PacketSentTimeHolder (MySQL Connector/J Bug Fixed 8.0.20 API)

所有已知实现类:

SyncMessageSender, TimeTrackingPacketSender
```
public interface PacketSentTimeHolder
```
Holds the time the last packet was sent.

方法概要

所有方法实例方法默认方法
修饰符和类型	方法	说明
`default long`	`getLastPacketSentTime()`	Returns the send time of a very recent packet.
`default long`	`getPreviousPacketSentTime()`	Returns the send time of a previous packet.

- 方法详细资料
  - getLastPacketSentTime
```
default long getLastPacketSentTime()
```
    Returns the send time of a very recent packet. Should be used in exception generation when the send operation failed.
    
    返回:
    
    very recent packet send time
  - getPreviousPacketSentTime
```
default long getPreviousPacketSentTime()
```
    Returns the send time of a previous packet. Should be used in exception generation when the send operation was successful but the following read operation failed.
    
    返回:
    
    previous packet send time