Constructor
new FileHandler(gpuDBopt)
Creates a FileHandler object
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
gpuDB |
Object |
<optional> |
GPUdb API object that provides access to GPUdb server functions. |
Methods
download(filenames, options) → {Promise}
Downloads the list of files from KIFS to local filesystem.
Parameters:
| Name | Type | Description |
|---|---|---|
filenames |
Array | Filepaths for KIFS files to be downloaded. |
options |
Map | Download options. A placeholder for future options. |
Returns:
A promise that will be fulfilled with object,
if no callback function is provided. Returns
an array containing base64 file data.
- Type
- Promise
upload(filenames, destination, options, progress_callback, callback) → {Promise}
Uploads the list of files from local filesystem to KIFS.
Parameters:
| Name | Type | Description |
|---|---|---|
filenames |
Object | Files to be uploaded. Can be a single string or multiple strings containing the full path of the files, or file objects (single or multiple) containing the file data. |
destination |
String | Destination kifs path |
options |
Map | Upload options. A placeholder for future options. |
progress_callback |
function | Optional callback that receives one arg which is the upload progress as a percentage of 100. Only called for multi part uploads. |
callback |
function | callback function which is called after the file upload operation is completed to indicate the completion to the caller of this function. |
Returns:
A promise that will be fulfilled with true for success
and false for failure (if no callback function is
provided).
- Type
- Promise
upload_multipart(file, destination, chunk_size, options, progress_callback, callback) → {Promise}
Uploads the list of files from local filesystem to KIFS.
Parameters:
| Name | Type | Description |
|---|---|---|
file |
Object | File to be uploaded. Can be a single file object containing the file data. |
destination |
String | Destination kifs |
chunk_size |
number | Size of each chunk |
options |
Map | Upload options A placeholder for future options. Currently unused. |
progress_callback |
function | Optional callback that receives one arg which is the upload progress as a percentage of 100. |
callback |
function | Optional callback function that receives one argument which is the uuid of the current file upload operation. |
Returns:
A promise that will be fulfilled with true for success
and false for failure.
- Type
- Promise