Examples of org.drools.core.spi.Activation

org.drools.core.spi.Activation
When a Tuple fully matches a rule it is added to the Agenda As an Activation. Each Activation is assigned a number, this number is determined by the WorkingMemory all Activations created from a single insert, update, retract are assgigned the same Activation number.

                                      ProtobufMessages.BeliefSet _beliefSet) throws IOException,
                                                                            ClassNotFoundException {
        InternalFactHandle handle = (InternalFactHandle) context.handles.get( _beliefSet.getHandleId() );
        for ( ProtobufMessages.LogicalDependency _logicalDependency : _beliefSet.getLogicalDependencyList() ) {
            ProtobufMessages.Activation _activation = _logicalDependency.getActivation();
            Activation activation = (Activation) context.filter.getTuplesCache().get(
                                                                                      PersisterHelper.createActivationKey( _activation.getPackageName(),
                                                                                                                           _activation.getRuleName(),
                                                                                                                           _activation.getTuple() ) ).getObject();


            Object object = null;
            ObjectMarshallingStrategy strategy = null;
            if ( _logicalDependency.hasObjectStrategyIndex() ) {
                strategy = context.usedStrategies.get( _logicalDependency.getObjectStrategyIndex() );
                object = strategy.unmarshal( context.strategyContexts.get( strategy ),
                                             context,
                                             _logicalDependency.getObject().toByteArray(),
                                             (context.ruleBase == null) ? null : context.ruleBase.getRootClassLoader() );
            }


            Object value = null;
            if ( _logicalDependency.hasValueStrategyIndex() ) {
                strategy = context.usedStrategies.get( _logicalDependency.getValueStrategyIndex() );
                value = strategy.unmarshal( context.strategyContexts.get( strategy ),
                                            context,
                                            _logicalDependency.getValue().toByteArray(),
                                            (context.ruleBase == null) ? null : context.ruleBase.getRootClassLoader() );
            }


            ObjectTypeConf typeConf = context.wm.getObjectTypeConfigurationRegistry().getObjectTypeConf( ((NamedEntryPoint) handle.getEntryPoint()).getEntryPoint(),
                                                                                                         handle.getObject() );
            tms.readLogicalDependency( handle,
                                       object,
                                       value,
                                       activation,
                                       activation.getPropagationContext(),
                                       activation.getRule(),
                                       typeConf );
        }
    }

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        workingMemory.setGlobal( "map",
                                 map );


        final LeftTupleImpl tuple = new MockTuple( new HashMap() );
        tuple.setLeftTupleSink( new RuleTerminalNode(1, new CompositeObjectSinkAdapterTest.MockBetaNode(), rule,rule.getLhs(), 0,new BuildContext(ruleBase, null) )  );        
        final Activation activation = new MockActivation( rule,
                                                          0,
                                                          rule.getLhs(),
                                                          tuple );


        DefaultKnowledgeHelper knowledgeHelper = new org.drools.core.base.DefaultKnowledgeHelper( workingMemory );

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        workingMemory.setGlobal( "map",
                                 map );


        final LeftTupleImpl tuple = new MockTuple( new HashMap() );
        tuple.setLeftTupleSink( new RuleTerminalNode(1, new CompositeObjectSinkAdapterTest.MockBetaNode(), newRule,newRule.getLhs(), 0, new BuildContext(ruleBase, null) )  );
        final Activation activation = new MockActivation( newRule,
                                                          0,
                                                          newRule.getLhs(),
                                                          tuple );


        final DefaultKnowledgeHelper knowledgeHelper = new org.drools.core.base.DefaultKnowledgeHelper( workingMemory );

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        activationGroup.setTriggeredForRecency( this.workingMemory.getFactHandleFactory().getRecency() );


        for ( final Iterator it = activationGroup.iterator(); it.hasNext(); ) {
            final ActivationGroupNode node = (ActivationGroupNode) it.next();
            final Activation activation = node.getActivation();
            activation.setActivationGroupNode( null );


            if ( activation.isQueued() ) {
                activation.setQueued(false);
                activation.remove();


                if ( unlinkingEnabled ) {
                    RuleExecutor ruleExec = ((RuleTerminalNodeLeftTuple)activation).getRuleAgendaItem().getRuleExecutor();
                    ruleExec.removeLeftTuple((LeftTuple) activation);
                }

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        RuleFlowGroup systemRuleFlowGroup = this.getRuleFlowGroup( ruleflowGroupName );


        Match[] matches = ((InternalAgendaGroup)systemRuleFlowGroup).getActivations();
        for ( Match match : matches ) {
            Activation act = ( Activation ) match;
            if ( act.isRuleAgendaItem() ) {
                // The lazy RuleAgendaItem must be fully evaluated, to see if there is a rule match
                RuleAgendaItem ruleAgendaItem = (RuleAgendaItem) act;
                ruleAgendaItem.getRuleExecutor().evaluateNetwork(workingMemory);
                LeftTupleList list = ruleAgendaItem.getRuleExecutor().getLeftTupleList();
                for (RuleTerminalNodeLeftTuple lt = (RuleTerminalNodeLeftTuple) list.getFirst(); lt != null; lt = (RuleTerminalNodeLeftTuple) lt.getNext()) {
                    if ( ruleName.equals( lt.getRule().getName() ) ) {
                        if ( checkProcessInstance( lt, processInstanceId ) ) {
                            return true;
                        }
                    }
                }


            }   else {
                if ( ruleName.equals( act.getRule().getName() ) ) {
                    if ( checkProcessInstance( act, processInstanceId ) ) {
                        return true;
                    }
                }
            }

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        activationGroup.setTriggeredForRecency( this.workingMemory.getFactHandleFactory().getRecency() );


        for ( final Iterator it = activationGroup.iterator(); it.hasNext(); ) {
            final ActivationGroupNode node = (ActivationGroupNode) it.next();
            final Activation activation = node.getActivation();
            activation.setActivationGroupNode( null );


            if ( activation.isQueued() ) {
                activation.setQueued(false);
                activation.remove();


                RuleExecutor ruleExec = ((RuleTerminalNodeLeftTuple)activation).getRuleAgendaItem().getRuleExecutor();
                ruleExec.removeLeftTuple((LeftTuple) activation);
                eventsupport.getAgendaEventSupport().fireActivationCancelled( activation,
                                                                              this.workingMemory,

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        RuleFlowGroup systemRuleFlowGroup = this.getRuleFlowGroup( ruleflowGroupName );


        Match[] matches = ((InternalAgendaGroup)systemRuleFlowGroup).getActivations();
        for ( Match match : matches ) {
            Activation act = ( Activation ) match;
            if ( act.isRuleAgendaItem() ) {
                // The lazy RuleAgendaItem must be fully evaluated, to see if there is a rule match
                RuleAgendaItem ruleAgendaItem = (RuleAgendaItem) act;
                ruleAgendaItem.getRuleExecutor().evaluateNetwork(workingMemory);
                LeftTupleList list = ruleAgendaItem.getRuleExecutor().getLeftTupleList();
                for (RuleTerminalNodeLeftTuple lt = (RuleTerminalNodeLeftTuple) list.getFirst(); lt != null; lt = (RuleTerminalNodeLeftTuple) lt.getNext()) {
                    if ( ruleName.equals( lt.getRule().getName() ) ) {
                        if ( checkProcessInstance( lt, processInstanceId ) ) {
                            return true;
                        }
                    }
                }


            }   else {
                if ( ruleName.equals( act.getRule().getName() ) ) {
                    if ( checkProcessInstance( act, processInstanceId ) ) {
                        return true;
                    }
                }
            }

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        // or could be true due to lock-on-active blocking activation creation
        if ( obj == null || obj == Boolean.TRUE) {
            return;
        }


        Activation activation = (Activation) obj;
        activation.setMatched( false );


        InternalAgenda agenda = (InternalAgenda) workingMemory.getAgenda();


        agenda.cancelActivation( leftTuple,
                                 context,

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        activationGroup.setTriggeredForRecency( this.workingMemory.getFactHandleFactory().getRecency() );


        for ( final Iterator it = activationGroup.iterator(); it.hasNext(); ) {
            final ActivationGroupNode node = (ActivationGroupNode) it.next();
            final Activation activation = node.getActivation();
            activation.setActivationGroupNode( null );


            if ( activation.isQueued() ) {
                activation.setQueued(false);
                activation.remove();


                eventsupport.getAgendaEventSupport().fireActivationCancelled( activation,
                                                                              this.workingMemory,
                                                                              MatchCancelledCause.CLEAR );
            }

View Full Code Here


        RuleFlowGroup systemRuleFlowGroup = this.getRuleFlowGroup( ruleflowGroupName );


        Match[] matches = ((InternalAgendaGroup)systemRuleFlowGroup).getActivations();
        for ( Match match : matches ) {
            Activation act = ( Activation ) match;
            if ( ruleName.equals( act.getRule().getName() ) ) {
                if ( checkProcessInstance( act, processInstanceId ) ) {
                    return true;
                }
            }
        }

View Full Code Here

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Related Classes of org.drools.core.spi.Activation

org.drools.compiler.builder.impl.KnowledgeBuilderTest

org.drools.compiler.compiler.PackageBuilderTest

org.drools.compiler.integrationtests.ExecutionFlowControlTest

org.drools.core.common.ActivationIterator

org.drools.core.common.ActiveActivationIterator

org.drools.core.common.ArrayAgendaGroup

org.drools.core.common.DefaultAgenda

org.drools.core.common.RuleFlowGroupImpl

org.drools.core.marshalling.impl.ProtobufInputMarshaller

org.drools.core.phreak.PhreakRuleTerminalNode

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