Timer.请参阅: 说明
| 类 | 说明 | 
|---|---|
| IdleStateEvent | A user event triggered by  IdleStateHandlerwhen aChannelis idle. | 
| IdleStateHandler | Triggers an  IdleStateEventwhen aChannelhas not performed
 read, write, or both operation for a while. | 
| ReadTimeoutHandler | Raises a  ReadTimeoutExceptionwhen no data was read within a certain
 period of time. | 
| WriteTimeoutHandler | Raises a  WriteTimeoutExceptionwhen a write operation cannot finish in a certain period of time. | 
| 枚举 | 说明 | 
|---|---|
| IdleState | An  Enumthat represents the idle state of aChannel. | 
| 异常错误 | 说明 | 
|---|---|
| ReadTimeoutException | A  TimeoutExceptionraised byReadTimeoutHandlerwhen no data
 was read within a certain period of time. | 
| TimeoutException | A  TimeoutExceptionwhen no data was either read or written within a
 certain period of time. | 
| WriteTimeoutException | A  TimeoutExceptionraised byWriteTimeoutHandlerwhen a write operation
 cannot finish in a certain period of time. | 
Timer.