public virtual InternalRelationshipBuilder Apply(InternalRelationshipBuilder relationshipBuilder)
{
Check.NotNull(relationshipBuilder, nameof(relationshipBuilder));
var fk = relationshipBuilder.Metadata;
var fromDeclaring = FindRelationshipAttributeOnProperty(
fk.DeclaringEntityType,
fk.DependentToPrincipal?.Name
);
var fromPrincipal = FindRelationshipAttributeOnProperty(
fk.PrincipalEntityType,
fk.PrincipalToDependent?.Name
);
if (!(fromDeclaring is null) && !(fromPrincipal is null))
{
throw new InvalidOperationException(
CypherStrings.DuplicateRelationshipAttribute(
fk.DeclaringEntityType.DisplayName(),
fk.DependentToPrincipal?.Name,
fk.PrincipalEntityType.DisplayName(),
fk.PrincipalToDependent?.Name
)
);
}
if (!(fromDeclaring is null))
{
relationshipBuilder
.Cypher(ConfigurationSource.DataAnnotation)
.HasRelationship(
fromDeclaring.Name ?? fromDeclaring.Type.DisplayName(),
fk.DeclaringEntityType.Name ?? fk.DeclaringEntityType.ClrType.DisplayName()
);
}
if (!(fromPrincipal is null))
{
relationshipBuilder
.Cypher(ConfigurationSource.DataAnnotation)
.HasRelationship(
fromPrincipal.Name ?? fromPrincipal.Type.DisplayName(),
fk.PrincipalEntityType.Name ?? fk.PrincipalEntityType.ClrType.DisplayName()
);
}
return(relationshipBuilder);
}