线程池的拒绝策略

参考来源

• 线程池ThreadPoolExecutor
• Caller run到底什么意思
• 如何Semphone对线程池限流
• How to make ThreadPoolExecutor's submit() method block if it is saturated?

线程池的抛弃策略

• AbortPolicy
• CallerRunsPolicy
• DiscardPolicy
• DiscardOldestPolicy