public static SqlString GetSelectByUniqueKeyString(
this IPostInsertIdentityPersister persister,
string[] suppliedPropertyNames,
out IType[] parameterTypes)
{
if (persister is ICompositeKeyPostInsertIdentityPersister compositeKeyPersister)
{
return(compositeKeyPersister.GetSelectByUniqueKeyString(suppliedPropertyNames, out parameterTypes));
}
if (suppliedPropertyNames.Length > 1)
{
throw new IdentifierGenerationException(
$"persister {persister} does not implement {nameof(ICompositeKeyPostInsertIdentityPersister)}, " +
$"which is required for selecting by an unique key spanning multiple properties.");
}
if (persister is IEntityPersister entityPersister)
{
var uniqueKeyPropertyNames = suppliedPropertyNames ?? DetermineNameOfPropertiesToUse(entityPersister);
parameterTypes = uniqueKeyPropertyNames.ToArray(p => entityPersister.GetPropertyType(p));
}
else if (persister is IQueryableCollection collectionPersister)
{
parameterTypes = new[] { collectionPersister.KeyType, collectionPersister.ElementType };
}
else
{
throw new IdentifierGenerationException(
$"Persister type {persister.GetType()} is not supported by post insert identity persisters");
}
#pragma warning disable 618
return(persister.GetSelectByUniqueKeyString(suppliedPropertyNames[0]));
#pragma warning restore 618
}
