Package org.drools.core.reteoo

Examples of org.drools.core.reteoo.ReteooWorkingMemoryInterface

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    public void testPopulatedSingleRuleNoSharing() throws Exception {
        KieBaseConfiguration kconf = ( KieBaseConfiguration ) KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
        kconf.setOption( RuleEngineOption.PHREAK );

        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase(kconf);
        ReteooWorkingMemoryInterface wm = ((StatefulKnowledgeSessionImpl)kbase.newStatefulKnowledgeSession()).session;

        wm.insert(new A(1));
        wm.insert(new B(1));
        wm.insert(new C(1));
        wm.insert(new C(2));
        wm.insert(new D(1));
        wm.insert(new E(1));

        wm.fireAllRules();


        kbase.addKnowledgePackages( buildKnowledgePackage("r1", "   A() B() C(object == 2) D() E()\n") );
        List list = new ArrayList();
        wm.setGlobal("list", list);

        ObjectTypeNode aotn = getObjectTypeNode(kbase, A.class );
        LeftInputAdapterNode liaNode = (LeftInputAdapterNode) aotn.getSinkPropagator().getSinks()[0];

        LiaNodeMemory lm = ( LiaNodeMemory ) wm.getNodeMemory(liaNode);
        SegmentMemory sm = lm.getSegmentMemory();
        assertEquals(1, sm.getStagedLeftTuples().insertSize());

        wm.fireAllRules();

        BetaMemory bMem = ( BetaMemory ) sm.getNodeMemories().get(1);
        assertEquals( 1, bMem.getLeftTupleMemory().size() );
        assertEquals( 1, bMem.getRightTupleMemory().size() );

        BetaMemory eMem = ( BetaMemory ) sm.getNodeMemories().get(4);
        assertEquals( 1, eMem.getLeftTupleMemory().size() );
        assertEquals( 1, eMem.getRightTupleMemory().size() );

        NodeMemories nms = wm.getNodeMemories();
        assertEquals( 13, countNodeMemories(nms));

        assertEquals(0, sm.getStagedLeftTuples().insertSize());
        assertEquals(1, list.size() );
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    public void testPopulatedSingleRuleNoSharingWithSubnetworkAtStart() throws Exception {
        KieBaseConfiguration kconf = ( KieBaseConfiguration ) KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
        kconf.setOption( RuleEngineOption.PHREAK );

        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase(kconf);
        ReteooWorkingMemoryInterface wm = ((StatefulKnowledgeSessionImpl)kbase.newStatefulKnowledgeSession()).session;

        wm.insert(new A(1));
        wm.insert(new A(2));
        wm.insert(new D(1));
        wm.insert(new E(1));

        wm.insert(new C(2));
        wm.fireAllRules();


        kbase.addKnowledgePackages( buildKnowledgePackage("r1", "   A() not( B() and C() ) D() E()\n") );
        List list = new ArrayList();
        wm.setGlobal("list", list);

        ObjectTypeNode aotn = getObjectTypeNode(kbase, A.class );
        LeftInputAdapterNode liaNode = (LeftInputAdapterNode) aotn.getSinkPropagator().getSinks()[0];

        LiaNodeMemory lm = ( LiaNodeMemory ) wm.getNodeMemory(liaNode);
        SegmentMemory sm = lm.getSegmentMemory();
        SegmentMemory subSm = sm.getFirst();
        SegmentMemory mainSm = subSm.getNext();

        wm.fireAllRules();
        assertEquals(2, list.size() );
        assertEquals( "r1", ((Match)list.get(0)).getRule().getName() );
        assertEquals( "r1", ((Match)list.get(1)).getRule().getName() );


        kbase.removeRule("org.kie", "r1");
        wm.insert(new A(1));
        wm.fireAllRules();
        assertEquals(2, list.size() );
    }
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    @Test
    public void testPopulatedRuleMidwayShare() throws Exception {
        KnowledgeBase kbase1 = buildKnowledgeBase("r1", "   A() B() C(1;) D() E()\n");

        ReteooWorkingMemoryInterface wm = ((StatefulKnowledgeSessionImpl)kbase1.newStatefulKnowledgeSession()).session;
        List list = new ArrayList();
        wm.setGlobal("list", list);

        wm.insert(new A(1));
        wm.insert(new A(2));
        wm.insert(new A(3));
        wm.insert(new B(1));
        wm.insert(new C(1));
        wm.insert(new C(2));
        wm.insert(new D(1));
        wm.insert(new E(1));
        wm.fireAllRules();

        assertEquals( 13, countNodeMemories(wm.getNodeMemories()));

        kbase1.addKnowledgePackages( buildKnowledgePackage("r2", "   a : A() B() C(2;) D() E()\n") );
        wm.fireAllRules();

        ObjectTypeNode aotn = getObjectTypeNode(kbase1, A.class );
        LeftInputAdapterNode liaNode = (LeftInputAdapterNode) aotn.getSinkPropagator().getSinks()[0];
        JoinNode bNode = (JoinNode) liaNode.getSinkPropagator().getFirstLeftTupleSink();

        JoinNode c1Node = (JoinNode) bNode.getSinkPropagator().getFirstLeftTupleSink();
        JoinNode c2Node = (JoinNode) bNode.getSinkPropagator().getLastLeftTupleSink();

        LiaNodeMemory lm = ( LiaNodeMemory ) wm.getNodeMemory(liaNode);
        SegmentMemory sm = lm.getSegmentMemory();

        BetaMemory c1Mem = ( BetaMemory ) wm.getNodeMemory(c1Node);
        assertSame( sm.getFirst(), c1Mem.getSegmentMemory());
        assertEquals( 3, c1Mem.getLeftTupleMemory().size() );
        assertEquals( 1, c1Mem.getRightTupleMemory().size() );

        BetaMemory c2Mem = ( BetaMemory ) wm.getNodeMemory(c2Node);
        SegmentMemory c2Smem =  sm.getFirst().getNext();
        assertSame( c2Smem, c2Mem.getSegmentMemory());
        assertEquals( 3, c2Mem.getLeftTupleMemory().size() );
        assertEquals( 1, c2Mem.getRightTupleMemory().size() );
        assertEquals(6, list.size() );


        kbase1.removeRule("org.kie", "r2");
        assertEquals( 13, countNodeMemories(wm.getNodeMemories()));

        assertNull( sm.getFirst());

        assertEquals( 0, c2Mem.getLeftTupleMemory().size() );
        assertEquals( 0, c2Mem.getRightTupleMemory().size() );

        assertSame( sm, c1Mem.getSegmentMemory()); // c1SMem repoints back to original Smem

        wm.insert(new A(1));
        wm.fireAllRules();

        assertEquals( "r1", ((Match)list.get(6)).getRule().getName() );
        assertEquals(7, list.size() ); // only one more added, as second rule as removed
    }
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    @Test
    public void testPopulatedRuleWithEvals() throws Exception {
        KnowledgeBase kbase1 = buildKnowledgeBase("r1", "   a:A() B() eval(1==1) eval(1==1) C(1;) \n");

        ReteooWorkingMemoryInterface wm = ((StatefulKnowledgeSessionImpl)kbase1.newStatefulKnowledgeSession()).session;
        List list = new ArrayList();
        wm.setGlobal("list", list);

        wm.insert(new A(1));
        wm.insert(new A(2));
        wm.insert(new A(3));
        wm.insert(new B(1));
        wm.insert(new C(1));
        wm.insert(new C(2));
        wm.insert(new D(1));
        wm.insert(new E(1));
        wm.fireAllRules();

        assertEquals( 13, countNodeMemories(wm.getNodeMemories()));

        kbase1.addKnowledgePackages( buildKnowledgePackage("r2", "   a:A() B() eval(1==1) eval(1==1) C(2;) \n") );
        wm.fireAllRules();

        ObjectTypeNode aotn = getObjectTypeNode(kbase1, A.class );
        LeftInputAdapterNode liaNode = (LeftInputAdapterNode) aotn.getSinkPropagator().getSinks()[0];
        JoinNode bNode = (JoinNode) liaNode.getSinkPropagator().getFirstLeftTupleSink();

        EvalConditionNode e1 = (EvalConditionNode) bNode.getSinkPropagator().getFirstLeftTupleSink();
        EvalConditionNode e2 = (EvalConditionNode) e1.getSinkPropagator().getFirstLeftTupleSink();

        JoinNode c1Node = (JoinNode) e2.getSinkPropagator().getFirstLeftTupleSink();
        JoinNode c2Node = (JoinNode) e2.getSinkPropagator().getLastLeftTupleSink();

        LiaNodeMemory lm = ( LiaNodeMemory ) wm.getNodeMemory(liaNode);
        SegmentMemory sm = lm.getSegmentMemory();

        BetaMemory c1Mem = ( BetaMemory ) wm.getNodeMemory(c1Node);
        assertSame( sm.getFirst(), c1Mem.getSegmentMemory());
        assertEquals( 3, c1Mem.getLeftTupleMemory().size() );
        assertEquals( 1, c1Mem.getRightTupleMemory().size() );

        BetaMemory c2Mem = ( BetaMemory ) wm.getNodeMemory(c2Node);
        SegmentMemory c2Smem =  sm.getFirst().getNext();
        assertSame( c2Smem, c2Mem.getSegmentMemory());
        assertEquals( 3, c2Mem.getLeftTupleMemory().size() );
        assertEquals( 1, c2Mem.getRightTupleMemory().size() );
        assertEquals(6, list.size() );


        kbase1.removeRule("org.kie", "r2");
        assertEquals( 13, countNodeMemories(wm.getNodeMemories()));

        assertNull( sm.getFirst());

        assertEquals( 0, c2Mem.getLeftTupleMemory().size() );
        assertEquals( 0, c2Mem.getRightTupleMemory().size() );

        assertSame( sm, c1Mem.getSegmentMemory()); // c1SMem repoints back to original Smem

        wm.insert(new A(1));
        wm.fireAllRules();

        assertEquals( "r1", ((Match)list.get(6)).getRule().getName() );
        assertEquals(7, list.size() ); // only one more added, as second rule as removed
    }
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    }

    @Test
    public void testPopulatedSharedLiaNode() throws Exception {
        KnowledgeBase kbase1 = buildKnowledgeBase("r1", "   A() B(1;) C() D() E()\n");
        ReteooWorkingMemoryInterface wm = ((StatefulKnowledgeSessionImpl)kbase1.newStatefulKnowledgeSession()).session;
        List list = new ArrayList();
        wm.setGlobal("list", list);

        wm.insert(new A(1));
        wm.insert(new A(2));
        wm.insert(new A(3));
        wm.insert(new B(1));
        wm.insert(new B(2));
        wm.insert(new C(1));
        wm.insert(new D(1));
        wm.insert(new E(1));

        wm.fireAllRules();
        assertEquals( 3, list.size() );
        assertEquals( 13, countNodeMemories(wm.getNodeMemories()));

        kbase1.addKnowledgePackages( buildKnowledgePackage("r2", "   a : A() B(2;) C() D() E()\n") );
        wm.fireAllRules();
        assertEquals( 19, countNodeMemories(wm.getNodeMemories()));

        ObjectTypeNode aotn = getObjectTypeNode(kbase1, A.class );
        LeftInputAdapterNode liaNode = (LeftInputAdapterNode) aotn.getSinkPropagator().getSinks()[0];
        JoinNode b1Node = (JoinNode) liaNode.getSinkPropagator().getFirstLeftTupleSink();
        JoinNode b2Node = (JoinNode) liaNode.getSinkPropagator().getLastLeftTupleSink();
        JoinNode c1Node = (JoinNode) b1Node.getSinkPropagator().getLastLeftTupleSink();

        LiaNodeMemory lm = ( LiaNodeMemory ) wm.getNodeMemory(liaNode);
        SegmentMemory sm = lm.getSegmentMemory();

        BetaMemory b1Mem = ( BetaMemory ) wm.getNodeMemory(b1Node);
        assertSame( sm.getFirst(), b1Mem.getSegmentMemory());
        assertEquals( 3, b1Mem.getLeftTupleMemory().size() );
        assertEquals( 1, b1Mem.getRightTupleMemory().size() );

        BetaMemory b2Mem = ( BetaMemory ) wm.getNodeMemory(b2Node);
        SegmentMemory b2Smem =  sm.getFirst().getNext();
        assertSame( b2Smem, b2Mem.getSegmentMemory());
        assertEquals( 3, b2Mem.getLeftTupleMemory().size() );
        assertEquals( 1, b2Mem.getRightTupleMemory().size() );
        assertEquals(6, list.size() );

        BetaMemory c1Mem = ( BetaMemory ) wm.getNodeMemory(c1Node);
        assertSame( b1Mem.getSegmentMemory(), c1Mem.getSegmentMemory() );
        assertNotSame(b1Mem.getSegmentMemory(), b2Mem.getSegmentMemory());

        wm.fireAllRules();
        assertEquals(6, list.size() );
        assertEquals( 19, countNodeMemories(wm.getNodeMemories()));

        kbase1.removeRule("org.kie", "r2");
        assertEquals( 13, countNodeMemories(wm.getNodeMemories()));

        assertSame( sm, b1Mem.getSegmentMemory());
        assertSame( sm, c1Mem.getSegmentMemory());
        assertNull(sm.getFirst());
        assertEquals( 3, b1Mem.getLeftTupleMemory().size() );
        assertEquals( 1, b1Mem.getRightTupleMemory().size() );

        //SegmentMemory b2Smem =  sm.getFirst().remove();
        assertSame( b2Smem, b2Mem.getSegmentMemory());
        assertEquals( 0, b2Mem.getLeftTupleMemory().size() );
        assertEquals( 0, b2Mem.getRightTupleMemory().size() );

        wm.insert(new A(1));
        wm.fireAllRules();

        assertEquals( "r1", ((Match)list.get(6)).getRule().getName() );
        assertEquals(7, list.size() ); // only one more added, as second rule as removed
    }
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        assertNotNull( retractedWorker );

        StatefulKnowledgeSessionImpl sessionImpl = (StatefulKnowledgeSessionImpl) ksession;

        ReteooWorkingMemoryInterface reteWorkingMemory = sessionImpl.session;
        AbstractWorkingMemory abstractWorkingMemory = (AbstractWorkingMemory) reteWorkingMemory;

        InternalRuleBase ruleBase = (InternalRuleBase) abstractWorkingMemory.getRuleBase();
        Collection<EntryPointNode> entryPointNodes = ruleBase.getRete().getEntryPointNodes().values();
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                      "rule r1\n" +
                        "when\n" +
                        "then\n" +
                        "end\n";
        KnowledgeBase kbase = loadKnowledgeBaseFromString( rule );
        ReteooWorkingMemoryInterface wm = ((StatefulKnowledgeSessionImpl)kbase.newStatefulKnowledgeSession()).session;
       
        ObjectTypeNode otn = getObjectTypeNode(kbase, "InitialFactImpl" );
        assertNotNull( otn );

        LeftInputAdapterNode liaNode = ( LeftInputAdapterNode ) otn.getSinkPropagator().getSinks()[0];
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                      "when\n" +
                      "   Person()\n" +
                      "then\n" +
                      "end\n";
        KnowledgeBase kbase = loadKnowledgeBaseFromString( rule );
        ReteooWorkingMemoryInterface wm = ((StatefulKnowledgeSessionImpl)kbase.newStatefulKnowledgeSession()).session;
       
        ObjectTypeNode otn = getObjectTypeNode(kbase, "Person" );
        assertNotNull( otn );

        LeftInputAdapterNode liaNode = ( LeftInputAdapterNode ) otn.getSinkPropagator().getSinks()[0];
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                      "when\n" +
                      "   Person( name == 'bobba')\n" +
                      "then\n" +
                      "end\n";
        KnowledgeBase kbase = loadKnowledgeBaseFromString( rule );
        ReteooWorkingMemoryInterface wm = ((StatefulKnowledgeSessionImpl)kbase.newStatefulKnowledgeSession()).session;
       
        ObjectTypeNode otn = getObjectTypeNode(kbase, "Person" );
        assertNotNull( otn );

        AlphaNode alphaNode = ( AlphaNode ) otn.getSinkPropagator().getSinks()[0];
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                      "   Person()\n" +
                      "   Cheese()\n" +
                      "then\n" +
                      "end\n";
        KnowledgeBase kbase = loadKnowledgeBaseFromString( rule );
        ReteooWorkingMemoryInterface wm = ((StatefulKnowledgeSessionImpl)kbase.newStatefulKnowledgeSession()).session;
       
        ObjectTypeNode otn = getObjectTypeNode(kbase, "Cheese" );
        assertNotNull( otn );

        BetaNode betaNode = ( BetaNode ) otn.getSinkPropagator().getSinks()[0];
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