diff options
author | 2018-09-14 16:30:51 -0400 | |
---|---|---|
committer | 2018-09-14 17:17:53 -0400 | |
commit | 0bd7ab17674ca4eee396dfe8df3a769632a6e733 (patch) | |
tree | ff7a2e7b7c51783a5779caa21fb6a221dab3c4f5 /controlloop/templates/archetype-cl-amsterdam/src/main/resources/archetype-resources | |
parent | 97956f188f4a8d92d734bf491d5e15a78a03459f (diff) |
fix NPE from rule timers
This problem occurs in rules that have "timer(expr)" expressions before
the "when" clause. If a working memory element, other than the timer
object, appears in the "when" clause and is updated BY ANY RULE, then
an NPE is thrown. The solution is to segregate the objects so that
rules having "timer(expr)" expressions only refer to one object, the
XxxTimer object. In particular, the rule simply sets an "expired" flag
in the XxxTimer object and then all other rules check that flag, rather
than having their own "timer(expr)" expressions.
Corrected comment associated with rule TIMER.FIRED.
Change-Id: I9e6c20ee46af99234daee8ece4862edbd41ba714
Issue-ID: POLICY-1106
Signed-off-by: Jim Hahn <jrh3@att.com>
Diffstat (limited to 'controlloop/templates/archetype-cl-amsterdam/src/main/resources/archetype-resources')
-rw-r--r-- | controlloop/templates/archetype-cl-amsterdam/src/main/resources/archetype-resources/src/main/resources/__closedLoopControlName__.drl | 76 |
1 files changed, 42 insertions, 34 deletions
diff --git a/controlloop/templates/archetype-cl-amsterdam/src/main/resources/archetype-resources/src/main/resources/__closedLoopControlName__.drl b/controlloop/templates/archetype-cl-amsterdam/src/main/resources/archetype-resources/src/main/resources/__closedLoopControlName__.drl index 248497292..87a477406 100644 --- a/controlloop/templates/archetype-cl-amsterdam/src/main/resources/archetype-resources/src/main/resources/__closedLoopControlName__.drl +++ b/controlloop/templates/archetype-cl-amsterdam/src/main/resources/archetype-resources/src/main/resources/__closedLoopControlName__.drl @@ -105,23 +105,17 @@ declare ParamsCleaner controlLoopYaml : String end - /* - * Operation Timer - */ -declare OperationTimer - closedLoopControlName : String - requestID : String - delay : String -end - -/* - * Control Loop Timer + * This object is to provide support for timeouts + * due to a bug in drools' built-in timers */ declare ControlLoopTimer - closedLoopControlName : String - requestID : String - delay : String + closedLoopControlName : String + requestID : String + delay : String + expired : boolean + //timerType is the type of timer: either "ClosedLoop" or "Operation" + timerType : String end /* @@ -221,6 +215,7 @@ rule "${policyName}.EVENT" // Setup the Overall Control Loop timer // ControlLoopTimer clTimer = new ControlLoopTimer(); + clTimer.setTimerType("ClosedLoop"); clTimer.setClosedLoopControlName($event.getClosedLoopControlName()); clTimer.setRequestID($event.getRequestId().toString()); clTimer.setDelay(manager.getControlLoopTimeout(1500) + "s"); @@ -276,7 +271,7 @@ rule "${policyName}.EVENT.MANAGER" $params : Params( getClosedLoopControlName() == "${closedLoopControlName}" ) $event : VirtualControlLoopEvent( closedLoopControlName == $params.getClosedLoopControlName() ) $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId() ) - $clTimer : ControlLoopTimer ( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId().toString() ) + $clTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId().toString(), timerType == "ClosedLoop", !expired ) then Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage()); @@ -439,7 +434,8 @@ rule "${policyName}.EVENT.MANAGER" // // insert operation timeout object // - OperationTimer opTimer = new OperationTimer(); + ControlLoopTimer opTimer = new ControlLoopTimer(); + opTimer.setTimerType("Operation"); opTimer.setClosedLoopControlName($event.getClosedLoopControlName()); opTimer.setRequestID($event.getRequestId().toString()); opTimer.setDelay(operation.getOperationTimeout().toString() + "s"); @@ -516,7 +512,7 @@ rule "${policyName}.EVENT.MANAGER.OPERATION.LOCKED.GUARD_PERMITTED" $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId() ) $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(), onset.getRequestId() == $event.getRequestId(), "Permit".equalsIgnoreCase(getGuardApprovalStatus()) ) $lock : TargetLock (requestID == $event.getRequestId()) - $opTimer : OperationTimer( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId().toString() ) + $opTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId().toString(), timerType == "Operation", !expired ) then Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage()); @@ -707,7 +703,7 @@ rule "${policyName}.GUARD.RESPONSE" $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId() ) $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(), onset.getRequestId() == $event.getRequestId() ) $lock : TargetLock (requestID == $event.getRequestId()) - $opTimer : OperationTimer( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId().toString() ) + $opTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId().toString(), timerType == "Operation", !expired ) $guardResponse : PolicyGuardResponse(requestID == $event.getRequestId(), $operation.policy.recipe == operation) then @@ -770,7 +766,7 @@ rule "${policyName}.APPC.RESPONSE" $event : VirtualControlLoopEvent( closedLoopControlName == $params.getClosedLoopControlName(), closedLoopEventStatus == ControlLoopEventStatus.ONSET ) $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId() ) $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(), onset.getRequestId() == $event.getRequestId() ) - $opTimer : OperationTimer( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId().toString() ) + $opTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId().toString(), timerType == "Operation", !expired ) $lock : TargetLock (requestID == $event.getRequestId()) $response : Response( getCommonHeader().RequestId == $event.getRequestId() ) then @@ -884,7 +880,7 @@ rule "${policyName}.APPC.LCM.RESPONSE" $event : VirtualControlLoopEvent( closedLoopControlName == $params.getClosedLoopControlName(), closedLoopEventStatus == ControlLoopEventStatus.ONSET ) $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId() ) $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(), onset.getRequestId() == $event.getRequestId() ) - $opTimer : OperationTimer( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId().toString() ) + $opTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId().toString(), timerType == "Operation", !expired ) $lock : TargetLock (requestID == $event.getRequestId()) $response : LcmResponseWrapper( getBody().getCommonHeader().getRequestId() == $event.getRequestId() ) then @@ -989,7 +985,7 @@ rule "${policyName}.SO.RESPONSE" $event : VirtualControlLoopEvent( closedLoopControlName == $params.getClosedLoopControlName(), closedLoopEventStatus == ControlLoopEventStatus.ONSET ) $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId() ) $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(), onset.getRequestId() == $event.getRequestId() ) - $opTimer : OperationTimer( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId().toString() ) + $opTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId().toString(), timerType == "Operation", !expired ) $lock : TargetLock (requestID == $event.getRequestId()) $response : SOResponseWrapper(requestID.toString() == $event.getRequestId().toString() ) then @@ -1073,7 +1069,7 @@ rule "${policyName}.VFC.RESPONSE" $event : VirtualControlLoopEvent( closedLoopControlName == $params.getClosedLoopControlName(), closedLoopEventStatus == ControlLoopEventStatus.ONSET ) $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId() ) $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(), onset.getRequestId() == $event.getRequestId() ) - $opTimer : OperationTimer( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId().toString() ) + $opTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId().toString(), timerType == "Operation", !expired ) $lock : TargetLock (requestID == $event.getRequestId()) $response : VFCResponse( requestId.toString() == $event.getRequestId().toString() ) then @@ -1136,17 +1132,32 @@ end /* * +* This manages a single timer. +* Due to a bug in the drools code, the drools timer needed to be split from most of the objects in the when clause +* +*/ +rule "${policyName}.TIMER.FIRED" + timer (expr: $timeout) + when + $timer : ControlLoopTimer($timeout : delay, !expired) + then + Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage()); + logger.info("This is ${policyName}.TIMER.FIRED"); + modify($timer){setExpired(true)}; + end + +/* +* * This is the timer that manages the timeout for an individual operation. * */ rule "${policyName}.EVENT.MANAGER.OPERATION.TIMEOUT" - timer (expr: $to ) when $params : Params( getClosedLoopControlName() == "${closedLoopControlName}" ) $event : VirtualControlLoopEvent( closedLoopControlName == $params.getClosedLoopControlName() ) $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId() ) $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(), onset.getRequestId() == $event.getRequestId() ) - $opTimer : OperationTimer( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId().toString(), $to : getDelay() ) + $opTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId().toString(), expired, timerType == "Operation" ) $lock : TargetLock (requestID == $event.getRequestId()) then @@ -1205,12 +1216,11 @@ end * */ rule "${policyName}.EVENT.MANAGER.TIMEOUT" - timer (expr: $to ) when $params : Params( getClosedLoopControlName() == "${closedLoopControlName}" ) $event : VirtualControlLoopEvent( closedLoopControlName == $params.getClosedLoopControlName() ) $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId() ) - $clTimer : ControlLoopTimer ( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId().toString(), $to : getDelay() ) + $clTimer : ControlLoopTimer( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId().toString(), expired, timerType == "ClosedLoop" ) then Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage()); @@ -1248,11 +1258,10 @@ end rule "${policyName}.EVENT.MANAGER.CLEANUP" when $manager : ControlLoopEventManager( $clName : getClosedLoopControlName(), $requestId : getRequestID() ) - $clTimer : ControlLoopTimer ( closedLoopControlName == $clName, requestID == $requestId.toString() ) $operations : LinkedList() from collect( ControlLoopOperationManager( onset.closedLoopControlName == $clName, onset.getRequestId() == $requestId ) ) - $opTimers : LinkedList() - from collect( OperationTimer( closedLoopControlName == $clName, requestID == $requestId.toString() ) ) + $timers : LinkedList() + from collect( ControlLoopTimer( closedLoopControlName == $clName, requestID == $requestId.toString() ) ) $locks : LinkedList() from collect( TargetLock (requestID == $requestId) ) not( VirtualControlLoopEvent( closedLoopControlName == $clName, requestId == $requestId ) ) @@ -1261,21 +1270,20 @@ rule "${policyName}.EVENT.MANAGER.CLEANUP" Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage()); logger.info("{}: {}", $clName, drools.getRule().getName()); - logger.debug("{}: {}: manager={} clTimer={} operations={}", + logger.debug("{}: {}: manager={} timers={} operations={}", $clName, drools.getRule().getName(), - $manager, $clTimer, $operations.size()); + $manager, $timers.size(), $operations.size()); // // Retract EVERYTHING // retract($manager); - retract($clTimer); for(Object manager: $operations) { retract((ControlLoopOperationManager) manager); } - for(Object opTimer: $opTimers) { - retract((OperationTimer) opTimer); + for(Object timer: $timers) { + retract((ControlLoopTimer) timer); } for(Object lock: $locks) { TargetLock tgt = (TargetLock) lock; |