Examples of org.drools.reteoo.WindowNode

org.drools.reteoo.WindowNode
WindowNodes are nodes in the Rete network used to manage windows. They support multiple types of windows, like sliding windows, tumbling windows, etc. This class must act as a lock-gate for all working memory actions on it and propagated down the network in this branch, as there can be concurrent threads propagating events and expiring events working on this node at the same time. It requires it to be thread safe.

            this.context = context;
        }


        public BehaviorExpireWMAction(MarshallerReaderContext inCtx) throws IOException {
            int sinkId = inCtx.readInt();
            WindowNode windowNode = (WindowNode) inCtx.sinks.get( sinkId );
            
            memory = (WindowMemory) inCtx.wm.getNodeMemory( windowNode );       
            
            Object[] behaviorContext = ( Object[]  ) memory.behaviorContext;
            
            int i = inCtx.readInt();
            
            this.behavior = (SlidingTimeWindow) windowNode.getBehaviors()[i];
            this.context =  ( SlidingTimeWindowContext ) behaviorContext[i];           
        }

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        }
        
        public BehaviorExpireWMAction(MarshallerReaderContext context,
                                      Action _action) {
            int sinkId =_action.getBehaviorExpire().getNodeId();
            WindowNode windowNode = (WindowNode) context.sinks.get( sinkId );
            
            memory = (WindowMemory) context.wm.getNodeMemory( windowNode );       
            
            Object[] behaviorContext = ( Object[]  ) memory.behaviorContext;
            
            int i = 0; //  <==== this needs fixing
            
            this.behavior = (SlidingTimeWindow) windowNode.getBehaviors()[i];
            this.context =  ( SlidingTimeWindowContext ) behaviorContext[i];           
        }

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    }
    
    public static class BehaviorJobContextTimerInputMarshaller implements TimersInputMarshaller {
        public void read(MarshallerReaderContext inCtx) throws IOException, ClassNotFoundException {
            int sinkId = inCtx.readInt();
            WindowNode windowNode = (WindowNode) inCtx.sinks.get( sinkId );
            
            WindowMemory memory = (WindowMemory) inCtx.wm.getNodeMemory( windowNode );       
            
            Object[] behaviorContext = ( Object[]  ) memory.behaviorContext;

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            this.context = context;
        }


        public BehaviorExpireWMAction(MarshallerReaderContext inCtx) throws IOException {
            int sinkId = inCtx.readInt();
            WindowNode windowNode = (WindowNode) inCtx.sinks.get( sinkId );
            
            memory = (WindowMemory) inCtx.wm.getNodeMemory( windowNode );       
            
            Object[] behaviorContext = ( Object[]  ) memory.behaviorContext;
            
            int i = inCtx.readInt();
            
            this.behavior = (SlidingTimeWindow) windowNode.getBehaviors()[i];
            this.context =  ( SlidingTimeWindowContext ) behaviorContext[i];           
        }

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        }
        
        public BehaviorExpireWMAction(MarshallerReaderContext context,
                                      Action _action) {
            int sinkId =_action.getBehaviorExpire().getNodeId();
            WindowNode windowNode = (WindowNode) context.sinks.get( sinkId );
            
            memory = (WindowMemory) context.wm.getNodeMemory( windowNode );       
            
            Object[] behaviorContext = ( Object[]  ) memory.behaviorContext;
            
            int i = 0; //  <==== this needs fixing
            
            this.behavior = (SlidingTimeWindow) windowNode.getBehaviors()[i];
            this.context =  ( SlidingTimeWindowContext ) behaviorContext[i];           
        }

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                                  pattern );
        }
        
        if( ! behaviors.isEmpty() ) {
            // build the window node:
            WindowNode wn = new WindowNode( context.getNextId(),
                                            alphaConstraints,
                                            behaviors,
                                            context.getObjectSource(),
                                            context );
            context.setObjectSource( (WindowNode) utils.attachNode( context,

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                                  pattern );
        }
        
        if( ! behaviors.isEmpty() ) {
            // build the window node:
            WindowNode wn = new WindowNode( context.getNextId(),
                                            alphaConstraints,
                                            behaviors,
                                            context.getObjectSource(),
                                            context );
            context.setObjectSource( (WindowNode) utils.attachNode( context,

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        // builds and attach
        builder.build( context,
                       this.utils,
                       window );
        
        WindowNode wnode = (WindowNode) context.getObjectSource();
        
        return wnode;
    }

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    }
    
    public static class BehaviorJobContextTimerInputMarshaller implements TimersInputMarshaller {
        public void read(MarshallerReaderContext inCtx) throws IOException, ClassNotFoundException {
            int sinkId = inCtx.readInt();
            WindowNode windowNode = (WindowNode) inCtx.sinks.get( sinkId );
            
            WindowMemory memory = (WindowMemory) inCtx.wm.getNodeMemory( windowNode );       
            
            Object[] behaviorContext = ( Object[]  ) memory.behaviorContext;

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            this.context = context;
        }


        public BehaviorExpireWMAction(MarshallerReaderContext inCtx) throws IOException {
            int sinkId = inCtx.readInt();
            WindowNode windowNode = (WindowNode) inCtx.sinks.get( sinkId );
            
            memory = (WindowMemory) inCtx.wm.getNodeMemory( windowNode );       
            
            Object[] behaviorContext = ( Object[]  ) memory.behaviorContext;
            
            int i = inCtx.readInt();
            
            this.behavior = (SlidingTimeWindow) windowNode.getBehaviors()[i];
            this.context =  ( SlidingTimeWindowContext ) behaviorContext[i];           
        }

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Related Classes of org.drools.reteoo.WindowNode

org.drools.common.InternalWorkingMemory

org.drools.common.PropagationContextImpl

org.drools.core.util.Iterator

org.drools.marshalling.impl.RuleBaseNodes

org.drools.reteoo.builder.PatternBuilder

org.drools.reteoo.builder.ReteooRuleBuilder

org.drools.reteoo.builder.WindowReferenceBuilder

org.drools.rule.BehaviorManager

org.drools.rule.SlidingTimeWindow$BehaviorExpireWMAction

org.drools.rule.SlidingTimeWindow$BehaviorJobContextTimerInputMarshaller

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