org.apache.slider.server.appmaster.web.rest.application.resources

Class LiveStatisticsRefresher

java.lang.Object

org.apache.slider.server.appmaster.web.rest.application.resources.LiveStatisticsRefresher

All Implemented Interfaces:

ResourceRefresher<Map<String,Integer>>

public class LiveStatisticsRefresher
extends Object
implements ResourceRefresher<Map<String,Integer>>

Constructor Summary

Constructors

Constructor and Description
LiveStatisticsRefresher(StateAccessForProviders state)

Method Summary

Methods

Modifier and Type	Method and Description
Map<String,Integer>	refresh() Build an up to date version of the data

Methods inherited from class java.lang.Object

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

Constructor Detail

LiveStatisticsRefresher

public LiveStatisticsRefresher(StateAccessForProviders state)

Method Detail

refresh

public Map<String,Integer> refresh()
                            throws Exception

Description copied from interface: ResourceRefresher

Build an up to date version of the data

Specified by:

refresh in interface ResourceRefresher<Map<String,Integer>>

Returns:

a new instance of the (JSON serializable) data

Throws:

Exception