public virtual InternalRelationshipBuilder Apply(InternalRelationshipBuilder relationshipBuilder)
{
var foreignKey = relationshipBuilder.Metadata;
if (!foreignKey.Properties.All(fk => fk.IsShadowProperty))
{
return(relationshipBuilder);
}
var foreignKeyProperties = FindCandidateForeignKeyProperties(
relationshipBuilder.Metadata, onDependent: true);
if (foreignKey.IsUnique &&
!foreignKey.IsSelfPrimaryKeyReferencing())
{
var candidatePropertiesOnPrincipal = FindCandidateForeignKeyProperties(
relationshipBuilder.Metadata, onDependent: false);
if (ShouldInvert(relationshipBuilder.Metadata, foreignKeyProperties, candidatePropertiesOnPrincipal) &&
relationshipBuilder.CanInvert(candidatePropertiesOnPrincipal, ConfigurationSource.Convention))
{
relationshipBuilder = relationshipBuilder.DependentEntityType(relationshipBuilder.Metadata.PrincipalEntityType, ConfigurationSource.Convention);
if (candidatePropertiesOnPrincipal != null)
{
relationshipBuilder = relationshipBuilder.HasForeignKey(
candidatePropertiesOnPrincipal, ConfigurationSource.Convention);
}
Debug.Assert(relationshipBuilder != null);
return(relationshipBuilder);
}
if (foreignKeyProperties == null)
{
foreignKeyProperties = GetCompatiblePrimaryKeyProperties(
relationshipBuilder.Metadata.DeclaringEntityType,
relationshipBuilder.Metadata.PrincipalEntityType,
relationshipBuilder.Metadata.PrincipalKey.Properties);
}
}
if ((foreignKeyProperties == null) ||
(relationshipBuilder.Metadata.DeclaringEntityType.FindForeignKey(foreignKeyProperties, foreignKey.PrincipalKey, foreignKey.PrincipalEntityType) != null))
{
return(relationshipBuilder);
}
var newRelationshipBuilder = relationshipBuilder.HasForeignKey(foreignKeyProperties, ConfigurationSource.Convention);
if (newRelationshipBuilder != null)
{
return(newRelationshipBuilder);
}
return(relationshipBuilder);
}
public virtual InternalRelationshipBuilder Apply(InternalRelationshipBuilder relationshipBuilder)
{
var foreignKey = (IForeignKey)relationshipBuilder.Metadata;
if (!foreignKey.Properties.All(fk => fk.IsShadowProperty))
{
return relationshipBuilder;
}
var foreignKeyProperties = FindCandidateForeignKeyProperties(
relationshipBuilder.Metadata, onDependent: true);
if (foreignKey.IsUnique
&& !foreignKey.IsSelfPrimaryKeyReferencing())
{
var candidatePropertiesOnPrincipal = FindCandidateForeignKeyProperties(
relationshipBuilder.Metadata, onDependent: false);
if (ShouldInvert(relationshipBuilder.Metadata, foreignKeyProperties, candidatePropertiesOnPrincipal)
&& relationshipBuilder.CanInvert(candidatePropertiesOnPrincipal, ConfigurationSource.Convention))
{
relationshipBuilder = relationshipBuilder.DependentEntityType(relationshipBuilder.Metadata.PrincipalEntityType, ConfigurationSource.Convention);
if (candidatePropertiesOnPrincipal != null)
{
relationshipBuilder = relationshipBuilder.HasForeignKey(
candidatePropertiesOnPrincipal, ConfigurationSource.Convention);
}
Debug.Assert(relationshipBuilder != null);
return relationshipBuilder;
}
if (foreignKeyProperties == null)
{
foreignKeyProperties = GetCompatiblePrimaryKeyProperties(
relationshipBuilder.Metadata.DeclaringEntityType,
relationshipBuilder.Metadata.PrincipalEntityType,
relationshipBuilder.Metadata.PrincipalKey.Properties);
}
}
if (foreignKeyProperties == null
|| relationshipBuilder.Metadata.DeclaringEntityType.FindForeignKey(foreignKeyProperties, foreignKey.PrincipalKey, foreignKey.PrincipalEntityType) != null)
{
return relationshipBuilder;
}
var newRelationshipBuilder = relationshipBuilder.HasForeignKey(foreignKeyProperties, ConfigurationSource.Convention);
if (newRelationshipBuilder != null)
{
return newRelationshipBuilder;
}
return relationshipBuilder;
}
public virtual InternalRelationshipBuilder Apply(InternalRelationshipBuilder relationshipBuilder)
{
var foreignKey = relationshipBuilder.Metadata;
if (!foreignKey.Properties.All(fk => fk.IsShadowProperty))
{
return(relationshipBuilder);
}
var foreignKeyProperties = FindCandidateForeignKeyProperties(
foreignKey, onDependent: true);
if (foreignKey.IsUnique &&
!foreignKey.IsSelfPrimaryKeyReferencing())
{
var candidatePropertiesOnPrincipal = FindCandidateForeignKeyProperties(
foreignKey, onDependent: false);
if (candidatePropertiesOnPrincipal != null)
{
if ((foreignKeyProperties == null) &&
relationshipBuilder.CanInvert(candidatePropertiesOnPrincipal, ConfigurationSource.Convention))
{
// Invert only if principal side has matching property & dependent does not have
relationshipBuilder = relationshipBuilder
.DependentEntityType(foreignKey.PrincipalEntityType, ConfigurationSource.Convention)
.HasForeignKey(candidatePropertiesOnPrincipal, ConfigurationSource.Convention);
Debug.Assert(relationshipBuilder != null);
return(relationshipBuilder);
}
// Return if both sides have matching property
return(relationshipBuilder);
}
// Only match with PK if the principal end is set
if ((!ConfigurationSource.Convention.Overrides(foreignKey.GetPrincipalEndConfigurationSource()) ||
!ConfigurationSource.Convention.Overrides(foreignKey.GetPrincipalKeyConfigurationSource())) &&
(foreignKeyProperties == null))
{
foreignKeyProperties = GetCompatiblePrimaryKeyProperties(
foreignKey.DeclaringEntityType,
foreignKey.PrincipalEntityType,
foreignKey.PrincipalKey.Properties);
}
}
else if ((foreignKey.DependentToPrincipal != null) &&
!foreignKey.DependentToPrincipal.IsCollection() &&
(foreignKey.PrincipalToDependent == null))
{
// Single reference navigation which can be converted to one to one
var candidatePropertiesOnPrincipal = FindCandidateForeignKeyProperties(
foreignKey, onDependent: false);
if (candidatePropertiesOnPrincipal != null)
{
if ((foreignKeyProperties == null) &&
relationshipBuilder.CanInvert(candidatePropertiesOnPrincipal, ConfigurationSource.Convention))
{
// Invert and set one to one if principal side has matching property & dependent side does not have
relationshipBuilder = relationshipBuilder
.DependentEntityType(foreignKey.PrincipalEntityType, ConfigurationSource.Convention)
.IsUnique(true, ConfigurationSource.Convention)
.HasForeignKey(candidatePropertiesOnPrincipal, ConfigurationSource.Convention);
Debug.Assert(relationshipBuilder != null);
return(relationshipBuilder);
}
}
}
if ((foreignKeyProperties == null) ||
(foreignKey.DeclaringEntityType.FindForeignKey(foreignKeyProperties, foreignKey.PrincipalKey, foreignKey.PrincipalEntityType) != null))
{
return(relationshipBuilder);
}
var newRelationshipBuilder = relationshipBuilder.HasForeignKey(foreignKeyProperties, ConfigurationSource.Convention);
if (newRelationshipBuilder != null)
{
return(newRelationshipBuilder);
}
return(relationshipBuilder);
}
public virtual InternalRelationshipBuilder Apply(InternalRelationshipBuilder relationshipBuilder)
{
Check.NotNull(relationshipBuilder, nameof(relationshipBuilder));
var foreignKey = relationshipBuilder.Metadata;
var fkPropertyOnPrincipal = FindForeignKeyAttributeOnProperty(foreignKey.PrincipalEntityType, foreignKey.PrincipalToDependent?.Name);
var fkPropertyOnDependent = FindForeignKeyAttributeOnProperty(foreignKey.DeclaringEntityType, foreignKey.DependentToPrincipal?.Name);
if (!string.IsNullOrEmpty(fkPropertyOnDependent) &&
!string.IsNullOrEmpty(fkPropertyOnPrincipal))
{
// TODO: Log Error that unable to determine principal end based on foreign key attributes on properties
SplitNavigationsInSeparateRelationships(relationshipBuilder);
return(null);
}
var fkPropertiesOnPrincipalToDependent = FindCandidateDependentPropertiesThroughNavigation(relationshipBuilder, pointsToPrincipal: false);
var fkPropertiesOnDependentToPrincipal = FindCandidateDependentPropertiesThroughNavigation(relationshipBuilder, pointsToPrincipal: true);
if (fkPropertiesOnDependentToPrincipal != null &&
fkPropertiesOnPrincipalToDependent != null &&
!fkPropertiesOnDependentToPrincipal.SequenceEqual(fkPropertiesOnPrincipalToDependent))
{
// TODO: Log error that foreign key properties on both navigations do not match
SplitNavigationsInSeparateRelationships(relationshipBuilder);
return(null);
}
var fkPropertiesOnNavigation = fkPropertiesOnDependentToPrincipal ?? fkPropertiesOnPrincipalToDependent;
InternalRelationshipBuilder newRelationshipBuilder = null;
if (fkPropertiesOnNavigation == null ||
fkPropertiesOnNavigation.Count == 0)
{
if (fkPropertyOnDependent == null &&
fkPropertyOnPrincipal == null)
{
return(relationshipBuilder);
}
if (fkPropertyOnDependent != null)
{
newRelationshipBuilder = relationshipBuilder.HasForeignKey(new List <string> {
fkPropertyOnDependent
}, ConfigurationSource.DataAnnotation);
}
else
{
newRelationshipBuilder = relationshipBuilder
.DependentEntityType(foreignKey.PrincipalEntityType, ConfigurationSource.DataAnnotation)
?.HasForeignKey(new List <string> {
fkPropertyOnPrincipal
}, ConfigurationSource.DataAnnotation);
}
}
else
{
if (fkPropertyOnDependent == null &&
fkPropertyOnPrincipal == null)
{
if (fkPropertiesOnNavigation.All(p => foreignKey.DeclaringEntityType.FindProperty(p) != null) ||
fkPropertiesOnNavigation.Any(p => foreignKey.PrincipalEntityType.FindProperty(p) == null))
{
newRelationshipBuilder = relationshipBuilder.HasForeignKey(fkPropertiesOnNavigation, ConfigurationSource.DataAnnotation);
}
else
{
newRelationshipBuilder = relationshipBuilder
.DependentEntityType(foreignKey.PrincipalEntityType, ConfigurationSource.DataAnnotation)
?.HasForeignKey(fkPropertiesOnNavigation, ConfigurationSource.DataAnnotation);
}
}
else
{
if (fkPropertiesOnNavigation.Count != 1 ||
!string.Equals(fkPropertiesOnNavigation.First(), fkPropertyOnDependent ?? fkPropertyOnPrincipal))
{
// TODO: Log error that mismatch in foreignKey Attribute on navigation and property
SplitNavigationsInSeparateRelationships(relationshipBuilder);
return(null);
}
if (fkPropertyOnDependent != null)
{
newRelationshipBuilder = relationshipBuilder.HasForeignKey(fkPropertiesOnNavigation, ConfigurationSource.DataAnnotation);
}
else
{
newRelationshipBuilder = relationshipBuilder
.DependentEntityType(foreignKey.PrincipalEntityType, ConfigurationSource.DataAnnotation)
?.HasForeignKey(fkPropertiesOnNavigation, ConfigurationSource.DataAnnotation);
}
}
}
return(newRelationshipBuilder ?? relationshipBuilder);
}
public virtual InternalRelationshipBuilder Apply(InternalRelationshipBuilder relationshipBuilder)
{
Check.NotNull(relationshipBuilder, nameof(relationshipBuilder));
var foreignKey = relationshipBuilder.Metadata;
var fkPropertyOnPrincipal = FindForeignKeyAttributeOnProperty(foreignKey.PrincipalEntityType, foreignKey.PrincipalToDependent?.Name);
var fkPropertyOnDependent = FindForeignKeyAttributeOnProperty(foreignKey.DeclaringEntityType, foreignKey.DependentToPrincipal?.Name);
if (!string.IsNullOrEmpty(fkPropertyOnDependent)
&& !string.IsNullOrEmpty(fkPropertyOnPrincipal))
{
// TODO: Log Error that unable to determine principal end based on foreign key attributes on properties
SplitNavigationsInSeparateRelationships(relationshipBuilder);
return null;
}
var fkPropertiesOnPrincipalToDependent = FindCandidateDependentPropertiesThroughNavigation(relationshipBuilder, pointsToPrincipal: false);
var fkPropertiesOnDependentToPrincipal = FindCandidateDependentPropertiesThroughNavigation(relationshipBuilder, pointsToPrincipal: true);
if (fkPropertiesOnDependentToPrincipal != null
&& fkPropertiesOnPrincipalToDependent != null
&& !fkPropertiesOnDependentToPrincipal.SequenceEqual(fkPropertiesOnPrincipalToDependent))
{
// TODO: Log error that foreign key properties on both navigations do not match
SplitNavigationsInSeparateRelationships(relationshipBuilder);
return null;
}
var fkPropertiesOnNavigation = fkPropertiesOnDependentToPrincipal ?? fkPropertiesOnPrincipalToDependent;
InternalRelationshipBuilder newRelationshipBuilder = null;
if (fkPropertiesOnNavigation == null
|| fkPropertiesOnNavigation.Count == 0)
{
if (fkPropertyOnDependent == null
&& fkPropertyOnPrincipal == null)
{
return relationshipBuilder;
}
if (fkPropertyOnDependent != null)
{
newRelationshipBuilder = relationshipBuilder.HasForeignKey(new List<string> { fkPropertyOnDependent }, ConfigurationSource.DataAnnotation);
}
else
{
newRelationshipBuilder = relationshipBuilder
.DependentEntityType(foreignKey.PrincipalEntityType, ConfigurationSource.DataAnnotation)
?.HasForeignKey(new List<string> { fkPropertyOnPrincipal }, ConfigurationSource.DataAnnotation);
}
}
else
{
if (fkPropertyOnDependent == null
&& fkPropertyOnPrincipal == null)
{
if (fkPropertiesOnNavigation.All(p => foreignKey.DeclaringEntityType.FindProperty(p) != null)
|| fkPropertiesOnNavigation.Any(p => foreignKey.PrincipalEntityType.FindProperty(p) == null))
{
newRelationshipBuilder = relationshipBuilder.HasForeignKey(fkPropertiesOnNavigation, ConfigurationSource.DataAnnotation);
}
else
{
newRelationshipBuilder = relationshipBuilder
.DependentEntityType(foreignKey.PrincipalEntityType, ConfigurationSource.DataAnnotation)
?.HasForeignKey(fkPropertiesOnNavigation, ConfigurationSource.DataAnnotation);
}
}
else
{
if (fkPropertiesOnNavigation.Count != 1
|| !string.Equals(fkPropertiesOnNavigation.First(), fkPropertyOnDependent ?? fkPropertyOnPrincipal))
{
// TODO: Log error that mismatch in foreignKey Attribute on navigation and property
SplitNavigationsInSeparateRelationships(relationshipBuilder);
return null;
}
if (fkPropertyOnDependent != null)
{
newRelationshipBuilder = relationshipBuilder.HasForeignKey(fkPropertiesOnNavigation, ConfigurationSource.DataAnnotation);
}
else
{
newRelationshipBuilder = relationshipBuilder
.DependentEntityType(foreignKey.PrincipalEntityType, ConfigurationSource.DataAnnotation)
?.HasForeignKey(fkPropertiesOnNavigation, ConfigurationSource.DataAnnotation);
}
}
}
return newRelationshipBuilder ?? relationshipBuilder;
}