[jbosstools-issues] [JBoss JIRA] (JBIDE-21828) OpenShift Explorer view flickers when refreshing a service

[Viacheslav Kabanovich (JIRA)]

    [ https://issues.jboss.org/browse/JBIDE-21828?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13173836#comment-13173836 ] 

Viacheslav Kabanovich edited comment on JBIDE-21828 at 3/8/16 2:29 PM:
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I also think that when an instance DeploymentResourceMapper runs buildDeployments for the first time, it should not fire any events. Explorer has just for the first time requested the project for children, it will get it through the mapper, and that should be all to it. Now, in the initial creating and loading of deployments and resources cache, a lot of events is sent. They should not be sent at all rather than be grouped. Model object should be able to do initial loading silently, be returned as the whole and then have a listener attached to it to report further incremental changes.


was (Author: scabanovich):
I also think that when an instance DeploymentResourceMapper runs buildDeployments for the first time, it should not fire any events. Explorer has just for the first time requested the project for children, it will get it through the mapper, and that should be all to it. Now, in the initial creating and loading of deployments and resources cache, a lot of events is sent. They should not be sent at all rather than be grouped. Model object should be able to do initial loading silently, be returned as be whole and then have a listener attached to it to report further incremental changes.

> OpenShift Explorer view flickers when refreshing a service
> ----------------------------------------------------------
>
>                 Key: JBIDE-21828
>                 URL: https://issues.jboss.org/browse/JBIDE-21828
>             Project: Tools (JBoss Tools)
>          Issue Type: Bug
>          Components: openshift
>    Affects Versions: 4.3.1.Beta2
>            Reporter: Xavier Coulon
>         Attachments: Screenshot 2016-03-08 10.32.39.png
>
>
> When calling the "Refresh" command on a service, the tree view flickers because of too many refresh calls.
> Adding some traces revealed 25 calls to {{BaseExplorerContentProvider#refreshViewer(Object)}}, which seems way too much for a service with a single pod.
> Attachement: screenshot of the OpenShift Server view, showing 2 projects, one of which has 3 services.
> Custom/added logs in the console:
> {code}
> Refreshing viewer from org.jboss.tools.openshift.internal.ui.models.OpenShiftProjectUIModel at 431dafbc
> Refreshing viewer from org.jboss.tools.openshift.internal.ui.models.OpenShiftProjectUIModel at 431dafbc
> Refreshing viewer from org.jboss.tools.openshift.internal.ui.models.OpenShiftProjectUIModel at 431dafbc
> Refreshing viewer from org.jboss.tools.openshift.internal.ui.models.OpenShiftProjectUIModel at 431dafbc
> Refreshing viewer from org.jboss.tools.openshift.internal.ui.models.OpenShiftProjectUIModel at 431dafbc
> Refreshing viewer from org.jboss.tools.openshift.internal.ui.models.OpenShiftProjectUIModel at 431dafbc
> Refreshing viewer from sample/jee-sample
> Refreshing viewer from sample/jee-sample
> Refreshing viewer from sample/jee-sample
> Refreshing viewer from sample/jee-sample
> Refreshing viewer from sample/mongodb
> Refreshing viewer from sample/mongodb
> Refreshing viewer from sample/mongodb
> Refreshing viewer from sample/nodejs-mongodb-example
> Refreshing viewer from sample/nodejs-mongodb-example
> Refreshing viewer from sample/nodejs-mongodb-example
> Refreshing viewer from sample/nodejs-mongodb-example
> Refreshing viewer from sample/jee-sample
> Refreshing viewer from sample/jee-sample
> Refreshing viewer from sample/jee-sample
> Refreshing viewer from sample/jee-sample
> Refreshing viewer from sample/nodejs-mongodb-example
> Refreshing viewer from sample/nodejs-mongodb-example
> Refreshing viewer from org.jboss.tools.openshift.internal.ui.models.OpenShiftProjectUIModel at 431dafbc
> Refreshing viewer from org.jboss.tools.openshift.internal.ui.models.OpenShiftProjectUIModel at 431dafbc
> {code}



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