                }
            }
        }
示例#3
0
        private static void CreateRelationships(
            IEnumerable <RelationshipCandidate> relationshipCandidates, InternalEntityTypeBuilder entityTypeBuilder)
        {
            var unusedEntityTypes = new List <EntityType>();

            foreach (var relationshipCandidate in relationshipCandidates)
            {
                var entityType        = entityTypeBuilder.Metadata;
                var targetEntityType  = relationshipCandidate.TargetTypeBuilder.Metadata;
                var isAmbiguousOnBase = entityType.BaseType != null &&
                                        HasAmbiguousNavigationsTo(
                    entityType.BaseType, targetEntityType.ClrType) ||
                                        targetEntityType.BaseType != null &&
                                        HasAmbiguousNavigationsTo(
                    targetEntityType.BaseType, entityType.ClrType);

                if (relationshipCandidate.NavigationProperties.Count > 1 &&
                    relationshipCandidate.InverseProperties.Count > 0 ||
                    relationshipCandidate.InverseProperties.Count > 1 ||
                    isAmbiguousOnBase)
                {
                    if (!isAmbiguousOnBase)
                    {
                        AddAmbiguous(entityTypeBuilder, relationshipCandidate.NavigationProperties, targetEntityType.ClrType);

                        AddAmbiguous(targetEntityType.Builder, relationshipCandidate.InverseProperties, entityType.ClrType);
                    }

                    foreach (var navigationProperty in relationshipCandidate.NavigationProperties)
                    {
                        var existingForeignKey = entityType.FindDeclaredNavigation(navigationProperty.Name)?.ForeignKey;
                        existingForeignKey?.DeclaringEntityType.Builder
                        .RemoveForeignKey(existingForeignKey, ConfigurationSource.Convention);
                    }

                    foreach (var inverseProperty in relationshipCandidate.InverseProperties)
                    {
                        var existingForeignKey = targetEntityType.FindDeclaredNavigation(inverseProperty.Name)?.ForeignKey;
                        existingForeignKey?.DeclaringEntityType.Builder
                        .RemoveForeignKey(existingForeignKey, ConfigurationSource.Convention);
                    }

                    unusedEntityTypes.Add(targetEntityType);

                    continue;
                }

                foreach (var navigation in relationshipCandidate.NavigationProperties)
                {
                    if (targetEntityType.Builder == null)
                    {
                        continue;
                    }

                    if (InversePropertyAttributeConvention.IsAmbiguous(entityType, navigation, targetEntityType))
                    {
                        unusedEntityTypes.Add(targetEntityType);
                        continue;
                    }

                    var inverse = relationshipCandidate.InverseProperties.SingleOrDefault();
                    if (inverse == null)
                    {
                        if (targetEntityType.DefiningNavigationName == navigation.Name &&
                            targetEntityType.DefiningEntityType == entityType &&
                            targetEntityType.Model.ShouldBeOwnedType(targetEntityType.ClrType))
                        {
                            entityTypeBuilder.Owns(
                                targetEntityType.ClrType,
                                navigation,
                                ConfigurationSource.Convention);
                        }
                        else
                        {
                            entityTypeBuilder.Navigation(
                                targetEntityType.Builder,
                                navigation,
                                ConfigurationSource.Convention);
                        }
                    }
                    else
                    {
                        if (InversePropertyAttributeConvention.IsAmbiguous(targetEntityType, inverse, entityType))
                        {
                            unusedEntityTypes.Add(targetEntityType);
                            continue;
                        }

                        if (targetEntityType.DefiningNavigationName == navigation.Name &&
                            targetEntityType.DefiningEntityType == entityType &&
                            targetEntityType.Model.ShouldBeOwnedType(targetEntityType.ClrType))
                        {
                            entityTypeBuilder.Owns(
                                targetEntityType.ClrType,
                                navigation,
                                inverse,
                                ConfigurationSource.Convention);
                        }
                        else
                        {
                            entityTypeBuilder.Relationship(
                                targetEntityType.Builder,
                                navigation,
                                inverse,
                                ConfigurationSource.Convention);
                        }
                    }
                }

                if (relationshipCandidate.NavigationProperties.Count == 0)
                {
                    foreach (var inverse in relationshipCandidate.InverseProperties)
                    {
                        if (targetEntityType.Builder == null)
                        {
                            continue;
                        }

                        if (InversePropertyAttributeConvention.IsAmbiguous(targetEntityType, inverse, entityType))
                        {
                            unusedEntityTypes.Add(targetEntityType);
                            continue;
                        }

                        targetEntityType.Builder.Navigation(
                            entityTypeBuilder,
                            inverse,
                            ConfigurationSource.Convention);
                    }
                }
            }

            foreach (var unusedEntityType in unusedEntityTypes)
            {
                if (unusedEntityType.HasDefiningNavigation() &&
                    unusedEntityType.DefiningEntityType.FindNavigation(unusedEntityType.DefiningNavigationName) == null)
                {
                    entityTypeBuilder.ModelBuilder.RemoveEntityType(unusedEntityType, ConfigurationSource.Convention);
                }
            }
        }
示例#4
0
        private void CreateRelationships(
            IReadOnlyList <RelationshipCandidate> relationshipCandidates, InternalEntityTypeBuilder entityTypeBuilder)
        {
            foreach (var relationshipCandidate in relationshipCandidates)
            {
                Debug.Assert(relationshipCandidate.NavigationProperties.Count > 0);
                var isAmbiguousOnBase = (entityTypeBuilder.Metadata.BaseType != null &&
                                         HasAmbiguousNavigationsTo(
                                             entityTypeBuilder.Metadata.BaseType, relationshipCandidate.TargetTypeBuilder.Metadata.ClrType)) ||
                                        (relationshipCandidate.TargetTypeBuilder.Metadata.BaseType != null &&
                                         HasAmbiguousNavigationsTo(
                                             relationshipCandidate.TargetTypeBuilder.Metadata.BaseType, entityTypeBuilder.Metadata.ClrType));

                if ((relationshipCandidate.NavigationProperties.Count > 1 &&
                     relationshipCandidate.InverseProperties.Count > 0) ||
                    relationshipCandidate.InverseProperties.Count > 1 ||
                    isAmbiguousOnBase)
                {
                    if (!isAmbiguousOnBase)
                    {
                        AddAmbiguous(entityTypeBuilder, relationshipCandidate.NavigationProperties, relationshipCandidate.TargetTypeBuilder.Metadata.ClrType);

                        AddAmbiguous(relationshipCandidate.TargetTypeBuilder, relationshipCandidate.InverseProperties, entityTypeBuilder.Metadata.ClrType);
                    }

                    foreach (var navigationProperty in relationshipCandidate.NavigationProperties)
                    {
                        var existingForeignKey = entityTypeBuilder.Metadata.FindDeclaredNavigation(navigationProperty.Name)?.ForeignKey;
                        existingForeignKey?.DeclaringEntityType.Builder
                        .RemoveForeignKey(existingForeignKey, ConfigurationSource.Convention);
                    }

                    foreach (var inverseProperty in relationshipCandidate.InverseProperties)
                    {
                        var existingForeignKey = relationshipCandidate.TargetTypeBuilder.Metadata
                                                 .FindDeclaredNavigation(inverseProperty.Name)?.ForeignKey;
                        existingForeignKey?.DeclaringEntityType.Builder
                        .RemoveForeignKey(existingForeignKey, ConfigurationSource.Convention);
                    }

                    continue;
                }

                foreach (var navigation in relationshipCandidate.NavigationProperties)
                {
                    var inverse = relationshipCandidate.InverseProperties.SingleOrDefault();
                    if (inverse == null)
                    {
                        entityTypeBuilder.Navigation(
                            relationshipCandidate.TargetTypeBuilder,
                            navigation,
                            ConfigurationSource.Convention);
                    }
                    else
                    {
                        entityTypeBuilder.Relationship(
                            relationshipCandidate.TargetTypeBuilder,
                            navigation,
                            inverse,
                            ConfigurationSource.Convention);
                    }
                }
            }
        }