com.mongodb.client.gridfs

Class GridFSUploadStream

java.lang.Object

java.io.OutputStream

com.mongodb.client.gridfs.GridFSUploadStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

@NotThreadSafe
public abstract class GridFSUploadStream
extends OutputStream

A GridFS OutputStream for uploading data into GridFS

Provides the id for the file to be uploaded as well as the write methods of a OutputStream

This implementation of a OutputStream will not throw IOExceptions. However, it will throw a MongoException if there is an error writing to MongoDB.

Since:

3.1

Constructor Summary

Constructors

Constructor and Description
GridFSUploadStream()

Method Summary

Modifier and Type	Method and Description
abstract void	abort() Aborts the upload and deletes any data.
abstract void	close()
void	flush()
abstract ObjectId	getFileId() Gets the ObjectId for the file to be uploaded
abstract void	write(byte[] b)
abstract void	write(byte[] b, int off, int len)
abstract void	write(int b)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GridFSUploadStream

public GridFSUploadStream()

Method Detail

getFileId

public abstract ObjectId getFileId()

Gets the ObjectId for the file to be uploaded

Returns:

the ObjectId for the file to be uploaded

abort

public abstract void abort()

Aborts the upload and deletes any data.

write

public abstract void write(int b)

Specified by:

write in class OutputStream

write

public abstract void write(byte[] b)

Overrides:

write in class OutputStream

write

public abstract void write(byte[] b,
                           int off,
                           int len)

Overrides:

write in class OutputStream

flush

public void flush()

Specified by:

flush in interface Flushable

Overrides:

flush in class OutputStream

close

public abstract void close()

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Overrides:

close in class OutputStream