Examples of org.drools.time.TimerService

org.drools.time.TimerService
An interface for all timer service implementations used in a drools session.

                                      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() ) {
                // JBRULES-2258 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 ) );
            } else {
                JobContext jobctx = new BehaviorJobContext( nodeId,
                                                            workingMemory,
                                                            stw,
                                                            memory,
                                                            context );
                JobHandle handle = clock.scheduleJob( job,
                                                      jobctx,
                                                      new PointInTimeTrigger( nextTimestamp, null, null ) );
                jobctx.setJobHandle( handle );
            }
        }

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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 EntryPoint( _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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        }
    }


    public void expireTuples(final Object context,
                             final InternalWorkingMemory workingMemory) {
        TimerService clock = workingMemory.getTimerService();
        long currentTime = clock.getCurrentTime();
        SlidingTimeWindowContext queue = (SlidingTimeWindowContext) context;
        RightTuple tuple = queue.queue.peek();
        while ( tuple != null && isExpired( currentTime,
                                            tuple ) ) {
            queue.expiringTuple = tuple;

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     * @param workingMemory
     */
    private void updateNextExpiration(final RightTuple rightTuple,
                                      final InternalWorkingMemory workingMemory,
                                      final Object context) {
        TimerService clock = workingMemory.getTimerService();
        if ( rightTuple != null ) {
            long nextTimestamp = ((EventFactHandle) rightTuple.getFactHandle()).getStartTimestamp() + this.size;
            JobContext jobctx = new BehaviorJobContext( workingMemory,
                                                        this,
                                                        context );
            JobHandle handle = clock.scheduleJob( job,
                                                  jobctx,
                                                  new PointInTimeTrigger( nextTimestamp, null, null ) );
            jobctx.setJobHandle( handle );
        }
    }

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        }
    }


    public void expireTuples(final Object context,
                             final InternalWorkingMemory workingMemory) {
        TimerService clock = workingMemory.getTimerService();
        long currentTime = clock.getCurrentTime();
        SlidingTimeWindowContext queue = (SlidingTimeWindowContext) context;
        RightTuple tuple = queue.queue.peek();
        while ( tuple != null && isExpired( currentTime,
                                            tuple ) ) {
            queue.expiringTuple = tuple;

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     * @param workingMemory
     */
    private void updateNextExpiration(final RightTuple rightTuple,
                                      final InternalWorkingMemory workingMemory,
                                      final Object context) {
        TimerService clock = workingMemory.getTimerService();
        if ( rightTuple != null ) {
            long nextTimestamp = ((EventFactHandle) rightTuple.getFactHandle()).getStartTimestamp() + this.size;
            JobContext jobctx = new BehaviorJobContext( workingMemory,
                                                        this,
                                                        context );
            BehaviorJob job = new BehaviorJob();
            JobHandle handle = clock.scheduleJob( job,
                                                  jobctx,
                                                  new PointInTimeTrigger( nextTimestamp ) );
            jobctx.setJobHandle( handle );
        }
    }

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        this.lock = new ReentrantLock();
        this.liaPropagations = Collections.EMPTY_LIST;
        this.processInstanceManager = config.getProcessInstanceManagerFactory().createProcessInstanceManager( this );
        this.timeMachine = new TimeMachine();


        TimerService timerService = TimerServiceFactory.getTimerService( this.config.getClockType() );
        this.timerManager = new TimerManager( this,
                                              timerService );
        this.signalManager = config.getSignalManagerFactory().createSignalManager( this );


        this.nodeMemories = new ConcurrentNodeMemories( this.ruleBase );

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        if ( this.expirationOffset >= 0 ) {
            // schedule expiration
            WorkingMemoryReteExpireAction expire = new WorkingMemoryReteExpireAction( factHandle,
                                                                                      this );
            TimerService clock = workingMemory.getTimerService();


            long nextTimestamp = Math.max( clock.getCurrentTime() + this.expirationOffset,
                                           ((EventFactHandle)factHandle).getStartTimestamp() + this.expirationOffset );
            JobContext jobctx = new ExpireJobContext( expire,
                                                      workingMemory );
            JobHandle handle = clock.scheduleJob( job,
                                                  jobctx,
                                                  new PointInTimeTrigger( nextTimestamp ) );
            jobctx.setJobHandle( handle );
        }

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Related Classes of org.drools.time.TimerService

org.drools.common.AbstractWorkingMemory

org.drools.examples.broker.BrokerExample

org.drools.examples.broker.Main

org.drools.reteoo.ObjectTypeNode

org.drools.reteoo.ObjectTypeNode$ExpireJobContextTimerInputMarshaller

org.drools.rule.SlidingTimeWindow

org.drools.time.impl.JDKTimerServiceTest

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