private IReadOnlyList <Property> FindMatchingNonShadowProperties(InternalRelationshipBuilder relationshipBuilder, string baseName, bool onDependent)
{
var foreignKey = relationshipBuilder.Metadata;
var entityType = onDependent
? foreignKey.DeclaringEntityType
: foreignKey.PrincipalEntityType;
var propertiesToReference = onDependent
? foreignKey.PrincipalKey.Properties
: foreignKey.DeclaringEntityType.FindPrimaryKey()?.Properties;
if (propertiesToReference == null)
{
return(null);
}
var foreignKeyProperties = new List <Property>();
foreach (IProperty referencedProperty in propertiesToReference)
{
var property = TryGetProperty(entityType,
baseName + referencedProperty.Name,
referencedProperty.ClrType.UnwrapNullableType());
if (property != null)
{
foreignKeyProperties.Add(property);
}
}
if (propertiesToReference.Count == 1 &&
foreignKeyProperties.Count == 0)
{
var property = TryGetProperty(entityType,
baseName + "Id",
((IProperty)propertiesToReference.Single()).ClrType.UnwrapNullableType());
if (property != null)
{
foreignKeyProperties.Add(property);
}
}
if (foreignKeyProperties.Count < propertiesToReference.Count)
{
return(null);
}
if (!relationshipBuilder.CanSetForeignKey(foreignKeyProperties, ConfigurationSource.Convention))
{
return(null);
}
var primaryKey = entityType.FindPrimaryKey();
if (primaryKey != null)
{
if (foreignKeyProperties.All(property => primaryKey.Properties.Contains(property)))
{
return(null);
}
}
return(foreignKeyProperties);
}
private IReadOnlyList<Property> FindMatchingNonShadowProperties(InternalRelationshipBuilder relationshipBuilder, string baseName, bool onDependent)
{
var foreignKey = relationshipBuilder.Metadata;
var entityType = onDependent
? foreignKey.DeclaringEntityType
: foreignKey.PrincipalEntityType;
var propertiesToReference = onDependent
? foreignKey.PrincipalKey.Properties
: foreignKey.DeclaringEntityType.FindPrimaryKey()?.Properties;
if (propertiesToReference == null)
{
return null;
}
var foreignKeyProperties = new List<Property>();
foreach (IProperty referencedProperty in propertiesToReference)
{
var property = TryGetProperty(entityType,
baseName + referencedProperty.Name,
referencedProperty.ClrType.UnwrapNullableType());
if (property != null)
{
foreignKeyProperties.Add(property);
}
}
if (propertiesToReference.Count == 1
&& foreignKeyProperties.Count == 0)
{
var property = TryGetProperty(entityType,
baseName + "Id",
((IProperty)propertiesToReference.Single()).ClrType.UnwrapNullableType());
if (property != null)
{
foreignKeyProperties.Add(property);
}
}
if (foreignKeyProperties.Count < propertiesToReference.Count)
{
return null;
}
if (!relationshipBuilder.CanSetForeignKey(foreignKeyProperties, ConfigurationSource.Convention))
{
return null;
}
var primaryKey = entityType.FindPrimaryKey();
if (primaryKey != null)
{
if (foreignKeyProperties.All(property => primaryKey.Properties.Contains(property)))
{
return null;
}
}
return foreignKeyProperties;
}