Bug 793726

Summary:	Review the functionality that allows Portlet Event and Public Render Parameter to be propagated to portlets on different pages.
Product:	[JBoss] JBoss Enterprise Portal Platform 6	Reporter:	Gary Hu <garyhu2>
Component:	Portal	Assignee:	Lucas Ponce <lponce>
Status:	VERIFIED ---	QA Contact:	Martin Vecera <mvecera>
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	bdawidow, epp-bugs, jpallich, ppalaga, theute, tkyjovsk
Target Milestone:	DR01
Target Release:	6.2.0
Hardware:	Unspecified
OS:	Unspecified
URL:	http://jira.jboss.org/jira/browse/JBEPP-797
Whiteboard:	portal_6_2_0_Candidate
Fixed In Version:		Doc Type:	Enhancement
Doc Text:	Public render parameters in portlets are now supported through portal URLs. Public render parameters were previously shared between pages but there was no support from Portal URLs. Public render parameter can now be passed to portlets through a Portal URL.	Story Points:	---
Clone Of:	JBEPP-797
Clones:	1072145 1072173 (view as bug list)		Environment:
Last Closed:		Type:	Feature Request
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	1072145, 1072173

Description Gary Hu 2011-02-09 21:24:54 UTC

++ This bug is a clone of bug 793724 ++

project_key: JBEPP

The current implementation of EPP 4.3 and 5.x doesn't enable the Portlet Event to be propagated to portlets that are on different pages. The Public Render Parameter seems to be work that way possibly because of some unexpected side effects. 

We've seen some needs from the customers, especially coming from IBM/Oracle portals where the similar functionality is available. Can we re-evaluate this functionality to see if we can make it available in our future release?

Comment 2 Jared MORGAN 2011-11-16 23:52:22 UTC

Release Notes Docs Status: Added: Not Required
Primary SME: Added: theute

Comment 3 hfnukal@redhat.com 2012-01-16 12:47:50 UTC

Labels: Added: EPP_6_0_0_Candidate

Comment 4 Thomas Heute 2012-09-03 11:29:52 UTC

*** Bug 793724 has been marked as a duplicate of this bug. ***

Comment 6 Boleslaw Dawidowicz 2013-07-26 09:35:39 UTC

This one needs to be investigated - not sure if events are duable in current situation however we should consider supporting passing public render parameters

Comment 7 Lucas Ponce 2014-01-14 13:54:16 UTC

According specification about Events:

PLT.15.2.5 Event Processing:

"Events are valid only in the current client request and the portlet container must therefore deliver all events within the current client request. [...]"

So, a modification to share Events between pages should force to break specification if we try to apply a change inside PortletContainer.

A valid workaround for this use case can be to use EventFilter interface and share Events through PortletSession object as several requests are needed.

The use case described in the BZ (applications migrated from IBM/Oracle to JPP) can be achieved adding a helper Filter that shares Events across requests.

About Public Render Parameters:

Public Render Parameters are saved at container level, so by default there are shared between requests in the current version, so public render parameters can be shared between pages by default.

Comment 8 Peter Palaga 2014-01-15 16:09:48 UTC

Fixed in GateIn master (3.7.x).

Comment 9 Lucas Ponce 2014-01-15 16:14:48 UTC

We are evaluating if we can also add Public Render Parameters support at URL level.

I change to ASSIGN status to report progress in this BZ.

Comment 10 Lucas Ponce 2014-01-21 14:24:56 UTC

Sent patch to support public render parameters from URL with propagation between pages.

Comment 11 Peter Palaga 2014-02-14 11:58:41 UTC

The patch named in Comment #10 was merged in upstream.