org.nd4j.parameterserver.status.play

Interface StatusStorage

All Known Implementing Classes:

BaseStatusStorage, InMemoryStatusStorage, MapDbStatusStorage

public interface StatusStorage

An interface for storing information about the status of a ParameterServerSubscriber

Author:

Adam Gibson

Method Summary

Modifier and Type	Method and Description
org.nd4j.parameterserver.model.SubscriberState	getState(int id) Get the state given an id.
List<Integer>	ids() The list of state ids for the given SubscriberState
int	numStates() Returns the number of states held by this storage
void	updateState(org.nd4j.parameterserver.model.SubscriberState subscriberState) Update the state for storage

Method Detail

ids

List<Integer> ids()

The list of state ids for the given SubscriberState

Returns:

the list of ids for the given state

numStates

int numStates()

Returns the number of states held by this storage

Returns:

getState

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.

Parameters:

id - the id of the state to get

Returns:

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

updateState

void updateState(org.nd4j.parameterserver.model.SubscriberState subscriberState)

Update the state for storage

Parameters:

subscriberState - the subscriber state to update