public static MongoDefine GetDefinition()
{
if (_instance == null)
{
IEnumerable <Type> types = (from assembly in AppDomain.CurrentDomain.GetAssemblies()
from assemblyType in assembly.GetTypes()
where typeof(MongoDefine).IsAssignableFrom(assemblyType) &&
!assemblyType.IsAbstract
select assemblyType).ToArray();
if (types.Count() == 0)
{
throw new Exception(string.Format("No types of {0} found, please declare one to define your database.", typeof(MongoDefine).Name));
}
if (types.Count() > 1)
{
throw new Exception(string.Format("Multiple types of {0} found, only 1 type is allowed per application", typeof(MongoDefine).Name));
}
_instance = Activator.CreateInstance(types.First()) as MongoDefine;
}
return(_instance);
}
/// <summary>
///
/// </summary>
public void TruncateAllCollections()
{
MongoDefine instance = MongoTypeProvider.GetDefinition();
IEnumerable <MCollection> collections = instance.Define();
foreach (MCollection collection in collections)
{
if (_mongo.CollectionExists(collection.Name))
{
_mongo.GetCollection(collection.Name).RemoveAll();
}
}
}
/// <summary>
/// Initializes database. This is not fast, so avoid calling it constantly. Ideally, this method is called
/// when your app starts up.
/// </summary>
public void InitializeDatabase()
{
MongoDefine instance = MongoTypeProvider.GetDefinition();
IEnumerable <MCollection> collections = instance.Define();
foreach (MCollection collection in collections)
{
if (!_mongo.CollectionExists(collection.Name))
{
_mongo.CreateCollection(collection.Name);
}
// set up indexes
if (collection.Indices.Length > 0)
{
_mongo.GetCollection <BsonDocument>(collection.Name).CreateIndex(IndexKeys.Ascending(collection.Indices), IndexOptions.SetUnique(true));
}
}
}
