com.mysql.cj.protocol.a

Class TimeTrackingPacketSender

java.lang.Object

com.mysql.cj.protocol.a.TimeTrackingPacketSender

All Implemented Interfaces:

MessageSender<NativePacketPayload>, PacketSentTimeHolder

public class TimeTrackingPacketSender
extends java.lang.Object
implements MessageSender<NativePacketPayload>, PacketSentTimeHolder

A MessageSender which tracks the last time a packet was sent.

Constructor Summary

Constructors

Constructor and Description
TimeTrackingPacketSender(MessageSender<NativePacketPayload> packetSender)

Method Summary

Modifier and Type	Method and Description
long	getLastPacketSentTime() Returns the send time of a very recent packet.
long	getPreviousPacketSentTime() Returns the send time of a previous packet.
void	send(byte[] packet, int packetLen, byte packetSequence) Synchronously send the message to server.
MessageSender<NativePacketPayload>	undecorate() Return the previous PacketSender instance from the decorators chain or the current PacketSender if it is the first entry in a chain.
MessageSender<NativePacketPayload>	undecorateAll() Return a PacketSender instance free of decorators.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.mysql.cj.protocol.MessageSender

send, send, setMaxAllowedPacket

Constructor Detail

TimeTrackingPacketSender

public TimeTrackingPacketSender(MessageSender<NativePacketPayload> packetSender)

Method Detail

send

public void send(byte[] packet,
                 int packetLen,
                 byte packetSequence)
          throws java.io.IOException

Description copied from interface: MessageSender

Synchronously send the message to server.

Specified by:

send in interface MessageSender<NativePacketPayload>

Parameters:

packet - byte array containing a message

packetLen - length of the message

packetSequence - message sequence index (used in a native protocol)

Throws:

java.io.IOException - if an error occurs

getLastPacketSentTime

public long getLastPacketSentTime()

Description copied from interface: PacketSentTimeHolder

Returns the send time of a very recent packet. Should be used in exception generation when the send operation failed.

Specified by:

getLastPacketSentTime in interface PacketSentTimeHolder

Returns:

very recent packet send time

getPreviousPacketSentTime

public long getPreviousPacketSentTime()

Description copied from interface: PacketSentTimeHolder

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.

Specified by:

getPreviousPacketSentTime in interface PacketSentTimeHolder

Returns:

previous packet send time

undecorateAll

public MessageSender<NativePacketPayload> undecorateAll()

Description copied from interface: MessageSender

Return a PacketSender instance free of decorators.

Specified by:

undecorateAll in interface MessageSender<NativePacketPayload>

Returns:

MessageSender instance

undecorate

public MessageSender<NativePacketPayload> undecorate()

Description copied from interface: MessageSender

Return the previous PacketSender instance from the decorators chain or the current PacketSender if it is the first entry in a chain.

Specified by:

undecorate in interface MessageSender<NativePacketPayload>

Returns:

MessageSender instance