Package org.drools.core.time

Examples of org.drools.core.time.TimerService

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            InternalFactHandle factHandle = inCtx.handles.get( _expire.getHandleId() );
            EntryPointNode epn = inCtx.wm.getKnowledgeBase().getRete().getEntryPointNode( new EntryPointId( _expire.getEntryPointId() ) );
            Class<?> cls = inCtx.wm.getKnowledgeBase().getRootClassLoader().loadClass( _expire.getClassName() );
            ObjectTypeNode otn = epn.getObjectTypeNodes().get( new ClassObjectType( cls ) );
           
            TimerService clock = inCtx.wm.getTimerService();
           
            JobContext jobctx = new ExpireJobContext( new WorkingMemoryReteExpireAction(factHandle, otn),
                                                      inCtx.wm );
            JobHandle handle = clock.scheduleJob( job,
                                                  jobctx,
                                                  new PointInTimeTrigger( _expire.getNextFireTimestamp(),
                                                                          null,
                                                                          null ) );
            jobctx.setJobHandle( handle );
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    public void expireFacts(final WindowMemory memory,
                            final Object context,
                            final PropagationContext pctx,
                            final InternalWorkingMemory workingMemory) {
        TimerService clock = workingMemory.getTimerService();
        long currentTime = clock.getCurrentTime();
        SlidingTimeWindowContext queue = (SlidingTimeWindowContext) context;
        synchronized (queue.queue) {
            EventFactHandle handle = queue.queue.peek();
            while ( handle != null && isExpired( currentTime,
                                                 handle ) ) {
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                                             final InternalWorkingMemory workingMemory,
                                             final WindowMemory memory,
                                             final SlidingTimeWindow stw,
                                             final Object context,
                                             final int nodeId) {
        TimerService clock = workingMemory.getTimerService();
        if ( fact != null ) {
            long nextTimestamp = ((EventFactHandle) fact).getStartTimestamp() + stw.getSize();
            if ( nextTimestamp < clock.getCurrentTime() ) {
                // Past and out-of-order events should not be insert,
                // but the engine silently accepts them anyway, resulting in possibly undesirable behaviors
                workingMemory.queueWorkingMemoryAction( new BehaviorExpireWMAction( nodeId, stw, memory, context, pctx ) );
            } else {
                JobContext jobctx = new BehaviorJobContext( nodeId, workingMemory, stw, memory,
                                                            context, pctx);
                JobHandle handle = clock.scheduleJob( job,
                                                      jobctx,
                                                      new PointInTimeTrigger( nextTimestamp, null, null ) );
                jobctx.setJobHandle( handle );
            }
        }
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                              LeftTupleSink sink,
                              InternalWorkingMemory wm,
                              LeftTupleSets srcLeftTuples,
                              LeftTupleSets trgLeftTuples) {
        Timer timer = timerNode.getTimer();
        TimerService timerService = wm.getTimerService();
        long timestamp = timerService.getCurrentTime();
        String[] calendarNames = timerNode.getCalendarNames();
        Calendars calendars = wm.getCalendars();

        for ( LeftTuple leftTuple = srcLeftTuples.getInsertFirst(); leftTuple != null; ) {
            LeftTuple next = leftTuple.getStagedNext();
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                              LeftTupleSets trgLeftTuples,
                              LeftTupleSets stagedLeftTuples) {
        Timer timer = timerNode.getTimer();

        // Variables may have changed for ExpressionIntervalTimer, so it must be rescheduled
        TimerService timerService = wm.getTimerService();
        long timestamp = timerService.getCurrentTime();
        String[] calendarNames = timerNode.getCalendarNames();
        Calendars calendars = wm.getCalendars();

        for ( LeftTuple leftTuple = srcLeftTuples.getUpdateFirst(); leftTuple != null; ) {
            LeftTuple next = leftTuple.getStagedNext();

            LeftTupleList leftTuples = tm.getInsertOrUpdateLeftTuples();
            DefaultJobHandle jobHandle = (DefaultJobHandle) leftTuple.getObject();
            if ( jobHandle != null ) {
                // jobHandle can be null, if the time fired straight away, and never ended up scheduling a job
                synchronized ( leftTuples ) {
                    // the job removal and memory check is done within a sync block, incase it is executing a trigger at the
                    // same time we are procesing an update
                    timerService.removeJob(jobHandle);
                }
            }
            scheduleLeftTuple( timerNode, tm, pmem, smem, sink, wm, timer, timerService, timestamp, calendarNames, calendars, leftTuple, trgLeftTuples, stagedLeftTuples );

            leftTuple.clearStaged();
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                              LeftTupleSink sink,
                              InternalWorkingMemory wm,
                              LeftTupleSets srcLeftTuples,
                              LeftTupleSets trgLeftTuples,
                              LeftTupleSets stagedLeftTuples) {
        TimerService timerService = wm.getTimerService();

        LeftTupleList leftTuples = tm.getInsertOrUpdateLeftTuples();
        synchronized ( leftTuples ) {
            LeftTupleList deletes = tm.getDeleteLeftTuples();
            if ( !deletes.isEmpty() ) {
                for ( LeftTuple leftTuple = deletes.getFirst(); leftTuple != null; ) {
                    LeftTuple next = (LeftTuple) leftTuple.getNext();
                    srcLeftTuples.addDelete( leftTuple );
                    if ( log.isTraceEnabled() ) {
                        log.trace( "Timer Add Postponed Delete {}", leftTuple );
                    }
                    leftTuple.clear();
                    leftTuple = next;
                }
                deletes.clear();
            }
            for ( LeftTuple leftTuple = srcLeftTuples.getDeleteFirst(); leftTuple != null; ) {
                LeftTuple next = leftTuple.getStagedNext();

                DefaultJobHandle jobHandle = (DefaultJobHandle) leftTuple.getObject();
                if ( jobHandle != null ) {
                    // jobHandle can be null, if the time fired straight away, and never ended up scheduling a job
                    timerService.removeJob( jobHandle );
                }

                org.drools.core.spi.PropagationContext pctx = leftTuple.getPropagationContext();
                pctx = RuleTerminalNode.findMostRecentPropagationContext( leftTuple, pctx );
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        if ( context.getReaderContext() == null && this.objectType.isEvent() && this.expirationOffset >= 0 && this.expirationOffset != Long.MAX_VALUE ) {
            // schedule expiration
            WorkingMemoryReteExpireAction expire = new WorkingMemoryReteExpireAction( factHandle,
                                                                                      this );
            TimerService clock = workingMemory.getTimerService();

            long nextTimestamp = Math.max( clock.getCurrentTime(),
                                           ((EventFactHandle) factHandle).getEndTimestamp() + this.expirationOffset );
            JobContext jobctx = new ExpireJobContext( expire,
                                                      workingMemory );
            JobHandle handle = clock.scheduleJob( job,
                                                  jobctx,
                                                  new PointInTimeTrigger( nextTimestamp,
                                                                          null,
                                                                          null ) );
            jobctx.setJobHandle( handle );
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            Class< ? > cls = ((ReteooRuleBase) inCtx.wm.getRuleBase()).getRootClassLoader().loadClass( className );
            ObjectTypeNode otn = epn.getObjectTypeNodes().get( new ClassObjectType( cls ) );

            long nextTimeStamp = inCtx.readLong();

            TimerService clock = inCtx.wm.getTimerService();

            JobContext jobctx = new ExpireJobContext( new WorkingMemoryReteExpireAction( factHandle, otn ),
                                                      inCtx.wm );
            JobHandle handle = clock.scheduleJob( job,
                                                  jobctx,
                                                  new PointInTimeTrigger( nextTimeStamp,
                                                                          null,
                                                                          null ) );
            jobctx.setJobHandle( handle );
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            InternalFactHandle factHandle = inCtx.handles.get( _expire.getHandleId() );
            EntryPointNode epn = ((ReteooRuleBase)inCtx.wm.getRuleBase()).getRete().getEntryPointNode( new EntryPointId( _expire.getEntryPointId() ) );
            Class<?> cls = ((ReteooRuleBase)inCtx.wm.getRuleBase()).getRootClassLoader().loadClass( _expire.getClassName() );
            ObjectTypeNode otn = epn.getObjectTypeNodes().get( new ClassObjectType( cls ) );
           
            TimerService clock = inCtx.wm.getTimerService();
           
            JobContext jobctx = new ExpireJobContext( new WorkingMemoryReteExpireAction(factHandle, otn),
                                                      inCtx.wm );
            JobHandle handle = clock.scheduleJob( job,
                                                  jobctx,
                                                  new PointInTimeTrigger( _expire.getNextFireTimestamp(),
                                                                          null,
                                                                          null ) );
            jobctx.setJobHandle( handle );
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                              LeftTupleSink sink,
                              InternalWorkingMemory wm,
                              LeftTupleSets srcLeftTuples,
                              LeftTupleSets trgLeftTuples) {
        Timer timer = timerNode.getTimer();
        TimerService timerService = wm.getTimerService();
        long timestamp = timerService.getCurrentTime();
        String[] calendarNames = timerNode.getCalendarNames();
        Calendars calendars = wm.getCalendars();

        for ( LeftTuple leftTuple = srcLeftTuples.getInsertFirst(); leftTuple != null; ) {
            LeftTuple next = leftTuple.getStagedNext();
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Related Classes of org.drools.core.time.TimerService

  • org.drools.core.phreak.PhreakTimerNode
  • org.drools.core.reteoo.ObjectTypeNode
  • org.drools.core.reteoo.ObjectTypeNode$ExpireJobContextTimerInputMarshaller
  • org.drools.core.rule.SlidingTimeWindow
  • org.drools.core.time.impl.JDKTimerServiceTest
  • org.drools.examples.broker.BrokerExample
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