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);
}
}
}
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);
}
}
}
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);
}
}
}
}