private void Init <TParent>(TParent parent, string property) where TParent : IEntity
{
if (DB.DatabaseName <TParent>() != DB.DatabaseName <TChild>())
{
throw new NotSupportedException("Cross database relationships are not supported!");
}
this.parent = parent;
isInverse = false;
JoinCollection = DB.GetRefCollection <TParent>($"[{DB.CollectionName<TParent>()}~{DB.CollectionName<TChild>()}({property})]");
CreateIndexesAsync(JoinCollection);
}
private void Init <TParent>(TParent parent, string propertyParent, string propertyChild, bool isInverse) where TParent : IEntity
{
this.parent = parent;
this.isInverse = isInverse;
if (this.isInverse)
{
JoinCollection = DB.GetRefCollection <TParent>($"[({propertyParent}){DB.CollectionName<TChild>()}~{DB.CollectionName<TParent>()}({propertyChild})]");
}
else
{
JoinCollection = DB.GetRefCollection <TParent>($"[({propertyChild}){DB.CollectionName<TParent>()}~{DB.CollectionName<TChild>()}({propertyParent})]");
}
CreateIndexesAsync(JoinCollection);
}
public DataStreamer(FileEntity parent)
{
this.parent = parent;
parentType = parent.GetType();
db = TypeMap.GetDatabase(parentType);
chunkCollection = db.GetCollection <FileChunk>(DB.CollectionName <FileChunk>());
var dbName = db.DatabaseNamespace.DatabaseName;
if (!indexedDBs.Contains(dbName))
{
indexedDBs.Add(dbName);
_ = chunkCollection.Indexes.CreateOneAsync(
new CreateIndexModel <FileChunk>(
Builders <FileChunk> .IndexKeys.Ascending(c => c.FileID),
new CreateIndexOptions {
Background = true, Name = $"{nameof(FileChunk.FileID)}(Asc)"
}));
}
}
/// <summary>
/// Gets the collection name for this entity
/// </summary>
public static string CollectionName <T>(this T _) where T : IEntity
{
return(DB.CollectionName <T>());
}