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

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.2.0
• Fix Version/s: 2.2.1
• Assignee: Chris Twiner
• Reporter: Chris Twiner
• Created: 03/Jan/09 14:14
• Updated: 03/Jan/09 15:00
• Resolved: 03/Jan/09 15:00

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.