public override System.IO.FileInfo[] SelectFiles(Bamboo.Prevalence.PrevalenceEngine engine)
{
FileInfo[] unnecessary = GetUnnecessaryPrevalenceFiles(engine);
int index = FindFirstFileOlderThanPeriod(unnecessary);
if (index > 0)
{
return GetFileInfoRange(unnecessary, 0, index+1);
}
return NullCleanUpPolicy.EmptyFileInfoArray;
}