IsOfType (query directive)
From WandoraWiki
Description
Includes rows where the active column value is an instance of the specified type.
Constructor
IsOfType(TopicOperand si) - Checks against a topic with the specified subject identifier
Examples
importPackage(org.wandora.query2); importPackage(org.wandora.topicmap); new Instances().where( new IsOfType("http://www.wandora.org/core/associationtype") )
This selects all instances of the input topic that are also instances of association type.