FIFOSchedulableBuilder - SchedulableBuilder for FIFO Scheduling Mode
FIFOSchedulableBuilder is a SchedulableBuilder that is a mere wrapper around a single Pool (the only constructor parameter).
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Note
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FIFOSchedulableBuilder is the default SchedulableBuilder for TaskSchedulerImpl (see Creating TaskSchedulerImpl).
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Note
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When FIFOSchedulableBuilder is created, the TaskSchedulerImpl passes its own rootPool (that belongs to the TaskScheduler Contract that TaskSchedulerImpl follows).
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FIFOSchedulableBuilder obeys the SchedulableBuilder Contract as follows:
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buildPools does nothing.
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addTaskSetManagerpasses the inputSchedulableto the one and only rootPool Pool (usingaddSchedulable) and completely disregards the properties of the Schedulable.