com.caucho.cloud.loadbalance

Class AbstractLoadBalanceStrategy

java.lang.Object

com.caucho.cloud.loadbalance.AbstractLoadBalanceStrategy

Direct Known Subclasses:

LeastConnectionBalanceStrategy, RoundRobinBalanceStrategy

public abstract class AbstractLoadBalanceStrategy
extends java.lang.Object

Strategy for selecting the next server

Field Summary

Fields

Modifier and Type	Field and Description
protected static java.util.logging.Logger	log

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractLoadBalanceStrategy(LoadBalanceClientGroup clientGroup)

Method Summary

Modifier and Type	Method and Description
protected ClientSocketFactory[]	getClientList()
protected int	nextRoundRobin() Returns the index of the next round-robin server.
protected ClientSocket	openBestServer(int startIndex, ClientSocketFactory oldClient) Opens the best load balance server.
ClientSocket	openServer(ClientSocketFactory oldClient) Opens the next available server.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

log

protected static final java.util.logging.Logger log

Constructor Detail

AbstractLoadBalanceStrategy

protected AbstractLoadBalanceStrategy(LoadBalanceClientGroup clientGroup)

Method Detail

getClientList

protected ClientSocketFactory[] getClientList()

openServer

public final ClientSocket openServer(ClientSocketFactory oldClient)

Opens the next available server.

Parameters:

oldClient - on failover, the client which failed with 503

Returns:

the next available server

openBestServer

protected ClientSocket openBestServer(int startIndex,
                                      ClientSocketFactory 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.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object