Package org.drools.core.spi

Examples of org.drools.core.spi.RuleFlowGroup

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     */
    public boolean isRuleInstanceAgendaItem(String ruleflowGroupName,
                                            String ruleName,
                                            long processInstanceId) {

        RuleFlowGroup systemRuleFlowGroup = this.getRuleFlowGroup( ruleflowGroupName );

        Match[] matches = ((InternalAgendaGroup)systemRuleFlowGroup).getActivations();
        for ( Match match : matches ) {
            Activation act = ( Activation ) match;
            if ( act.isRuleAgendaItem() ) {
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    public RuleFlowGroup getRuleFlowGroup(final String name) {
        if ( name == null || StringUtils.isEmpty( name ) ) {
            return null;
        }
        RuleFlowGroup ruleFlowGroup = this.ruleFlowGroups.get( name );
        if ( ruleFlowGroup == null ) {
            ruleFlowGroup = new RuleFlowGroupImpl( name );
            ((InternalRuleFlowGroup) ruleFlowGroup).setWorkingMemory( (InternalWorkingMemory) getWorkingMemory() );
            this.ruleFlowGroups.put( name,
                                     ruleFlowGroup );
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        }
        activationGroup.clear();
    }

    public void clearAndCancelRuleFlowGroup(final String name) {
        final RuleFlowGroup ruleFlowGrlup = this.ruleFlowGroups.get( name );
        if ( ruleFlowGrlup != null ) {
            clearAndCancelAndCancel( ruleFlowGrlup );
        }
    }
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     */
    public boolean isRuleInstanceAgendaItem(String ruleflowGroupName,
                                            String ruleName,
                                            long processInstanceId) {

        RuleFlowGroup systemRuleFlowGroup = this.getRuleFlowGroup( ruleflowGroupName );

        for ( ActivationNode aSystemRuleFlowGroup : systemRuleFlowGroup ) {
            Activation activation = aSystemRuleFlowGroup.getActivation();
            if ( ruleName.equals( activation.getRule().getName() ) ) {
                if ( checkProcessInstance( activation, processInstanceId ) ) {
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        }
        return activationGroup;
    }

    public RuleFlowGroup getRuleFlowGroup(final String name) {
        RuleFlowGroup ruleFlowGroup = this.ruleFlowGroups.get( name );
        if ( ruleFlowGroup == null ) {
            ruleFlowGroup = new RuleFlowGroupImpl( name );
            ((InternalRuleFlowGroup) ruleFlowGroup).setWorkingMemory( (InternalWorkingMemory) getWorkingMemory() );
            this.ruleFlowGroups.put( name,
                                     ruleFlowGroup );
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        }
        activationGroup.clear();
    }

    public void clearAndCancelRuleFlowGroup(final String name) {
        final RuleFlowGroup ruleFlowGrlup = this.ruleFlowGroups.get( name );
        if ( ruleFlowGrlup != null ) {
            clearAndCancelAndCancel( ruleFlowGrlup );
        }
    }
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     */
    public boolean isRuleActiveInRuleFlowGroup(String ruleflowGroupName,
                                               String ruleName,
                                               long processInstanceId) {

        RuleFlowGroup systemRuleFlowGroup = this.getRuleFlowGroup( ruleflowGroupName );

        for (ActivationNode aSystemRuleFlowGroup : systemRuleFlowGroup) {
            Activation activation = aSystemRuleFlowGroup.getActivation();
            if (ruleName.equals(activation.getRule().getName())) {
                if (checkProcessInstance(activation, processInstanceId)) {
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                                                                                 PropagationContext.INSERTION,
                                                                                 rule0,
                                                                                 null,
                                                                                 new DefaultFactHandle());

        final RuleFlowGroup ruleFlowGroup0 = agenda.getRuleFlowGroup("rule-flow-group-0");
        final RuleFlowGroup ruleFlowGroup1 = agenda.getRuleFlowGroup("rule-flow-group-1");
        final RuleFlowGroup ruleFlowGroup2 = agenda.getRuleFlowGroup("rule-flow-group-2");

        final RuleTerminalNodeLeftTuple tuple0 = new RuleTerminalNodeLeftTuple(new DefaultFactHandle(1,
                                                                                                     "cheese"),
                                                                               node0,
                                                                               true);
        node0.assertLeftTuple(tuple0,
                              context0,
                              ksession);

        final RuleTerminalNodeLeftTuple tuple1 = new RuleTerminalNodeLeftTuple(new DefaultFactHandle(1,
                                                                                                     "cheese"),
                                                                               node1,
                                                                               true);
        node0.assertLeftTuple(tuple1,
                              context0,
                              ksession);

        final RuleTerminalNodeLeftTuple tuple2 = new RuleTerminalNodeLeftTuple(new DefaultFactHandle(1,
                                                                                                     "cheese"),
                                                                               node2,
                                                                               true);
        node1.assertLeftTuple(tuple2,
                              context0,
                              ksession);

        final RuleTerminalNodeLeftTuple tuple3 = new RuleTerminalNodeLeftTuple(new DefaultFactHandle(1,
                                                                                                     "cheese"),
                                                                               node0,
                                                                               true);
        node2.assertLeftTuple(tuple3,
                              context0,
                              ksession);
        agenda.unstageActivations();

        assertEquals(2,
                     ruleFlowGroup0.size());
        assertEquals(1,
                     ruleFlowGroup1.size());
        assertEquals(1,
                     ruleFlowGroup2.size());
        assertEquals(4,
                     agenda.agendaSize());

        // Activate the RuleFlowGroup, the nodes stay in the group, but should now also be in the Agenda
        agenda.activateRuleFlowGroup("rule-flow-group-0");
        assertEquals(2,
                     ruleFlowGroup0.size());
        assertEquals(4,
                     agenda.agendaSize());

        // As we fire each rule they are removed from both the Agenda and the RuleFlowGroup
        agenda.fireNextItem(null, 0, -1);
        assertEquals(1,
                     ruleFlowGroup0.size());
        assertEquals(3,
                     agenda.agendaSize());

        // After firing all activations of RuleFlowGroup 0, the agenda is empty
        agenda.fireNextItem(null, 0, -1);
        assertEquals(0,
                     ruleFlowGroup0.size());
        assertEquals(2,
                     agenda.agendaSize());

        // Now we activate two RuleFlowGroups together
        // All their activations should be added to the agenda.
        agenda.activateRuleFlowGroup("rule-flow-group-1");
        agenda.activateRuleFlowGroup("rule-flow-group-2");
        assertEquals(1,
                     ruleFlowGroup1.size());
        assertEquals(1,
                     ruleFlowGroup2.size());
        assertEquals(2,
                     agenda.agendaSize());

        // we set the salience higher on rule2, so it sould fire first and empty ruleFlowGroup2
        agenda.fireNextItem(null, 0, -1);
        assertEquals(1,
                     ruleFlowGroup1.size());
        assertEquals(0,
                     ruleFlowGroup2.size());
        assertEquals(1,
                     agenda.agendaSize());

        // this is the last activation, so everything should be empty after this
        agenda.fireNextItem(null, 0, -1);
        assertEquals(0,
                     ruleFlowGroup0.size());
        assertEquals(0,
                     ruleFlowGroup1.size());
        assertEquals(0,
                     ruleFlowGroup2.size());
        assertEquals(0,
                     agenda.agendaSize());
    }
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                                                            rule0,
                                                            rule0.getLhs(),
                                                            0,
                                                            buildContext);

        final RuleFlowGroup ruleFlowGroup0 = agenda.getRuleFlowGroup("rule-flow-group-0");

        // Create one activation for rule0 only
        final RuleTerminalNodeLeftTuple tuple0 = new RuleTerminalNodeLeftTuple(new DefaultFactHandle(1,
                                                                                                     "cheese"),
                                                                               node0,
                                                                               true);
        node0.assertLeftTuple(tuple0,
                              context0,
                              ksession);
        agenda.unstageActivations();

        // RuleFlowGroup should be populated, but the agenda shouldn't be
        assertEquals(1,
                     ruleFlowGroup0.size());

        // Activate the RuleFlowGroup, the activation stays in the group, but should now also be in the Agenda
        agenda.activateRuleFlowGroup("rule-flow-group-0");
        assertEquals(1,
                     ruleFlowGroup0.size());

        // As we fire the rule, an new activation is created for rule1, and it should be added to group AND the agenda.
        agenda.fireNextItem(null, 0, -1);
        assertEquals(1,
                     ruleFlowGroup0.size());

        // After firing all activations of RuleFlowGroup 0, the agenda is empty
        agenda.fireNextItem(null, 0, -1);
        assertEquals(0,
                     ruleFlowGroup0.size());
        assertEquals(0,
                     agenda.agendaSize());
    }
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                                                            rule0,
                                                            rule0.getLhs(),
                                                            0,
                                                            buildContext);

        final RuleFlowGroup ruleFlowGroup0 = agenda.getRuleFlowGroup("rule-flow-group-0");

        // Create an activation for both rules
        final RuleTerminalNodeLeftTuple tuple0 = new RuleTerminalNodeLeftTuple(new DefaultFactHandle(1,
                                                                                                     "cheese"),
                                                                               node0,
                                                                               true);
        node0.assertLeftTuple(tuple0,
                              context0,
                              ksession);

        node1.assertLeftTuple(tuple1,
                              context0,
                              ksession);
        agenda.unstageActivations();

        // RuleFlowGroup should be populated
        assertEquals(2,
                     ruleFlowGroup0.size());

        // Activate the RuleFlowGroup, the activations stay in the group, but should now also be in the Agenda
        agenda.activateRuleFlowGroup("rule-flow-group-0");
        assertEquals(2,
                     ruleFlowGroup0.size());

        // As we fire the rule, rule0 should execute first, as it has higher salience.
        // Rule0 should deactivate rule1 as well, so the everything should be empty
        agenda.fireNextItem(null, 0, -1);
        assertEquals(0,
                     ruleFlowGroup0.size());

        agenda.fireNextItem(null, 0, -1);
        assertEquals(0,
                     ruleFlowGroup0.size());

    }
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Related Classes of org.drools.core.spi.RuleFlowGroup

  • org.drools.core.common.DefaultAgenda
  • org.drools.reteoo.common.AgendaTest
  • org.drools.reteoo.common.ReteAgenda
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