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java Programming Glossary: invokeallJava executors: wait for task termination. http://stackoverflow.com/questions/1322147/java-executors-wait-for-task-termination Callable populate tasks for Future f executorService.invokeAll tasks invokeAll blocks until ALL tasks submitted to executor.. tasks for Future f executorService.invokeAll tasks invokeAll blocks until ALL tasks submitted to executor complete f.get..
Return values from Java Threads http://stackoverflow.com/questions/2314402/return-values-from-java-threads results before doing the database update you can use the invokeAll method. This takes care of the bookkeeping that would be required.. public User call throws Exception return svc.getUser id invokeAll blocks until all service requests complete or a max of 10 seconds... or a max of 10 seconds. List Future User results workers.invokeAll tasks 10 TimeUnit.SECONDS for Future User f results User user..
ExecutorService, how to wait for all tasks to finish http://stackoverflow.com/questions/3269445/executorservice-how-to-wait-for-all-tasks-to-finish question The simplest approach is to use ExecutorService.invokeAll which does what you want in a one liner. In your parlance you'll.. new ComputeDTask singleTable List Future Object es.invokeAll todo As others have pointed out you could use the timeout version.. have pointed out you could use the timeout version of invokeAll if appropriate. In this example answers is going to contain..
http://stackoverflow.com/questions/4010185/parallel-for-for-java final Iterable T elements final Operation T operation try invokeAll blocks for us until all submitted tasks in the call complete.. us until all submitted tasks in the call complete forPool.invokeAll createCallables elements operation catch InterruptedException..
ForkJoinPool seems to waste a thread http://stackoverflow.com/questions/9677506/forkjoinpool-seems-to-waste-a-thread service. I toss a pile of tasks into ExecutorService.invokeAll . I get better performance than from an ordinary fixed thread.. Literally I do ExecutorService es new ForkJoinPool 4 es.invokeAll collection_of_Callables In 'mode 2' I submit a single task to.. single task to the pool and in that task call ForkJoinTask.invokeAll to submit the subtasks. So I have an object that inherits from..
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