JDK-6878283 : (fs) Path.moveTo option that prevents the operation copying the file
  • Type: Enhancement
  • Component: core-libs
  • Sub-Component: java.nio
  • Priority: P4
  • Status: Open
  • Resolution: Unresolved
  • OS: generic
  • CPU: generic
  • Submitted: 2009-09-02
  • Updated: 2018-09-11
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Other
tbdUnresolved
Description
Currently the moveTo method provides for two simple usages:

  source.moveTo(target) 

  source.moveTo(target, REPLACE_EXISTING)

and one advanced usage:

  source.moveTo(target, ATOMIC_MOVE)

The simple usages are allowed to implement the move as a copy+delete so that they can move the file to another volume/file-system. The advanced case is required to be atomic but cannot provide a guarantee that it won't override an existing file.

This RFE is submitted to consider the case where an application wants to rename a file and have it fail if the target is on another volume/file-system -- ie: something like:

	source.moveTo(target, NOCOPY_ALLOWED)
Comments
WORK AROUND if (target.notExists()) source.moveTo(target, ATOMIC_MOVE);
02-09-2009