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I have an application where I need to check for a file which may be created dynamically during my execution, I will give up after some MAX time where the file has yet to show up. I wanted to know if there was a more efficient method in Java of checking for the file other than polling for it and then sleeping every X seconds? If not what would be the most efficient manner of doing this?
You currently have to poll the file system as you mentioned. Java 7 is supposed to have file system notifications, so this should get easier at some point.