private void loadKB(String kbURL, String guidelineId) {
System.out.println("Starting to load KB");
System.out.println("------------------------------------------------------------------");
try {
PCAImp = new PCAServer_i();
PCAImp.kbManager = new KBHandler(kbURL); // Sever loads the KB
// java.util.Date finishedKB = new java.util.Date();
// logger.warn("finished loading KB "+(finishedKB.getTime() - startTime.getTime())+ "
// milliseconds after start.");
pca = PCAImp.open_pca_session();
if ((guidelineId != null) && (guidelineId != "")) {
pca.setGuideline(guidelineId); // Specifies the guideline to use
} else logger.error("No GUIDELINEID specified");
} catch (Exception se) {
logger.error("Exception raised during initialization " + se.toString());
System.exit(1);
}
pca.finishSession();
System.out.println("------------------------------------------------------------------");
System.out.println("Done loading KB");
}
public void removeForwardReferences() {
KnowledgeBase kb = this.getKnowledgeBase();
Slot branches = kb.getSlot("branches");
Slot followed_by = kb.getSlot("followed_by");
// logger.debug("Slot "+branches.getName());
// logger.debug("Slot "+followed_by.getName());
Slot label = kb.getSlot("label");
Collection steps = getOwnSlotValues(kb.getSlot("steps"));
for (Iterator iterater = steps.iterator(); iterater.hasNext(); ) {
Instance step = (Instance) iterater.next();
// logger.debug("removeForwardReferences: node ="+step.getOwnSlotValue(label));
/*for (Iterator slots=step.getOwnSlots().iterator(); slots.hasNext();){
logger.debug("has slot "+((Slot)slots.next()).getName());
}*/
try {
if (step.hasOwnSlot(branches)) {
/*logger.debug("removeForwardReferences: "+ step.getOwnSlotValue(label)+
" has branches"); */
step.setOwnSlotValues(branches, new ArrayList());
} else if (step.hasOwnSlot(followed_by)) {
/* logger.debug("removeForwardReferences: "+ step.getOwnSlotValue(label)+
" has followed_by value "+step.getOwnSlotValue(followed_by));*/
step.setOwnSlotValue(followed_by, null);
} else
logger.error(
"removeForwardReferences: "
+ step.getOwnSlotValue(label)
+ "has no followed_by or branches slot");
} catch (Exception e) {
logger.error(
"Exception making " + step.getOwnSlotValue(label) + " null, Message: " + e.getMessage(),
e);
}
}
}