tryLockRessource-character-method: Manage File System Ressource Lock Status
In rappster/filesystr: Functionality for processing file system ressources

Description Usage Arguments Value Author(s) References See Also Examples

See generic: tryLockRessource

1
2
3

## S4 method for signature 'character'
tryLockRessource(path, try_limit = 100,
  strict = FALSE, ...)

`path`	`character`. File path.
`try_limit`	`numeric`. Limit for trying to lock ressource.
`strict`	`logical`. `TRUE`: when `try_limit` is reached, an error is thrown; `FALSE`: when `try_limit` is reached, method returns with `FALSE`.
`...`	Further arguments passed to subsequent functions/methods. In particular: `isRessourceLocked, lockRessource`.

logical. TRUE: lock successful; FALSE: lock failed.

Janko Thyson janko.thyson@rappster.de

https://github.com/Rappster/filesystr

tryLockRessource

## Not run: 

## Example content //
path <- file.path(tempdir(), "test/registry.rdata")
file.create(path)
  
## File //
lockRessource(path = path)
tryLockRessource(path = path, try_limit = 3)
try(tryLockRessource(path = path, try_limit = 3, strict = TRUE))
unlockRessource(path = path)
tryLockRessource(path = path)
unlockRessource(path = path)

## Directory //
path <- dirname(path)
lockRessource(path = path)
tryLockRessource(path = path, try_limit = 3)
try(tryLockRessource(path = path, try_limit = 3, strict = TRUE))
unlockRessource(path = path)
tryLockRessource(path = path)
unlockRessource(path = path)

## Non-existing ressource //
expect_error(tryLockRessource(path = "abcd", strict = TRUE))


## End(Not run)