org.nd4j.parameterserver.status.play

Class MapDbStatusStorage

java.lang.Object

org.nd4j.parameterserver.status.play.BaseStatusStorage

org.nd4j.parameterserver.status.play.MapDbStatusStorage

All Implemented Interfaces:

StatusStorage

public class MapDbStatusStorage
extends BaseStatusStorage

MapDB status storage

Author:

Adam Gibson

Field Summary

Fields inherited from class org.nd4j.parameterserver.status.play.BaseStatusStorage

statusStorageMap, updated

Constructor Summary

Constructors

Constructor and Description
MapDbStatusStorage()
MapDbStatusStorage(long heartBeatEjectionMilliSeconds, long checkInterval)

Method Summary

Modifier and Type	Method and Description
Map<Integer,org.nd4j.parameterserver.model.SubscriberState>	createMap() Create the storage map
Map<Integer,Long>	createUpdatedMap() Create the storage map
org.nd4j.parameterserver.model.SubscriberState	getState(int id) Get the state given an id.

Methods inherited from class org.nd4j.parameterserver.status.play.BaseStatusStorage

ids, numStates, updateState

Methods inherited from class java.lang.Object

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

Constructor Detail

MapDbStatusStorage

public MapDbStatusStorage(long heartBeatEjectionMilliSeconds,
                          long checkInterval)

Parameters:

heartBeatEjectionMilliSeconds - the amount of time before ejecting a given subscriber as failed

checkInterval - the interval to check for

MapDbStatusStorage

public MapDbStatusStorage()

Method Detail

createUpdatedMap

public Map<Integer,Long> createUpdatedMap()

Create the storage map

Specified by:

createUpdatedMap in class BaseStatusStorage

Returns:

createMap

public Map<Integer,org.nd4j.parameterserver.model.SubscriberState> createMap()

Description copied from class: BaseStatusStorage

Create the storage map

Specified by:

createMap in class BaseStatusStorage

Returns:

getState

public org.nd4j.parameterserver.model.SubscriberState getState(int id)

Get the state given an id. The integer represents a stream id for a given ParameterServerSubscriber.

A SubscriberState is supposed to be 1 to 1 mapping for a stream and a MediaDriver.

Specified by:

getState in interface StatusStorage

Overrides:

getState in class BaseStatusStorage

Parameters:

id - the id of the state to get

Returns:

the subscriber state for the given id or none if it doesn't exist