0000426: Add event barrier - MantisBT

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ID

Project

Category

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Date Submitted

Last Update

0000426

JANA

Feature Request

public

2014-12-03 06:18

2015-06-09 16:15

Reporter

davidl

Assigned To

davidl

Priority

normal

Severity

minor

Reproducibility

N/A

Status

resolved

Resolution

fixed

Platform

OS

OS Version

Summary

0000426: Add event barrier

Description

There are situations where special events are encountered in the data stream that may affect how the events following it are analyzed. These include EPICS events and sync events. In order to ensure that all subsequent events see the effects of the special event, but no previous ones still being processed do, a barrier mechanism is needed.

The barrier should be callable from the JEventSource::GetEvent() method and should let the event buffer drain completely before continuing.

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Notes
(0000642) davidl (administrator) 2015-06-09 16:15	This was implemented in revision 2337 and will appear in JANA 0.7.3. If an event source calls: event.SetSequential() in its GetEvent method than the event is flagged to be run sequentially. A unit test called "event_barrier" was created to test the mechanism and it appears to work.

Issue History
Date Modified	Username	Field	Change
2014-12-03 06:18	davidl	New Issue
2014-12-03 06:19	davidl	Status	new => assigned
2014-12-03 06:19	davidl	Assigned To	=> davidl
2015-06-09 16:15	davidl	Note Added: 0000642
2015-06-09 16:15	davidl	Status	assigned => resolved
2015-06-09 16:15	davidl	Resolution	open => fixed

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