If only 1 timer may ever be active at the same time, there are a couple of solutions. First of all the @Timer should probably be present on an @Singleton. In a Singleton methods are by default write-locked, so the container will automatically be locked-out when trying to invoke the timer method while there’s still … Read more
If you look at the documentation, there is a note that explicitly calls out this phenomenon. The note is under section 25.5.1 at this link, and reads: Make sure that you are not initializing multiple instances of the same @Scheduled annotation class at runtime, unless you do want to schedule callbacks to each such instance. … Read more
The built-in solution to this in discord.py is to use the discord.ext.tasks extension. This lets you register a task to be called repeatedly at a specific interval. When the bots start, we’ll delay the start of the loop until the target time, then run the task every 24 hours: import asyncio from discord.ext import commands, … Read more
Advantage of ScheduledExecutorService over Timer I wish to offer you an alternative to Timer using – ScheduledThreadPoolExecutor, an implementation of the ScheduledExecutorService interface. It has some advantages over the Timer class, according to “Java in Concurrency”: A Timer creates only a single thread for executing timer tasks. If a timer task takes too long to … Read more
Actually under Windows you do not even have to create a batch file first to use the Scheduler. Open the scheduler: START -> All Programs -> Accesories -> System Tools -> Scheduler Create a new Task under tab Action, create a new action choose Start Program browse to Rscript.exe which should be placed e.g. here: … Read more