com.allanbank.mongodb.connection.state

Class ServerLatencyCallback

java.lang.Object

com.allanbank.mongodb.connection.FutureCallback<Reply>

com.allanbank.mongodb.connection.state.ServerLatencyCallback

All Implemented Interfaces:

Callback<Reply>, Future<Reply>

public class ServerLatencyCallback
extends FutureCallback<Reply>

ServerLatencyCallback provides a special callback to measure the latency of requests to a server.

API Warning:

This class is NOT part of the drivers API. This class may be mutated in incompatible ways between any two releases of the driver.

Copyright ©:

2012, Allanbank Consulting, Inc., All Rights Reserved

Constructor Summary

Constructors

Constructor and Description
ServerLatencyCallback(ServerState server) Creates a new ServerLatencyCallback.

Method Summary

Methods

Modifier and Type	Method and Description
void	callback(Reply result) Called when the MongoDB operation has completed with the result of the operation.

Methods inherited from class com.allanbank.mongodb.connection.FutureCallback

cancel, exception, get, get, isCancelled, isDone

Methods inherited from class java.lang.Object

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

Constructor Detail

ServerLatencyCallback

public ServerLatencyCallback(ServerState server)

Creates a new ServerLatencyCallback.

Parameters:

server - The server we are tracking the latency for.

Method Detail

callback

public void callback(Reply result)

Called when the MongoDB operation has completed with the result of the operation.

Sets the value for the future and triggers any pending FutureCallback.get() to return.

Overridden to update the server's latency based on the round trip reply time.

Specified by:

callback in interface Callback<Reply>

Overrides:

callback in class FutureCallback<Reply>

Parameters:

result - The result of the operation.

See Also:

Callback.callback(V)