Sets the policy on whether to continue executing existing
periodic tasks even when this executor has been {@code shutdown}.
In this case, executions will continue until {@code shutdownNow}
or the policy is set to {@code false} when already shutdown.
This value is by default {@code false}.
@param value if {@code true}, continue after shutdown, else don't
@see #getContinueExistingPeriodicTasksAfterShutdownPolicy
Sets the policy on whether to continue executing existing periodic tasks even when this executor has been {@code shutdown}. In this case, executions will continue until {@code shutdownNow} or the policy is set to {@code false} when already shutdown. This value is by default {@code false}.
@param value if {@code true}, continue after shutdown, else don't @see #getContinueExistingPeriodicTasksAfterShutdownPolicy