org.apache.zookeeper.client

Class StaticHostProvider

java.lang.Object

org.apache.zookeeper.client.StaticHostProvider

All Implemented Interfaces:

HostProvider

public final class StaticHostProvider
extends Object
implements HostProvider

Most simple HostProvider, resolves only on instantiation.

Constructor Summary

Constructors

Constructor and Description
StaticHostProvider(Collection<InetSocketAddress> serverAddresses) Constructs a SimpleHostSet.

Method Summary

Methods

Modifier and Type	Method and Description
InetSocketAddress	next(long spinDelay) The next host to try to connect to.
void	onConnected() Notify the HostProvider of a successful connection.
int	size()

Methods inherited from class java.lang.Object

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

Constructor Detail

StaticHostProvider

public StaticHostProvider(Collection<InetSocketAddress> serverAddresses)
                   throws UnknownHostException

Constructs a SimpleHostSet.

Parameters:

serverAddresses - possibly unresolved ZooKeeper server addresses

Throws:

UnknownHostException

IllegalArgumentException - if serverAddresses is empty or resolves to an empty list

Method Detail

size

public int size()

Specified by:

size in interface HostProvider

next

public InetSocketAddress next(long spinDelay)

Description copied from interface: HostProvider

The next host to try to connect to. For a spinDelay of 0 there should be no wait.

Specified by:

next in interface HostProvider

Parameters:

spinDelay - Milliseconds to wait if all hosts have been tried once.

onConnected

public void onConnected()

Description copied from interface: HostProvider

Notify the HostProvider of a successful connection. The HostProvider may use this notification to reset it's inner state.

Specified by:

onConnected in interface HostProvider