public static IStreamRelativeAccess GetOptPreviousExprRelativeAccess(AgentInstanceViewFactoryChainContext agentInstanceViewFactoryContext)
{
IStreamRelativeAccess relativeAccessByEvent = null;
if (agentInstanceViewFactoryContext.PreviousNodeGetter != null)
{
var getter = (RelativeAccessByEventNIndexMap)agentInstanceViewFactoryContext.PreviousNodeGetter;
relativeAccessByEvent = new IStreamRelativeAccess(getter.Updated);
getter.Updated(relativeAccessByEvent, null);
}
return(relativeAccessByEvent);
}
public ViewUpdatedCollection GetOptPreviousExprRelativeAccess(
AgentInstanceViewFactoryChainContext agentInstanceViewFactoryContext)
{
IStreamRelativeAccess relativeAccessByEvent = null;
if (agentInstanceViewFactoryContext.PreviousNodeGetter != null)
{
var getter = (RelativeAccessByEventNIndexGetter) agentInstanceViewFactoryContext.PreviousNodeGetter;
var observer = (IStreamRelativeAccessUpdateObserver) getter;
relativeAccessByEvent = new IStreamRelativeAccess(observer);
observer.Updated(relativeAccessByEvent, null);
}
return relativeAccessByEvent;
}