[CAUSEWAY-641] Incompatibility of TreeSet for @Bulk.

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: core-1.3.0
• Fix Version/s: core-1.4.0
• Component/s: Core
• Assignee: Daniel Keir Haywood
• Reporter: Deepak Krishnan
• Created: 20/Dec/13 22:02
• Updated: 11/Mar/14 07:39
• Resolved: 10/Jan/14 16:42

Description

Incompatibility of TreeSet for @Bulk.
ActionPanel assumes that standalone lists are of type of type java.util.List.
Trying to do a bulk delete operation on a treeset of an entity throws an class cast exception

java.util.TreeSet cannot be cast to java.util.List
org.apache.isis.viewer.wicket.ui.components.actions.ActionPanel$ResultType#asList(ActionPanel.java:460)
org.apache.isis.viewer.wicket.ui.components.actions.ActionPanel$ResultType#determineFor(ActionPanel.java:446)
org.apache.is