Package com.mongodb.reactivestreams.client.gridfs

Interface GridFSBucket

@ThreadSafe
public interface GridFSBucket

Represents a GridFS Bucket

Since:

1.3

Method Summary

Modifier and Type	Method	Description
Publisher<Void>	delete(ClientSession clientSession, BsonValue id)	Given a id, delete this stored file's files collection document and associated chunks from a GridFS bucket.
Publisher<Void>	delete(ClientSession clientSession, ObjectId id)	Given a id, delete this stored file's files collection document and associated chunks from a GridFS bucket.
Publisher<Void>	delete(BsonValue id)	Given a id, delete this stored file's files collection document and associated chunks from a GridFS bucket.
Publisher<Void>	delete(ObjectId id)	Given a id, delete this stored file's files collection document and associated chunks from a GridFS bucket.
GridFSDownloadPublisher	downloadToPublisher(ClientSession clientSession, String filename)	Downloads the contents of the latest version of the stored file specified by filename into the Publisher.
GridFSDownloadPublisher	downloadToPublisher(ClientSession clientSession, String filename, GridFSDownloadOptions options)	Downloads the contents of the stored file specified by filename and by the revision in options into the Publisher.
GridFSDownloadPublisher	downloadToPublisher(ClientSession clientSession, BsonValue id)	Downloads the contents of the stored file specified by id into the Publisher.
GridFSDownloadPublisher	downloadToPublisher(ClientSession clientSession, ObjectId id)	Downloads the contents of the stored file specified by id into the Publisher.
GridFSDownloadPublisher	downloadToPublisher(String filename)	Downloads the contents of the stored file specified by filename into the Publisher.
GridFSDownloadPublisher	downloadToPublisher(String filename, GridFSDownloadOptions options)	Downloads the contents of the stored file specified by filename and by the revision in options into the Publisher.
GridFSDownloadPublisher	downloadToPublisher(BsonValue id)	Downloads the contents of the stored file specified by id into the Publisher.
GridFSDownloadPublisher	downloadToPublisher(ObjectId id)	Downloads the contents of the stored file specified by id into the Publisher.
Publisher<Void>	drop()	Drops the data associated with this bucket from the database.
Publisher<Void>	drop(ClientSession clientSession)	Drops the data associated with this bucket from the database.
GridFSFindPublisher	find()	Finds all documents in the files collection.
GridFSFindPublisher	find(ClientSession clientSession)	Finds all documents in the files collection.
GridFSFindPublisher	find(ClientSession clientSession, Bson filter)	Finds all documents in the collection that match the filter.
GridFSFindPublisher	find(Bson filter)	Finds all documents in the collection that match the filter.
String	getBucketName()	The bucket name.
int	getChunkSizeBytes()	Sets the chunk size in bytes.
ReadConcern	getReadConcern()	Get the read concern for the GridFSBucket.
ReadPreference	getReadPreference()	Get the read preference for the GridFSBucket.
WriteConcern	getWriteConcern()	Get the write concern for the GridFSBucket.
Publisher<Void>	rename(ClientSession clientSession, BsonValue id, String newFilename)	Renames the stored file with the specified id.
Publisher<Void>	rename(ClientSession clientSession, ObjectId id, String newFilename)	Renames the stored file with the specified id.
Publisher<Void>	rename(BsonValue id, String newFilename)	Renames the stored file with the specified id.
Publisher<Void>	rename(ObjectId id, String newFilename)	Renames the stored file with the specified id.
GridFSUploadPublisher<ObjectId>	uploadFromPublisher(ClientSession clientSession, String filename, Publisher<ByteBuffer> source)	Uploads the contents of the given Publisher to a GridFS bucket.
GridFSUploadPublisher<ObjectId>	uploadFromPublisher(ClientSession clientSession, String filename, Publisher<ByteBuffer> source, GridFSUploadOptions options)	Uploads the contents of the given Publisher to a GridFS bucket.
GridFSUploadPublisher<Void>	uploadFromPublisher(ClientSession clientSession, BsonValue id, String filename, Publisher<ByteBuffer> source)	Uploads the contents of the given Publisher to a GridFS bucket.
GridFSUploadPublisher<Void>	uploadFromPublisher(ClientSession clientSession, BsonValue id, String filename, Publisher<ByteBuffer> source, GridFSUploadOptions options)	Uploads the contents of the given Publisher to a GridFS bucket.
GridFSUploadPublisher<ObjectId>	uploadFromPublisher(String filename, Publisher<ByteBuffer> source)	Uploads the contents of the given Publisher to a GridFS bucket.
GridFSUploadPublisher<ObjectId>	uploadFromPublisher(String filename, Publisher<ByteBuffer> source, GridFSUploadOptions options)	Uploads the contents of the given Publisher to a GridFS bucket.
GridFSUploadPublisher<Void>	uploadFromPublisher(BsonValue id, String filename, Publisher<ByteBuffer> source)	Uploads the contents of the given Publisher to a GridFS bucket.
GridFSUploadPublisher<Void>	uploadFromPublisher(BsonValue id, String filename, Publisher<ByteBuffer> source, GridFSUploadOptions options)	Uploads the contents of the given Publisher to a GridFS bucket.
GridFSBucket	withChunkSizeBytes(int chunkSizeBytes)	Create a new GridFSBucket instance with a new chunk size in bytes.
GridFSBucket	withReadConcern(ReadConcern readConcern)	Create a new MongoDatabase instance with a different read concern.
GridFSBucket	withReadPreference(ReadPreference readPreference)	Create a new GridFSBucket instance with a different read preference.
GridFSBucket	withWriteConcern(WriteConcern writeConcern)	Create a new GridFSBucket instance with a different write concern.

Method Detail

getBucketName

String getBucketName()

The bucket name.

Returns:

the bucket name

getChunkSizeBytes

int getChunkSizeBytes()

Sets the chunk size in bytes. Defaults to 255.

Returns:

the chunk size in bytes.

getWriteConcern

WriteConcern getWriteConcern()

Get the write concern for the GridFSBucket.

Returns:

the WriteConcern

getReadPreference

ReadPreference getReadPreference()

Get the read preference for the GridFSBucket.

Returns:

the ReadPreference

getReadConcern

ReadConcern getReadConcern()

Get the read concern for the GridFSBucket.

Returns:

the ReadConcern

MongoDB documentation

Read Concern

Since server release

3.2

withChunkSizeBytes

GridFSBucket withChunkSizeBytes(int chunkSizeBytes)

Create a new GridFSBucket instance with a new chunk size in bytes.

Parameters:

chunkSizeBytes - the new chunk size in bytes.

Returns:

a new GridFSBucket instance with the different chunk size in bytes

withReadPreference

GridFSBucket withReadPreference(ReadPreference readPreference)

Create a new GridFSBucket instance with a different read preference.

Parameters:

readPreference - the new ReadPreference for the database

Returns:

a new GridFSBucket instance with the different readPreference

withWriteConcern

GridFSBucket withWriteConcern(WriteConcern writeConcern)

Create a new GridFSBucket instance with a different write concern.

Parameters:

writeConcern - the new WriteConcern for the database

Returns:

a new GridFSBucket instance with the different writeConcern

withReadConcern

GridFSBucket withReadConcern(ReadConcern readConcern)

Create a new MongoDatabase instance with a different read concern.

Parameters:

readConcern - the new ReadConcern for the database

Returns:

a new GridFSBucket instance with the different ReadConcern

MongoDB documentation

Read Concern

Since server release

3.2

uploadFromPublisher

GridFSUploadPublisher<ObjectId> uploadFromPublisher(String filename,
                                                    Publisher<ByteBuffer> source)

Uploads the contents of the given Publisher to a GridFS bucket.

Reads the contents of the user file from the source and uploads it as chunks in the chunks collection. After all the chunks have been uploaded, it creates a files collection document for filename in the files collection.

Parameters:

filename - the filename

source - the Publisher providing the file data

Returns:

a Publisher with a single element, the ObjectId of the uploaded file.

Since:

1.13

uploadFromPublisher

GridFSUploadPublisher<ObjectId> uploadFromPublisher(String filename,
                                                    Publisher<ByteBuffer> source,
                                                    GridFSUploadOptions options)

Uploads the contents of the given Publisher to a GridFS bucket.

Reads the contents of the user file from the source and uploads it as chunks in the chunks collection. After all the chunks have been uploaded, it creates a files collection document for filename in the files collection.

Parameters:

filename - the filename

source - the Publisher providing the file data

options - the GridFSUploadOptions

Returns:

a Publisher with a single element, the ObjectId of the uploaded file.

Since:

1.13

uploadFromPublisher

GridFSUploadPublisher<Void> uploadFromPublisher(BsonValue id,
                                                String filename,
                                                Publisher<ByteBuffer> source)

Uploads the contents of the given Publisher to a GridFS bucket.

Reads the contents of the user file from the source and uploads it as chunks in the chunks collection. After all the chunks have been uploaded, it creates a files collection document for filename in the files collection.

Parameters:

id - the custom id value of the file

filename - the filename

source - the Publisher providing the file data

Returns:

a Publisher with a single element, representing when the successful upload of the source.

Since:

1.13

uploadFromPublisher

GridFSUploadPublisher<Void> uploadFromPublisher(BsonValue id,
                                                String filename,
                                                Publisher<ByteBuffer> source,
                                                GridFSUploadOptions options)

Uploads the contents of the given Publisher to a GridFS bucket.

Reads the contents of the user file from the source and uploads it as chunks in the chunks collection. After all the chunks have been uploaded, it creates a files collection document for filename in the files collection.

Parameters:

id - the custom id value of the file

filename - the filename

source - the Publisher providing the file data

options - the GridFSUploadOptions

Returns:

a Publisher with a single element, representing when the successful upload of the source.

Since:

1.13

uploadFromPublisher

GridFSUploadPublisher<ObjectId> uploadFromPublisher(ClientSession clientSession,
                                                    String filename,
                                                    Publisher<ByteBuffer> source)

Uploads the contents of the given Publisher to a GridFS bucket.

Reads the contents of the user file from the source and uploads it as chunks in the chunks collection. After all the chunks have been uploaded, it creates a files collection document for filename in the files collection.

Parameters:

clientSession - the client session with which to associate this operation

filename - the filename

source - the Publisher providing the file data

Returns:

a Publisher with a single element, the ObjectId of the uploaded file.

Since:

1.13

Since server release

3.6

uploadFromPublisher

GridFSUploadPublisher<ObjectId> uploadFromPublisher(ClientSession clientSession,
                                                    String filename,
                                                    Publisher<ByteBuffer> source,
                                                    GridFSUploadOptions options)

Uploads the contents of the given Publisher to a GridFS bucket.

Reads the contents of the user file from the source and uploads it as chunks in the chunks collection. After all the chunks have been uploaded, it creates a files collection document for filename in the files collection.

Parameters:

clientSession - the client session with which to associate this operation

filename - the filename

source - the Publisher providing the file data

options - the GridFSUploadOptions

Returns:

a Publisher with a single element, the ObjectId of the uploaded file.

Since:

1.13

Since server release

3.6

uploadFromPublisher

GridFSUploadPublisher<Void> uploadFromPublisher(ClientSession clientSession,
                                                BsonValue id,
                                                String filename,
                                                Publisher<ByteBuffer> source)

Uploads the contents of the given Publisher to a GridFS bucket.

Reads the contents of the user file from the source and uploads it as chunks in the chunks collection. After all the chunks have been uploaded, it creates a files collection document for filename in the files collection.

Parameters:

clientSession - the client session with which to associate this operation

id - the custom id value of the file

filename - the filename

source - the Publisher providing the file data

Returns:

a Publisher with a single element, representing when the successful upload of the source.

Since:

1.13

Since server release

3.6

uploadFromPublisher

GridFSUploadPublisher<Void> uploadFromPublisher(ClientSession clientSession,
                                                BsonValue id,
                                                String filename,
                                                Publisher<ByteBuffer> source,
                                                GridFSUploadOptions options)

Uploads the contents of the given Publisher to a GridFS bucket.

Reads the contents of the user file from the source and uploads it as chunks in the chunks collection. After all the chunks have been uploaded, it creates a files collection document for filename in the files collection.

Parameters:

clientSession - the client session with which to associate this operation

id - the custom id value of the file

filename - the filename

source - the Publisher providing the file data

options - the GridFSUploadOptions

Returns:

a Publisher with a single element, representing when the successful upload of the source.

Since:

1.13

Since server release

3.6

downloadToPublisher

GridFSDownloadPublisher downloadToPublisher(ObjectId id)

Downloads the contents of the stored file specified by id into the Publisher.

Parameters:

id - the ObjectId of the file to be written to the destination Publisher

Returns:

a Publisher with a single element, representing the amount of data written

Since:

1.13

downloadToPublisher

GridFSDownloadPublisher downloadToPublisher(BsonValue id)

Downloads the contents of the stored file specified by id into the Publisher.

Parameters:

id - the custom id of the file, to be written to the destination Publisher

Returns:

a Publisher with a single element, representing the amount of data written

Since:

1.13

downloadToPublisher

GridFSDownloadPublisher downloadToPublisher(String filename)

Downloads the contents of the stored file specified by filename into the Publisher.

Parameters:

filename - the name of the file to be downloaded

Returns:

a Publisher with a single element, representing the amount of data written

Since:

1.13

downloadToPublisher

GridFSDownloadPublisher downloadToPublisher(String filename,
                                            GridFSDownloadOptions options)

Downloads the contents of the stored file specified by filename and by the revision in options into the Publisher.

Parameters:

filename - the name of the file to be downloaded

options - the download options

Returns:

a Publisher with a single element, representing the amount of data written

Since:

1.13

downloadToPublisher

GridFSDownloadPublisher downloadToPublisher(ClientSession clientSession,
                                            ObjectId id)

Downloads the contents of the stored file specified by id into the Publisher.

Parameters:

clientSession - the client session with which to associate this operation

id - the ObjectId of the file to be written to the destination Publisher

Returns:

a Publisher with a single element, representing the amount of data written

Since:

1.13

Since server release

3.6

downloadToPublisher

GridFSDownloadPublisher downloadToPublisher(ClientSession clientSession,
                                            BsonValue id)

Downloads the contents of the stored file specified by id into the Publisher.

Parameters:

clientSession - the client session with which to associate this operation

id - the custom id of the file, to be written to the destination Publisher

Returns:

a Publisher with a single element, representing the amount of data written

Since:

1.13

Since server release

3.6

downloadToPublisher

GridFSDownloadPublisher downloadToPublisher(ClientSession clientSession,
                                            String filename)

Downloads the contents of the latest version of the stored file specified by filename into the Publisher.

Parameters:

clientSession - the client session with which to associate this operation

filename - the name of the file to be downloaded

Returns:

a Publisher with a single element, representing the amount of data written

Since:

1.13

Since server release

3.6

downloadToPublisher

GridFSDownloadPublisher downloadToPublisher(ClientSession clientSession,
                                            String filename,
                                            GridFSDownloadOptions options)

Downloads the contents of the stored file specified by filename and by the revision in options into the Publisher.

Parameters:

clientSession - the client session with which to associate this operation

filename - the name of the file to be downloaded

options - the download options

Returns:

a Publisher with a single element, representing the amount of data written

Since:

1.13

Since server release

3.6

find

GridFSFindPublisher find()

Finds all documents in the files collection.

Returns:

the GridFS find iterable interface

MongoDB documentation

Find

find

GridFSFindPublisher find(Bson filter)

Finds all documents in the collection that match the filter.

Below is an example of filtering against the filename and some nested metadata that can also be stored along with the file data:

  
      Filters.and(Filters.eq("filename", "mongodb.png"), Filters.eq("metadata.contentType", "image/png"));
  
  

Parameters:

filter - the query filter

Returns:

the GridFS find iterable interface

See Also:

Filters

find

GridFSFindPublisher find(ClientSession clientSession)

Finds all documents in the files collection.

Parameters:

clientSession - the client session with which to associate this operation

Returns:

the GridFS find iterable interface

Since:

1.7

MongoDB documentation

Find

Since server release

3.6

find

GridFSFindPublisher find(ClientSession clientSession,
                         Bson filter)

Finds all documents in the collection that match the filter.

Below is an example of filtering against the filename and some nested metadata that can also be stored along with the file data:

  
      Filters.and(Filters.eq("filename", "mongodb.png"), Filters.eq("metadata.contentType", "image/png"));
  
  

Parameters:

clientSession - the client session with which to associate this operation

filter - the query filter

Returns:

the GridFS find iterable interface

Since:

1.7

See Also:

Filters

Since server release

3.6

delete

Publisher<Void> delete(ObjectId id)

Given a id, delete this stored file's files collection document and associated chunks from a GridFS bucket.

Parameters:

id - the ObjectId of the file to be deleted

Returns:

a publisher with a single element, representing that the file has been deleted

delete

Publisher<Void> delete(BsonValue id)

Given a id, delete this stored file's files collection document and associated chunks from a GridFS bucket.

Parameters:

id - the ObjectId of the file to be deleted

Returns:

a publisher with a single element, representing that the file has been deleted

delete

Publisher<Void> delete(ClientSession clientSession,
                       ObjectId id)

Given a id, delete this stored file's files collection document and associated chunks from a GridFS bucket.

Parameters:

clientSession - the client session with which to associate this operation

id - the ObjectId of the file to be deleted

Returns:

a publisher with a single element, representing that the file has been deleted

Since:

1.7

Since server release

3.6

delete

Publisher<Void> delete(ClientSession clientSession,
                       BsonValue id)

Given a id, delete this stored file's files collection document and associated chunks from a GridFS bucket.

Parameters:

clientSession - the client session with which to associate this operation

id - the ObjectId of the file to be deleted

Returns:

a publisher with a single element, representing that the file has been deleted

Since:

1.7

Since server release

3.6

rename

Publisher<Void> rename(ObjectId id,
                       String newFilename)

Renames the stored file with the specified id.

Parameters:

id - the id of the file in the files collection to rename

newFilename - the new filename for the file

Returns:

a publisher with a single element, representing that the file has been renamed

rename

Publisher<Void> rename(BsonValue id,
                       String newFilename)

Renames the stored file with the specified id.

Parameters:

id - the id of the file in the files collection to rename

newFilename - the new filename for the file

Returns:

a publisher with a single element, representing that the file has been renamed

rename

Publisher<Void> rename(ClientSession clientSession,
                       ObjectId id,
                       String newFilename)

Renames the stored file with the specified id.

Parameters:

clientSession - the client session with which to associate this operation

id - the id of the file in the files collection to rename

newFilename - the new filename for the file

Returns:

a publisher with a single element, representing that the file has been renamed

Since:

1.7

Since server release

3.6

rename

Publisher<Void> rename(ClientSession clientSession,
                       BsonValue id,
                       String newFilename)

Renames the stored file with the specified id.

Parameters:

clientSession - the client session with which to associate this operation

id - the id of the file in the files collection to rename

newFilename - the new filename for the file

Returns:

a publisher with a single element, representing that the file has been renamed

Since:

1.7

Since server release

3.6

drop

Publisher<Void> drop()

Drops the data associated with this bucket from the database.

Returns:

a publisher with a single element, representing that the collections have been dropped

drop

Publisher<Void> drop(ClientSession clientSession)

Drops the data associated with this bucket from the database.

Parameters:

clientSession - the client session with which to associate this operation

Returns:

a publisher with a single element, representing that the collections have been dropped

Since:

1.7

Since server release

3.6