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Posted to muse-dev@ws.apache.org by "Chris Twiner (JIRA)" <ji...@apache.org> on 2009/01/03 15:15:44 UTC

[jira] Created: (MUSE-295) Pull-Points should not subscribe to all. Its the job of the subscriptions to decide what is subscribed.

Pull-Points should not subscribe to all.  Its the job of the subscriptions to decide what is subscribed.
--------------------------------------------------------------------------------------------------------

                 Key: MUSE-295
                 URL: https://issues.apache.org/jira/browse/MUSE-295
             Project: Muse
          Issue Type: Sub-task
    Affects Versions: 2.2.0
            Reporter: Chris Twiner
            Assignee: Chris Twiner


Currently the SimplePullPointCreation registers a default message listener of *.  This captures all messages sent from that Muse instance.  This is against the spirit of a pull point.

Suggested fix is to check return a null filter object by default from SimplePullPoint.getFilter.  Then PPCreation can check if the filter is the null object.  If so it doesn't add a default filter.  This preserves the notion of a default subscription for a pullpoint but also provides expected behaviour.

Further specific subscriptions can be added as per normal with a subscription client.

Adding a SimplePullPointAll class allows the existing behaviour to be used with only three additional letters in the muse.xml :-)

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[jira] Updated: (MUSE-295) Pull-Points should not subscribe to all. Its the job of the subscriptions to decide what is subscribed.

Posted by "Chris Twiner (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/MUSE-295?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chris Twiner updated MUSE-295:
------------------------------

    Description: 
Currently the SimplePullPointCreation registers a default message listener of *.  This captures all messages sent from that Muse instance.  This is against the spirit of a pull point.

Suggested fix is to check return a null filter object by default from SimplePullPoint.getFilter.  Then PPCreation can check if the filter is the null object.  If so it doesn't add a default filter.  This preserves the notion of a default subscription for a pullpoint but also provides expected behaviour.

Further specific subscriptions can be added as per normal with a subscription client.

The existing SimplePullPoint is kept as-is for binary compatibility, a SubscriptionPullPoint class is added to provide this functionality.  NullFilter is added to the WsnConstants class.

  was:
Currently the SimplePullPointCreation registers a default message listener of *.  This captures all messages sent from that Muse instance.  This is against the spirit of a pull point.

Suggested fix is to check return a null filter object by default from SimplePullPoint.getFilter.  Then PPCreation can check if the filter is the null object.  If so it doesn't add a default filter.  This preserves the notion of a default subscription for a pullpoint but also provides expected behaviour.

Further specific subscriptions can be added as per normal with a subscription client.

Adding a SimplePullPointAll class allows the existing behaviour to be used with only three additional letters in the muse.xml :-)


> Pull-Points should not subscribe to all.  Its the job of the subscriptions to decide what is subscribed.
> --------------------------------------------------------------------------------------------------------
>
>                 Key: MUSE-295
>                 URL: https://issues.apache.org/jira/browse/MUSE-295
>             Project: Muse
>          Issue Type: Sub-task
>    Affects Versions: 2.2.0
>            Reporter: Chris Twiner
>            Assignee: Chris Twiner
>             Fix For: 2.2.1
>
>
> Currently the SimplePullPointCreation registers a default message listener of *.  This captures all messages sent from that Muse instance.  This is against the spirit of a pull point.
> Suggested fix is to check return a null filter object by default from SimplePullPoint.getFilter.  Then PPCreation can check if the filter is the null object.  If so it doesn't add a default filter.  This preserves the notion of a default subscription for a pullpoint but also provides expected behaviour.
> Further specific subscriptions can be added as per normal with a subscription client.
> The existing SimplePullPoint is kept as-is for binary compatibility, a SubscriptionPullPoint class is added to provide this functionality.  NullFilter is added to the WsnConstants class.

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[jira] Commented: (MUSE-295) Pull-Points should not subscribe to all. Its the job of the subscriptions to decide what is subscribed.

Posted by "Chris Twiner (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/MUSE-295?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12660472#action_12660472 ] 

Chris Twiner commented on MUSE-295:
-----------------------------------

A brief history of related issues:

http://marc.info/?l=muse-user&m=118538443013450&w=2 
http://mail-archives.apache.org/mod_mbox/ws-muse-user/200707.mbox/%3CDD00ACEE56F4A04DB7092539C493FADC053CA05E@sxmbx06.corproot.net%3E

> Pull-Points should not subscribe to all.  Its the job of the subscriptions to decide what is subscribed.
> --------------------------------------------------------------------------------------------------------
>
>                 Key: MUSE-295
>                 URL: https://issues.apache.org/jira/browse/MUSE-295
>             Project: Muse
>          Issue Type: Sub-task
>    Affects Versions: 2.2.0
>            Reporter: Chris Twiner
>            Assignee: Chris Twiner
>             Fix For: 2.2.1
>
>
> Currently the SimplePullPointCreation registers a default message listener of *.  This captures all messages sent from that Muse instance.  This is against the spirit of a pull point.
> Suggested fix is to check return a null filter object by default from SimplePullPoint.getFilter.  Then PPCreation can check if the filter is the null object.  If so it doesn't add a default filter.  This preserves the notion of a default subscription for a pullpoint but also provides expected behaviour.
> Further specific subscriptions can be added as per normal with a subscription client.
> The existing SimplePullPoint is kept as-is for binary compatibility, a SubscriptionPullPoint class is added to provide this functionality.  NullFilter is added to the WsnConstants class.

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[jira] Resolved: (MUSE-295) Pull-Points should not subscribe to all. Its the job of the subscriptions to decide what is subscribed.

Posted by "Chris Twiner (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/MUSE-295?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chris Twiner resolved MUSE-295.
-------------------------------

    Resolution: Fixed

> Pull-Points should not subscribe to all.  Its the job of the subscriptions to decide what is subscribed.
> --------------------------------------------------------------------------------------------------------
>
>                 Key: MUSE-295
>                 URL: https://issues.apache.org/jira/browse/MUSE-295
>             Project: Muse
>          Issue Type: Sub-task
>    Affects Versions: 2.2.0
>            Reporter: Chris Twiner
>            Assignee: Chris Twiner
>             Fix For: 2.2.1
>
>
> Currently the SimplePullPointCreation registers a default message listener of *.  This captures all messages sent from that Muse instance.  This is against the spirit of a pull point.
> Suggested fix is to check return a null filter object by default from SimplePullPoint.getFilter.  Then PPCreation can check if the filter is the null object.  If so it doesn't add a default filter.  This preserves the notion of a default subscription for a pullpoint but also provides expected behaviour.
> Further specific subscriptions can be added as per normal with a subscription client.
> The existing SimplePullPoint is kept as-is for binary compatibility, a SubscriptionPullPoint class is added to provide this functionality.  NullFilter is added to the WsnConstants class.

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