/**
* ensure that the given record has a "result" annotation.
*
* @param blackboard blackboard
* @param record id of record
* @return the "result" annotation on the record
* @throws BlackboardAccessException error accessing blackboard.
*/
private Annotation ensureResultAnnotation(final Blackboard blackboard, final Id record)
throws BlackboardAccessException {
Annotation annotation = blackboard.getAnnotation(record, null, SearchAnnotations.RESULT);
if (annotation == null) {
annotation = blackboard.createAnnotation(record);
blackboard.setAnnotation(record, null, SearchAnnotations.RESULT, annotation);
}
return annotation;
}
