com.caucho.servlets
Class LoadBalanceStrategy

java.lang.Object
  com.caucho.servlets.LoadBalanceStrategy

Direct Known Subclasses:

LeastConnectionBalanceStrategy, RoundRobinBalanceStrategy

public abstract class LoadBalanceStrategy
extends java.lang.Object

Strategy for selecting the next server

Field Summary

protected ServerConnector[]

_serverGroup

Constructor Summary

LoadBalanceStrategy()

Method Summary

protected int	nextRoundRobin() Returns the index of the next round-robin server.
protected ClusterStream	openBestServer(int startIndex, ServerConnector oldClient) Opens the best load balance server.
ClusterStream	openServer(ServerConnector oldClient) Opens the next available server.

Methods inherited from class java.lang.Object

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

Field Detail

_serverGroup

protected ServerConnector[] _serverGroup

Constructor Detail

LoadBalanceStrategy

public LoadBalanceStrategy()

Method Detail

openServer

public final ClusterStream openServer(ServerConnector oldClient)

Opens the next available server.

Parameters:

oldClient - on failover, the client which failed with 503

Returns:

the next available server

openBestServer

protected ClusterStream openBestServer(int startIndex,
                                       ServerConnector oldClient)

Opens the best load balance server.

Parameters:

oldClient - on failover, the client which failed with 503

nextRoundRobin

protected int nextRoundRobin()

Returns the index of the next round-robin server.