com.marketfactory.zerogc.api

Class PingHandlerImpl

java.lang.Object

com.marketfactory.zerogc.api.PingHandlerImpl

All Implemented Interfaces:

PingHandler

public final class PingHandlerImpl
extends java.lang.Object
implements PingHandler

Companion class for the MFMarketMaker, MFClient classes Takes care of the ClientServer ping status The client will send a ping to the server periodically if needed. The ping has a monotonically increasing sequence number. The server responds with a ImHereMessage (pong message) that has the same sequence number the client sent in the ping message.

Field Summary

Fields inherited from interface com.marketfactory.zerogc.api.PingHandler

MAX_PING_TIME_COUNT

Constructor Summary

Constructors

Constructor and Description
PingHandlerImpl()

Method Summary

Modifier and Type	Method and Description
com.marketfactory.zerogc.api.RuThereMessage	createPingMessageIfNeeded()
void	disable()
void	enable()
java.util.List<PingTime>	getLastPingTimes() Returns the newest PingHandler.MAX_PING_TIME_COUNT entries collected since the last call of this method.
void	resynchronize()
void	updateWith(com.marketfactory.zerogc.api.ImHereMessage incomingPing)

Methods inherited from class java.lang.Object

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

Constructor Detail

PingHandlerImpl

public PingHandlerImpl()

Method Detail

updateWith

public void updateWith(com.marketfactory.zerogc.api.ImHereMessage incomingPing)

Specified by:

updateWith in interface PingHandler

disable

public void disable()

Specified by:

disable in interface PingHandler

enable

public void enable()

Specified by:

enable in interface PingHandler

createPingMessageIfNeeded

public com.marketfactory.zerogc.api.RuThereMessage createPingMessageIfNeeded()

Specified by:

createPingMessageIfNeeded in interface PingHandler

resynchronize

public void resynchronize()

Specified by:

resynchronize in interface PingHandler

getLastPingTimes

public java.util.List<PingTime> getLastPingTimes()

Description copied from interface: PingHandler

Returns the newest PingHandler.MAX_PING_TIME_COUNT entries collected since the last call of this method. This method is zero-gc. The returned list and the contained PingTimes are reused. This means you cannot hold a reference to any of these objects.

This call is thread-safe.
The list of PingTimes will have the oldest value at index 0.
The returned list is immutable.

Specified by:

getLastPingTimes in interface PingHandler

Returns:

received PingTime objects in order of oldest to most recent