apache MINA 源码级分析-[贰]

yinian

　　http://rrsy23.iteye.com/blog/422689
　　http://rrsy23.iteye.com/blog/422589
　　需要先看前面的2篇 才能理解在说什么!
　　通过分离业务与io处理的线程池 这样 业务的阻塞不会导致IO处理的阻塞
　　[16:24:14] INFO [org.apache.mina.transport.socket.nio.NioSocketAcceptor] - accept an client connection thread info-->NioSocketAcceptor-1 [16:24:14] INFO [org.apache.mina.filter.logging.LoggingFilter] - OPENEDThread info--> NioProcessor-1 nextFilter is class org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1 [16:24:15] INFO [org.apache.mina.example.echoserver.EchoProtocolHandler] - OPENED Thread info--> pool-3-thread-1 [16:24:15] INFO [org.apache.mina.transport.socket.nio.NioSocketAcceptor] - accept an client connection thread info-->NioSocketAcceptor-1 [16:24:15] INFO [org.apache.mina.filter.logging.LoggingFilter] - OPENEDThread info--> NioProcessor-2 nextFilter is class org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1 [16:24:16] INFO [org.apache.mina.transport.socket.nio.NioSocketAcceptor] - accept an client connection thread info-->NioSocketAcceptor-1 [16:24:16] INFO [org.apache.mina.filter.logging.LoggingFilter] - OPENEDThread info--> NioProcessor-3 nextFilter is class org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1 [16:24:17] INFO [org.apache.mina.transport.socket.nio.NioSocketAcceptor] - accept an client connection thread info-->NioSocketAcceptor-1 [16:24:17] INFO [org.apache.mina.filter.logging.LoggingFilter] - OPENEDThread info--> NioProcessor-1 nextFilter is class org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1 [16:24:35] INFO [org.apache.mina.example.echoserver.EchoProtocolHandler] - --sleeping wake up 20 seconds---
　　从日志可以看出 现在 accept  ioprocess iohandler各自自己的线程池 这样才 真的异步
　　chain.addLast("threadPool", new ExecutorFilter(Executors.newSingleThreadExecutor()));
　　
　　关键所在 不加则2,3车间公用一个线程池
　　
　　实践不可能单线 一般
　　chain.addLast("threadPool", new ExecutorFilter(Executors.newCachedThreadPool()));
　　用什么线程池 自己实际考虑