org.apache.storm.state

Class StateFactory

java.lang.Object

org.apache.storm.state.StateFactory

public final class StateFactory
extends java.lang.Object

A factory for creating State instances

Method Summary

Modifier and Type	Method and Description
static State	getState(java.lang.String namespace, java.util.Map<java.lang.String,java.lang.Object> topoConf, TopologyContext context) Returns a new state instance using the Config.TOPOLOGY_STATE_PROVIDER or a InMemoryKeyValueState if no provider is configured.

Methods inherited from class java.lang.Object

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

Method Detail

getState

public static State getState(java.lang.String namespace,
                             java.util.Map<java.lang.String,java.lang.Object> topoConf,
                             TopologyContext context)

Returns a new state instance using the Config.TOPOLOGY_STATE_PROVIDER or a InMemoryKeyValueState if no provider is configured.

Parameters:

namespace - the state namespace

topoConf - the storm conf

context - the topology context

Returns:

the state instance