com.mongodb.async.client.gridfs

Interface GridFSDownloadStream

All Superinterfaces:

AsyncInputStream

public interface GridFSDownloadStream
extends AsyncInputStream

A GridFS InputStream for downloading data from GridFS

Provides the GridFSFile for the file to being downloaded as well as the read methods of a AsyncInputStream

Since:

3.3

Method Summary

Modifier and Type	Method and Description
GridFSDownloadStream	batchSize(int batchSize) Sets the number of chunks to return per batch.
void	getGridFSFile(SingleResultCallback<GridFSFile> callback) Gets the corresponding GridFSFile for the file being downloaded

Methods inherited from interface com.mongodb.async.client.gridfs.AsyncInputStream

close, read

Method Detail

getGridFSFile

void getGridFSFile(SingleResultCallback<GridFSFile> callback)

Gets the corresponding GridFSFile for the file being downloaded

Parameters:

callback - that returns the corresponding GridFSFile for the file being downloaded

batchSize

GridFSDownloadStream batchSize(int batchSize)

Sets the number of chunks to return per batch.

Can be used to control the memory consumption of this InputStream. The smaller the batchSize the lower the memory consumption and higher latency.

Parameters:

batchSize - the batch size

Returns:

this

MongoDB documentation

Batch Size