forkjoinpool_completablefuture_forkjoinpool源码分析(3)

Runnable and Callable objects themselves.

The invokeAll() method of the ForkJoinTask class is one of the main differences

between the Executor and the Fork/Join framework. In the Executor framework, all the tasks

have to be sent to the executor, while in this case, the tasks include methods to execute and

control the tasks inside the pool. You have used the invokeAll() method in the Task class,

that extends the RecursiveAction class that extends the ForkJoinTask class.

You have sent a unique task to the pool to update all the list of products using the execute()

method. In this case, it's an asynchronous call, and the main thread continues its execution.

You have used some methods of the ForkJoinPool class to check the status and the

evolution of the tasks that are running. The class includes more methods that can be useful

for this purpose. See the Monitoring a Fork/Join pool recipe for a complete list of

those methods.

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