Wait for Files
Description
Wait for files is a Process Entry in the File Management Plugin for Process Studio Processes. Wait for files Process Entry waits for a file. This process entry will sleep and periodically check whether the specified file exists. Once the file is available the flow will continue. The process entry can either wait indefinitely for the file or timeout after a certain time.
Configurations
No. | Field Name | Description |
---|---|---|
1 | Process Entry name | Specify a unique name for the process entry, on the workspace area. A process entry can be placed on the canvas several times; and each instance of the entry must have a unique name. |
2 | File name | The name and path of the file to wait for. |
3 | Maximum timeout | The maximum timeout in number of seconds, or 0 to wait indefinitely. This is the number seconds after which the flow will continue even if the file was not created. When the timeout is reached the "Success on timeout" option will determine whether the outgoing success or failure hop will be followed. |
4 | Check cycle time | The time in seconds between checking for the file. The file will be checked for in the start of the execution and then every "check cycle time" seconds until the maximum timeout is reached. A process can only be stopped every "check cycle time" as else the process entry step will be sleeping. A check cycle time of 30 or 60 seconds seems to be a good trade-off between the period until the file is detected and the required CPU usage. |
5 | Success on timeout | This option determines what to do when the "Maximum timeout" has been reached and the file has not been found. If enabled, the process entry will evaluate successfully, and the outgoing success hop will be followed. |
6 | File size check | When this is switched on, once the process entry detects the specified file, and will only continue if the file size hasn't changed the last check "cycle time seconds". This is useful in cases where a file is created in the final place, and another process is still writing to the file. (As a best practice, files should be written to a temporary location, and then moved when completed) |