private void persistActionRecord() {
if (LOGGING_ENABLED) {
ActionRecord record = new ActionRecord();
record.setInitiator(mAction.getInitiator());
record.setName(mAction.getName());
record.getReceivers().addAll(mAction.getReceiver());
record.setResult(mResult);
record.setDatestamp(new Date(mContext.getContextTime()));
localPersist(record);
}
}
private void postActionHook() {
if (LOG.isTraceEnabled()) {
LOG.trace("postActionHook()... Task: " + mAction.getName() + "has completed");
}
persistActionRecord();
// Check if the initiator of this action supports scoring...
Object initiator = mContext.getMapObjectCollection().getObjectByGuid(mAction.getInitiator());
if (initiator instanceof IScoringAbility) {
((IScoringAbility) initiator).score(mAction);
}
}
/**
* The actual wrapped call. Note that all of the action's execution method is wrapped in a
* try/catch block, so that we can contain any explosive exceptions that occur during operation.
*/
public String call() throws Exception {
/*
* Perform pre-action checks to verify that the initiators and
* receivers support the action's required IAbilities
*/
if (!preActionHook()) {
persistActionRecord();
return mResult;
}
try {
mAction.preActionHook();
mResult = mAction.executeCallableAction();
mAction.postActionHook();
} catch (Exception e) {
LOG.error(
"Exception occured while attempting to perform PreActionHook for action:"
+ e.getLocalizedMessage());
mResult = "FAILED: EXCEPTION " + e.getLocalizedMessage();
}
/*
* If this is a repeating task, schedule the future task at the
* appropriate period. Note that we are carrying forward the same
* mAction, so that internal changes to the action object will have
* continuity over their entire lifetime.
*
* Calling get() or any other waiting block will only work for the
* first iteration of the task, because the caller would have a
* reference to the first of many possible ScheduledFuture's... this
* is alright, because the IAction's behavior is still the same as
* if it were submitted normally, the Future that the caller got
* still behaves as if the task were running periodically. No loss
* for them...
*/
if (mAction.getPeriod() > 0) {
mAction.schedule(mAction.getPeriod(), mAction.getTimeUnit());
}
postActionHook();
persistActionRecord();
return mResult;
}
private boolean preActionHook() {
if (LOG.isTraceEnabled()) {
LOG.trace("preActionHook()... Task: " + mAction.getName() + "starting");
}
/*
* If this action was started by the SYSTEM_GUID, we don't do any
* ability checking on the operation. We may want to expand this out
* later to include different processes with different abilities,
* but for now, let's just let the system do anything it wants.
*/
if (!GuidManager.SYSTEM_GUID.equals(mAction.getInitiator())) {
Object initiator =
mContext.getMapObjectCollection().getObjectByGuid(mAction.getInitiator());
if (initiator == null) {
initiator = mContext.getRegionCollection().getRegion(mAction.getInitiator());
if (null == initiator) {
LOG.warn("Command action using the system guid...was this expected?");
}
}
// TODO: This check may not be appropriate here.... How about AI objects? Moving Zones?
if (!(initiator instanceof IMapObject) && !(initiator instanceof IMapRegion)) {
mResult = "FAIL: Initiator is not an IMapObject or IMapRegion";
return false;
}
// Now verify that the initiator supports all of the IAction's
// required abilities
if (!supportsRequiredAbilities(
mAction.getRequiredInitiatorAbilities(), ((IAbility) initiator).getObjectAbilities())) {
mResult = "FAIL: Initiator doesn't support one of the required IAbilities";
return false;
}
}
/*
* Now walk each of the receivers, verifying that they support all
* of the required methods necessary to support the action. But,
* recievers might not be in the trackableByGuidList. atm I am
* trying to use a record that does implement the IAction And if it
* is the system, just return.
*/
Iterator<Long> itor = mAction.getReceiver().iterator();
while (itor.hasNext()) {
// Verify first that this receiver supports IAbility
long next = itor.next();
// if system, then continue to next itoration
if (next == GuidManager.SYSTEM_GUID) {
continue;
}
Object receiver = mContext.getMapObjectCollection().getObjectByGuid(next);
// The recever might be found int the
// m_context.getPlayerSignUpActionCollection.get(next);
// if (receiver == null)
// receiver = m_context.getPlayerSignUpActionHashtable().get(next);
if (!(receiver instanceof IAbility)) {
mResult = "FAIL: Receiver doesn't support IAbility";
return false;
}
// Now verify that the receiver supports all of the IAction's
// required abilities
if (!supportsRequiredAbilities(
mAction.getRequiredReceiverAbilities(), ((IAbility) receiver).getObjectAbilities())) {
mResult = "FAIL: Receiver doesn't support one of the required IAbilities";
return false;
}
}
return true;
}
