/// <summary>
/// Mounts the bucket. Mount is necessary before using a bucket to ensure the existence of tables and indexes.
/// </summary>
public async Task MountAsync(CancellationToken cancelToken = default)
{
if (this.Mounted)
{
return;
}
var filesTableResult = await EnsureTable(this.fileTableName, cancelToken)
.ConfigureAwait(false);
if (filesTableResult.TablesCreated == 1)
{
//index the file paths of completed files and status
ReqlFunction1 pathIx = row => { return(R.Array(row[FileInfo.StatusJsonName], row[FileInfo.FileNameJsonName], row[FileInfo.FinishedDateJsonName])); };
await CreateIndex(this.fileTableName, this.fileIndex, pathIx, cancelToken)
.ConfigureAwait(false);
//prefix IX
ReqlFunction1 prefixIx = doc =>
{
//return r.array(doc[FileInfo.FileNameJsonName].split("/").slice(1, -1), doc[FileInfo.FinishedDateJsonName]);
return(R.Branch(doc[FileInfo.StatusJsonName].Eq(Status.Completed),
R.Array(doc[FileInfo.FileNameJsonName].Split("/").Slice(1, -1), doc[FileInfo.FinishedDateJsonName]),
R.Error()));
};
await CreateIndex(this.fileTableName, this.fileIndexPrefix, prefixIx, cancelToken)
.ConfigureAwait(false);
}
// CHUNK TAABLE INDEXES
var chunkTableResult = await EnsureTable(this.chunkTableName, cancelToken)
.ConfigureAwait(false);
if (chunkTableResult.TablesCreated == 1)
{
//Index the chunks and their parent [fileid, n].
ReqlFunction1 chunkIx = row => { return(R.Array(row[Chunk.FilesIdJsonName], row[Chunk.NumJsonName])); };
await CreateIndex(this.chunkTableName, this.chunkIndexName, chunkIx, cancelToken)
.ConfigureAwait(false);
}
this.Mounted = true;
}