Package com.yahoo.config.subscription.impl

Class ConfigSetSubscription<T extends com.yahoo.config.ConfigInstance>

java.lang.Object

com.yahoo.config.subscription.impl.ConfigSubscription<T>

com.yahoo.config.subscription.impl.ConfigSetSubscription<T>

public class ConfigSetSubscription<T extends com.yahoo.config.ConfigInstance>
extends ConfigSubscription<T>

Subscription on a programmatically built set of configs

Author:

Vegard Havdal

Nested Class Summary

Nested classes/interfaces inherited from class com.yahoo.config.subscription.impl.ConfigSubscription

ConfigSubscription.ConfigState<T extends com.yahoo.config.ConfigInstance>

Field Summary

Fields inherited from class com.yahoo.config.subscription.impl.ConfigSubscription

configClass, key, log, subscriber

Method Summary

Modifier and Type	Method	Description
boolean	nextConfig(long timeout)	Polls this subscription for a change.
boolean	subscribe(long timeout)	Will block until the next ConfigSubscription.nextConfig(long) is guaranteed to return an answer (or throw) immediately (i.e.

Methods inherited from class com.yahoo.config.subscription.impl.ConfigSubscription

checkReloaded, close, equals, get, getConfigClass, getConfigState, getDefContent, getException, getKey, isConfigChangedAndReset, reload, setConfigIfChanged, setConfigIncGen, setException, toString

Methods inherited from class java.lang.Object

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

Method Detail

nextConfig

public boolean nextConfig(long timeout)

Description copied from class: ConfigSubscription

Polls this subscription for a change. The method is guaranteed to use all of the given timeout before returning false. It will also take into account a user-set generation, that can be set by ConfigSubscriber.reload(long).

Specified by:

nextConfig in class ConfigSubscription<T extends com.yahoo.config.ConfigInstance>

Parameters:

timeout - in milliseconds

Returns:

false if timed out, true if generation or config or ConfigSubscription.exception changed. If true, the ConfigSubscription.config field will be set also. has changed

subscribe

public boolean subscribe(long timeout)

Description copied from class: ConfigSubscription

Will block until the next ConfigSubscription.nextConfig(long) is guaranteed to return an answer (or throw) immediately (i.e. not block)

Specified by:

subscribe in class ConfigSubscription<T extends com.yahoo.config.ConfigInstance>

Parameters:

timeout - in milliseconds

Returns:

false if timed out