Package org.qubership.atp.dataset.db

Class GridFsRepositoryImpl

java.lang.Object

org.qubership.atp.dataset.db.GridFsRepositoryImpl

All Implemented Interfaces:

GridFsRepository

public class GridFsRepositoryImpl
extends Object
implements GridFsRepository

Constructor Summary

Constructors

Constructor	Description
GridFsRepositoryImpl(com.mongodb.client.gridfs.GridFSBucket gridFsBucket)

Method Summary

Modifier and Type	Method	Description
void	dropLocalThreadCache()
Optional<InputStream>	get(UUID parameterUuid)	Get file from GridFs as Optional of InputStream In case file not found, return Optional.empty().
Map<UUID,Optional<InputStream>>	getAll(List<UUID> parametersUuids)	Get files from GridFs as Map of Optional input stream mapped to UUID.
Optional<FileData>	getFileInfo(UUID parameterUuid)	Returns metadata of File in storage.
Optional<com.mongodb.client.gridfs.model.GridFSFile>	getGridFsFile(UUID attachmentUuid)	Get GridFS file.
void	onDeleteCascade(List<UUID> parameters)
void	remove(UUID attachmentUuid)	Remove attachment.
void	save(FileData fileData, InputStream fileInputStream)	Method saves file to gridfs.

Methods inherited from class java.lang.Object

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

Constructor Details

GridFsRepositoryImpl

@Autowired
public GridFsRepositoryImpl(com.mongodb.client.gridfs.GridFSBucket gridFsBucket)

Method Details

remove

public void remove(UUID attachmentUuid)

Remove attachment.

Specified by:

remove in interface GridFsRepository

Parameters:

attachmentUuid - for delete.

getGridFsFile

public Optional<com.mongodb.client.gridfs.model.GridFSFile> getGridFsFile(UUID attachmentUuid)

Get GridFS file.

Specified by:

getGridFsFile in interface GridFsRepository

save

public void save(FileData fileData,
 InputStream fileInputStream)

Method saves file to gridfs. Overrides file, if it exist.

Specified by:

save in interface GridFsRepository

Parameters:

fileData - is FileData which contains meta information for file storage.

fileInputStream - file to save.

get

public Optional<InputStream> get(UUID parameterUuid)

Get file from GridFs as Optional of InputStream In case file not found, return Optional.empty().

Specified by:

get in interface GridFsRepository

Parameters:

parameterUuid - of Parameter

Returns:

file as Optional of InputStream

getAll

public Map<UUID,Optional<InputStream>> getAll(List<UUID> parametersUuids)

Get files from GridFs as Map of Optional input stream mapped to UUID.

Specified by:

getAll in interface GridFsRepository

Parameters:

parametersUuids - List uuids of Parameter

Returns:

files as Map of Optional input stream mapped to UUID

getFileInfo

public Optional<FileData> getFileInfo(UUID parameterUuid)

Returns metadata of File in storage. FileName, ParameterUUID, Type(text/binary), ContentType(html, sql, json,..).

Specified by:

getFileInfo in interface GridFsRepository

Parameters:

parameterUuid - UUID of Parameter

Returns:

an Optional.empty() in case file not found or metadata is empty.

onDeleteCascade

public void onDeleteCascade(List<UUID> parameters)

Specified by:

onDeleteCascade in interface GridFsRepository

dropLocalThreadCache

public void dropLocalThreadCache()

Specified by:

dropLocalThreadCache in interface GridFsRepository