Package org.drools.common

Examples of org.drools.common.AgendaItem

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            }
        }
    }

    public void unblockAllActivations(org.drools.runtime.rule.Activation act) {
        AgendaItem targetMatch = ( AgendaItem ) act;
        boolean wasBlocked = (targetMatch.getBlockers() != null && !targetMatch.getBlockers().isEmpty() );

        for ( LinkedListEntry entry = ( LinkedListEntry ) targetMatch.getBlockers().getFirst(); entry != null;  ) {
            LinkedListEntry tmp = ( LinkedListEntry ) entry.getNext();
            LogicalDependency dep = ( LogicalDependency ) entry.getObject();
            ((AgendaItem)dep.getJustifier()).removeBlocked( dep );
            entry = tmp;
        }
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        if ( this.previousBlocked != null ) {
            for ( LogicalDependency dep = this.previousBlocked.getFirst(); dep != null; ) {
                LogicalDependency tmp = dep.getNext();
                this.previousBlocked.remove( dep );

                AgendaItem justified = ( AgendaItem ) dep.getJustified();
                justified.getBlockers().remove( dep.getJustifierEntry() );
                if (justified.getBlockers().isEmpty() ) {
                    // the match is no longer blocked, so stage it
                    ((DefaultAgenda)workingMemory.getAgenda()).getStageActivationsGroup().addActivation( justified );
                }
                dep = tmp;
            }
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            }
        }
    }

    public void cancelActivation(org.drools.runtime.rule.Activation act) {
        AgendaItem match = ( AgendaItem ) act;
        match.cancel();
        if ( match.isActive() ) {
            LeftTuple leftTuple = match.getTuple();
            leftTuple.getLeftTupleSink().retractLeftTuple( leftTuple, (PropagationContext) act.getPropagationContext(), workingMemory );
        }
    }
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        RuleTerminalNode ruleTerminalNode = (RuleTerminalNode) leftTuple.getLeftTupleSink();
        GroupElement subRule = ruleTerminalNode.getSubRule();

        PropagationContext pc = context.propagationContexts.get( stream.readLong() );

        AgendaItem activation = new AgendaItem( activationNumber,
                                                leftTuple,
                                                salience,
                                                pc,
                                                rule,
                                                subRule );

        leftTuple.setActivation( activation );

        if ( stream.readBoolean() ) {
            String activationGroupName = stream.readUTF();
            ((DefaultAgenda) wm.getAgenda()).getActivationGroup( activationGroupName ).addActivation( activation );
        }

        boolean activated = stream.readBoolean();
        activation.setActivated( activated );

        InternalAgendaGroup agendaGroup;
        if ( rule.getAgendaGroup() == null || rule.getAgendaGroup().equals( "" ) || rule.getAgendaGroup().equals( AgendaGroup.MAIN ) ) {
            // Is the Rule AgendaGroup undefined? If it is use MAIN,
            // which is added to the Agenda by default
            agendaGroup = (InternalAgendaGroup) ((DefaultAgenda) wm.getAgenda()).getAgendaGroup( AgendaGroup.MAIN );
        } else {
            // AgendaGroup is defined, so try and get the AgendaGroup
            // from the Agenda
            agendaGroup = (InternalAgendaGroup) ((DefaultAgenda) wm.getAgenda()).getAgendaGroup( rule.getAgendaGroup() );
        }

        activation.setAgendaGroup( agendaGroup );

        if ( activated ) {
            if ( rule.getRuleFlowGroup() == null ) {
                agendaGroup.add( activation );
            } else {
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            // Lazy instantiation and addition to the Agenda of AgendGroup
            // implementations
            // ----------------
            final TerminalNodeMemory memory = (TerminalNodeMemory) workingMemory.getNodeMemory( this );

            final AgendaItem item = new AgendaItem( context.getPropagationNumber(),
                                                    cloned,
                                                    rule.getSalience().getValue( tuple,
                                                                                 workingMemory ),
                                                    context,
                                                    this.rule,
                                                    this.subrule );

            item.setSequenence( this.sequence );

            tuple.setActivation( item );
            memory.getTupleMemory().add( tuple );
           
            boolean added = agenda.addActivation( item );

            item.setActivated( added );

            // We only want to fire an event on a truly new Activation and not on an Activation as a result of a modify
            if ( added && fireActivationCreated ) {
                ((EventSupport) workingMemory).getAgendaEventSupport().fireActivationCreated( item,
                                                                                              workingMemory );
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        RuleTerminalNode ruleTerminalNode = (RuleTerminalNode) leftTuple.getLeftTupleSink();

        PropagationContext pc = context.propagationContexts.get( stream.readLong() );

        AgendaItem activation;

        boolean scheduled = false;
        if (rule.getTimer() != null) {
            activation = new ScheduledAgendaItem( activationNumber,
                                                  leftTuple,
                                                  (InternalAgenda) wm.getAgenda(),
                                                  pc,
                                                  ruleTerminalNode );
            scheduled = true;
        } else {
            activation = new AgendaItem( activationNumber,
                                         leftTuple,
                                         salience,
                                         pc,
                                         ruleTerminalNode );
        }
        leftTuple.setObject( activation );

        if (stream.readBoolean()) {
            String activationGroupName = stream.readUTF();
            ( (DefaultAgenda) wm.getAgenda() ).getActivationGroup( activationGroupName ).addActivation( activation );
        }

        boolean activated = stream.readBoolean();
        activation.setActivated( activated );

        if (stream.readBoolean()) {
            InternalFactHandle handle = context.handles.get( stream.readInt() );
            activation.setFactHandle( handle );
            handle.setObject( activation );
        }

        InternalAgendaGroup agendaGroup;
        if (rule.getAgendaGroup() == null || rule.getAgendaGroup().equals( "" ) ||
            rule.getAgendaGroup().equals( AgendaGroup.MAIN )) {
            // Is the Rule AgendaGroup undefined? If it is use MAIN,
            // which is added to the Agenda by default
            agendaGroup = (InternalAgendaGroup) ( (DefaultAgenda) wm.getAgenda() ).getAgendaGroup( AgendaGroup.MAIN );
        } else {
            // AgendaGroup is defined, so try and get the AgendaGroup
            // from the Agenda
            agendaGroup = (InternalAgendaGroup) ( (DefaultAgenda) wm.getAgenda() ).getAgendaGroup( rule.getAgendaGroup() );
        }

        activation.setAgendaGroup( agendaGroup );

        if (!scheduled && activated) {
            if (rule.getRuleFlowGroup() == null) {
                agendaGroup.add( activation );
            } else {
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      InternalAgenda agenda = (InternalAgenda) workingMemory.getAgenda();
     
        // we need the inserted facthandle so we can update the network with new Activation
      Object o = leftTuple.getObject();
      if ( o != Boolean.TRUE) {  // would be true due to lock-on-active blocking activation creation
        AgendaItem match = (AgendaItem) o;      
          if ( match != null && match.isActivated() ) {
              // already activated, do nothing
              // although we need to notify the inserted Activation, as it's declarations may have changed.
              agenda.modifyActivation( match, true );
              return;
          }
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        RuleTerminalNode ruleTerminalNode = (RuleTerminalNode) leftTuple.getLeftTupleSink();
        GroupElement subRule = ruleTerminalNode.getSubRule();

        PropagationContext pc = context.propagationContexts.get( stream.readLong() );

        AgendaItem activation = new AgendaItem( activationNumber,
                                                leftTuple,
                                                salience,
                                                pc,
                                                rule,
                                                subRule );

        leftTuple.setObject( activation );

        if ( stream.readBoolean() ) {
            String activationGroupName = stream.readUTF();
            ((DefaultAgenda) wm.getAgenda()).getActivationGroup( activationGroupName ).addActivation( activation );
        }

        boolean activated = stream.readBoolean();
        activation.setActivated( activated );

        InternalAgendaGroup agendaGroup;
        if ( rule.getAgendaGroup() == null || rule.getAgendaGroup().equals( "" ) || rule.getAgendaGroup().equals( AgendaGroup.MAIN ) ) {
            // Is the Rule AgendaGroup undefined? If it is use MAIN,
            // which is added to the Agenda by default
            agendaGroup = (InternalAgendaGroup) ((DefaultAgenda) wm.getAgenda()).getAgendaGroup( AgendaGroup.MAIN );
        } else {
            // AgendaGroup is defined, so try and get the AgendaGroup
            // from the Agenda
            agendaGroup = (InternalAgendaGroup) ((DefaultAgenda) wm.getAgenda()).getAgendaGroup( rule.getAgendaGroup() );
        }

        activation.setAgendaGroup( agendaGroup );

        if ( activated ) {
            if ( rule.getRuleFlowGroup() == null ) {
                agendaGroup.add( activation );
            } else {
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      InternalAgenda agenda = (InternalAgenda) workingMemory.getAgenda();
     
        // we need the inserted facthandle so we can update the network with new Activation
      Object o = leftTuple.getObject();
      if ( o != Boolean.TRUE) {  // would be true due to lock-on-active blocking activation creation
        AgendaItem match = (AgendaItem) o;      
          if ( match != null && match.isActivated() ) {
              // already activated, do nothing
              // although we need to notify the inserted Activation, as it's declarations may have changed.
              agenda.modifyActivation( match, true );
              return;
          }
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        RuleTerminalNode ruleTerminalNode = (RuleTerminalNode) leftTuple.getLeftTupleSink();

        PropagationContext pc = context.propagationContexts.get( stream.readLong() );

        AgendaItem activation;

        boolean scheduled = false;
        if (rule.getTimer() != null) {
            activation = new ScheduledAgendaItem( activationNumber,
                                                  leftTuple,
                                                  (InternalAgenda) wm.getAgenda(),
                                                  pc,
                                                  ruleTerminalNode );
            scheduled = true;
        } else {
            activation = new AgendaItem( activationNumber,
                                         leftTuple,
                                         salience,
                                         pc,
                                         ruleTerminalNode );
        }
        leftTuple.setObject( activation );

        if (stream.readBoolean()) {
            String activationGroupName = stream.readUTF();
            ( (DefaultAgenda) wm.getAgenda() ).getActivationGroup( activationGroupName ).addActivation( activation );
        }

        boolean activated = stream.readBoolean();
        activation.setActivated( activated );

        if (stream.readBoolean()) {
            InternalFactHandle handle = context.handles.get( stream.readInt() );
            activation.setFactHandle( handle );
            handle.setObject( activation );
        }

        InternalAgendaGroup agendaGroup;
        if (rule.getAgendaGroup() == null || rule.getAgendaGroup().equals( "" ) ||
            rule.getAgendaGroup().equals( AgendaGroup.MAIN )) {
            // Is the Rule AgendaGroup undefined? If it is use MAIN,
            // which is added to the Agenda by default
            agendaGroup = (InternalAgendaGroup) ( (DefaultAgenda) wm.getAgenda() ).getAgendaGroup( AgendaGroup.MAIN );
        } else {
            // AgendaGroup is defined, so try and get the AgendaGroup
            // from the Agenda
            agendaGroup = (InternalAgendaGroup) ( (DefaultAgenda) wm.getAgenda() ).getAgendaGroup( rule.getAgendaGroup() );
        }

        activation.setAgendaGroup( agendaGroup );

        if (!scheduled && activated) {
            if (rule.getRuleFlowGroup() == null) {
                agendaGroup.add( activation );
            } else {
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Related Classes of org.drools.common.AgendaItem

  • org.drools.base.DefaultKnowledgeHelper
  • org.drools.base.mvel.ActivationPropertyHandler
  • org.drools.core.util.LinkedList
  • org.drools.marshalling.impl.InputMarshaller
  • org.drools.marshalling.InputMarshaller
  • org.drools.reteoo.AgendaTest
  • org.drools.reteoo.RuleTerminalNode
  • org.drools.rule.builder.dialect.mvel.MVELConsequenceBuilderTest
  • org.drools.rule.builder.dialect.mvel.MVELSalienceBuilderTest
  • org.drools.rule.builder.dialect.mvel.MVELSalienceBuilderTest$SalienceEvaluator
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