one.nio.cluster

Class WeightCluster<T extends ServiceProvider>

java.lang.Object

one.nio.cluster.WeightCluster<T>

All Implemented Interfaces:

Cluster<T>

Direct Known Subclasses:

HttpCluster

public class WeightCluster<T extends ServiceProvider>
extends Object
implements Cluster<T>

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	WeightCluster.MonitoringTask
class	WeightCluster.ProviderSelector

Field Summary

Fields

Modifier and Type	Field and Description
protected static org.apache.commons.logging.Log	log
protected long	monitorTimeout
protected Timer	monitorTimer
protected HashMap<T,Integer>	providers
protected WeightCluster.ProviderSelector	providerSelector

Constructor Summary

Constructors

Constructor and Description
WeightCluster()

Method Summary

Modifier and Type	Method and Description
void	addProvider(T provider, int weight)
void	addProviders(Map<T,Integer> newProviders)
void	close()
void	disableProvider(T provider)
void	enableProvider(T provider)
long	getMonitorTimeout()
T	getProvider()
Integer	getWeight(T provider)
protected void	rebuildProviderSelector()
void	removeProvider(T provider)
void	removeProviders(Collection<T> oldProviders)
List<T>	replaceProviders(Map<T,Integer> newProviders)
void	setMonitorTimeout(long monitorTimeout)

Methods inherited from class java.lang.Object

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

Field Detail

log

protected static final org.apache.commons.logging.Log log

providers

protected final HashMap<T extends ServiceProvider,Integer> providers

monitorTimer

protected Timer monitorTimer

monitorTimeout

protected long monitorTimeout

providerSelector

protected volatile WeightCluster.ProviderSelector providerSelector

Constructor Detail

WeightCluster

public WeightCluster()

Method Detail

close

public void close()

getMonitorTimeout

public long getMonitorTimeout()

setMonitorTimeout

public void setMonitorTimeout(long monitorTimeout)

getProvider

public T getProvider()
              throws ServiceUnavailableException

Specified by:

getProvider in interface Cluster<T extends ServiceProvider>

Throws:

ServiceUnavailableException

enableProvider

public void enableProvider(T provider)

Specified by:

enableProvider in interface Cluster<T extends ServiceProvider>

disableProvider

public void disableProvider(T provider)

Specified by:

disableProvider in interface Cluster<T extends ServiceProvider>

addProvider

public void addProvider(T provider,
                        int weight)

addProviders

public void addProviders(Map<T,Integer> newProviders)

removeProvider

public void removeProvider(T provider)

removeProviders

public void removeProviders(Collection<T> oldProviders)

replaceProviders

public List<T> replaceProviders(Map<T,Integer> newProviders)

getWeight

public Integer getWeight(T provider)

rebuildProviderSelector

protected void rebuildProviderSelector()