/// <summary>
/// Generates next ID from sequence
/// </summary>
/// <param name="container">Container which stores identifiers</param>
/// <param name="document">Document which stores identifier</param>
/// <returns>Generated identifier</returns>
public object GenerateId(object container, object document)
{
Type containerType = container.GetType();
PropertyInfo databaseProperty = containerType.GetProperty("Database");
PropertyInfo namespaceProperty = containerType.GetProperty("CollectionNamespace");
if (databaseProperty == null)
{
throw new InvalidOperationException("Unable to locate \"Database\" property.");
}
if (namespaceProperty == null)
{
throw new InvalidOperationException("Unable to locate \"CollectionNamespace\" property.");
}
IMongoDatabase database = databaseProperty.GetValue(container) as IMongoDatabase;
CollectionNamespace collectionNamespace = namespaceProperty.GetValue(container) as CollectionNamespace;
if (database == null)
{
throw new InvalidOperationException("Database reference is null.");
}
if (collectionNamespace == null)
{
throw new InvalidOperationException("CollectionNamespace reference is null.");
}
var idSequenceCollection = database.GetCollection <IdentifierDto>(_prefix + "_identifiers");
IdentifierDto result = idSequenceCollection.FindOneAndUpdate(
Builders <IdentifierDto> .Filter.Eq(_ => _.Id, collectionNamespace.CollectionName),
Builders <IdentifierDto> .Update.Inc(_ => _.Seq, 1),
new FindOneAndUpdateOptions <IdentifierDto>()
{
IsUpsert = true,
ReturnDocument = ReturnDocument.After
});
return(FormatNumber(result.Seq));
}
public void JsonParser_Deserialize_Succeeds()
{
string json = GetTestJson();
var dto = Json.Deserialize <Dto>(json);
Assert.IsNotNull(dto, $"{nameof(dto)} is null");
Assert.IsNotNull(dto.Value, $"{nameof(dto.Value)} is null");
Assert.AreEqual("TestValue", dto.Value);
Assert.IsNotNull(dto.Identifiers, $"{nameof(dto.Identifiers)} is null");
Assert.AreEqual(2, dto.Identifiers?.Count ?? 0);
IdentifierDto identifier = dto.Identifiers.First();
Assert.IsNotNull(identifier, $"{nameof(identifier)} is null");
Assert.AreEqual(3, identifier.Id);
identifier = dto.Identifiers.Last();
Assert.IsNotNull(identifier, $"{nameof(identifier)} is null");
Assert.AreEqual(5, identifier.Id);
}
