org.littleshoot.util
Class ConnectionMaintainerImpl<T,ServerT>

java.lang.Object
  org.littleshoot.util.ConnectionMaintainerImpl<T,ServerT>

Type Parameters:

T - The type of the object that identifies a server.

ServerT - The type of the object that represents a connection to a server.

All Implemented Interfaces:

ConnectionMaintainer<ServerT>

public final class ConnectionMaintainerImpl<T,ServerT>
extends Object
implements ConnectionMaintainer<ServerT>

An implementation of the connection maintainer interface.

Constructor Summary

ConnectionMaintainerImpl(ConnectionEstablisher<T,ServerT> establisher, CandidateProvider<T> candidateProvider, int minNumConnected)
Constructs a new connection maintainer.

Method Summary

Collection<ServerT>	getConnectedServers() Returns a collection of the servers that are currently connected.
Optional<ServerT>	getMostRecentlyActive() Returns the most recently active server.
void	start() Starts this maintainer.

Methods inherited from class java.lang.Object

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

Constructor Detail

ConnectionMaintainerImpl

public ConnectionMaintainerImpl(ConnectionEstablisher<T,ServerT> establisher,
                                CandidateProvider<T> candidateProvider,
                                int minNumConnected)

Constructs a new connection maintainer.

Parameters:

establisher - The object used to establish connections.

candidateProvider - The object that provides candidate servers with which to try establishing connections.

minNumConnected - The minimum number of connections to maintain.

Method Detail

start

public void start()

Description copied from interface: ConnectionMaintainer

Starts this maintainer.

Specified by:

start in interface ConnectionMaintainer<ServerT>

getMostRecentlyActive

public Optional<ServerT> getMostRecentlyActive()

Description copied from interface: ConnectionMaintainer

Returns the most recently active server.

Specified by:

getMostRecentlyActive in interface ConnectionMaintainer<ServerT>

Returns:

The most recently active server. If no server has been active yet, a None object is returned. Otherwise, a Some object with map entry of the most recently active server is returned. The type of the server is determined by the types used by the implementation. In the default implementation, the type of the server is determined by the ConnectionEstablisher that is used.

getConnectedServers

public Collection<ServerT> getConnectedServers()

Description copied from interface: ConnectionMaintainer

Returns a collection of the servers that are currently connected.

Specified by:

getConnectedServers in interface ConnectionMaintainer<ServerT>

Returns:

A collection of the servers that are currently connected. The type of these servers is determined by the types used by the implementation. In the default implementation, the type of the server is determined by the ConnectionEstablisher that is used.