/**
* @see
* org.drools.event.rule.WorkingMemoryEventListener#objectRetracted(org.drools.event.rule.ObjectRetractedEvent)
*/
public void objectRetracted(ObjectRetractedEvent event) {
logger.debug(
"==> [ObjectRetracted: handle="
+ event.getFactHandle()
+ "; object="
+ event.getOldObject()
+ "]");
if (event.getOldObject() instanceof TohuObject) {
TohuObject oldObject = (TohuObject) event.getOldObject();
String id = oldObject.getId();
logger.debug("==> ObjectRemoved: Removing Fact with ID [" + id + "] from Working Memry");
TohuObject originalObject = getOriginalObject(id);
processChange(id, originalObject, null, oldObject, event.getFactHandle());
}
}
/**
* @see
* org.drools.event.rule.WorkingMemoryEventListener#objectUpdated(org.drools.event.rule.ObjectUpdatedEvent)
*/
public void objectUpdated(ObjectUpdatedEvent event) {
logger.debug(
"==> [ObjectUpdated handle="
+ event.getFactHandle()
+ "; object="
+ event.getOldObject()
+ "]");
if (event.getObject() instanceof TohuObject) {
TohuObject newObject = (TohuObject) event.getObject();
String id = newObject.getId();
logger.debug(
"==> ObjectUpdated: Updating Fact with ID [" + id + "] that exists in Working Memry");
TohuObject originalObject = getOriginalObject(id);
processChange(id, originalObject, newObject, newObject, event.getFactHandle());
}
}
/**
* Makes copies of the original value all the objects that we wish to track.
*
* <p>Shallow copies are sufficient since none of our objects contain children. (All lists are
* stored as comma-delimited strings so they can be serialized nicely.)
*
* @param originalObjects
*/
public void initialise(Collection<?> originalObjects) {
this.originalObjects = new HashMap<String, TohuObject>();
for (Object object : originalObjects) {
if (object instanceof TohuObject) {
TohuObject i = (TohuObject) object;
try {
this.originalObjects.put(i.getId(), (TohuObject) i.clone());
} catch (CloneNotSupportedException e) {
// ignore
}
} else if (object instanceof Answer) {
Answer answer = (Answer) object;
storeClientAnswer(answer);
}
}
}
/**
* @see
* org.drools.event.rule.WorkingMemoryEventListener#objectInserted(org.drools.event.rule.ObjectInsertedEvent)
*/
public void objectInserted(ObjectInsertedEvent event) {
logger.debug(
"==> [ObjectInserted: handle="
+ event.getFactHandle()
+ "; object="
+ event.getObject()
+ "]");
if (event.getObject() instanceof TohuObject) {
TohuObject newObject = (TohuObject) event.getObject();
String id = newObject.getId();
TohuObject originalObject = getOriginalObject(id);
logger.debug(
"==>ObjectInserted: Inserting Tohu Fact with ID [" + id + "] into working memry");
processChange(id, originalObject, newObject, newObject, event.getFactHandle());
} else if (event.getObject() instanceof Answer) {
Answer answer = (Answer) event.getObject();
logger.debug(
"==>ObjectInserted: Inserting Answer Fact with value ["
+ answer.getValue()
+ "] into working memry");
storeClientAnswer(answer);
}
}