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);
}