Package org.drools.core.common

Examples of org.drools.core.common.AbstractWorkingMemory

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    public void testLiaNodeInitialisation() {
        setUp( JOIN_NODE );
        // Initialise from lian
        KieBaseConfiguration kconf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
        kconf.setOption( RuleEngineOption.PHREAK );
        AbstractWorkingMemory wm = new AbstractWorkingMemory( 1, (ReteooRuleBase) RuleBaseFactory.newRuleBase((RuleBaseConfiguration)kconf) );
        SegmentUtilities.createSegmentMemory( liaNode, wm );
        liaNode.assertObject( (InternalFactHandle) wm.insert( "str" ), context, wm );
       

        LiaNodeMemory liaMem = (LiaNodeMemory) wm.getNodeMemory( liaNode );
        assertEquals( 1, liaMem.getNodePosMaskBit() );
        assertEquals( 3, liaMem.getSegmentMemory().getAllLinkedMaskTest() );
       
        BetaMemory bm1 = (BetaMemory) wm.getNodeMemory( n1 );
        assertEquals( 2, bm1.getNodePosMaskBit() );
        assertEquals( 3, bm1.getSegmentMemory().getAllLinkedMaskTest() );        
       
        // Initialise from n1    
        wm = new AbstractWorkingMemory( 1, (ReteooRuleBase) RuleBaseFactory.newRuleBase((RuleBaseConfiguration)kconf) );
        n1.assertObject( (InternalFactHandle) wm.insert( "str" ), context, wm );
       

        liaMem = (LiaNodeMemory) wm.getNodeMemory( liaNode );
        assertEquals( 1, liaMem.getNodePosMaskBit() );
        assertEquals( 3, liaMem.getSegmentMemory().getAllLinkedMaskTest() );
       
        bm1 = (BetaMemory) wm.getNodeMemory( n1 );
        assertEquals( 2, bm1.getNodePosMaskBit() );
        assertEquals( 3, bm1.getSegmentMemory().getAllLinkedMaskTest() );          
    }
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    public void testLiaNodeLinking() {
        setUp( JOIN_NODE );
        // Initialise from lian
        KieBaseConfiguration kconf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
        kconf.setOption( RuleEngineOption.PHREAK );
        AbstractWorkingMemory wm = new AbstractWorkingMemory( 1, (ReteooRuleBase) RuleBaseFactory.newRuleBase((RuleBaseConfiguration)kconf) );
       
        SegmentUtilities.createSegmentMemory( liaNode, wm );
       
        InternalFactHandle fh1 = (InternalFactHandle) wm.insert( "str1" );
        n1.assertObject( fh1, context, wm );   
       
        LiaNodeMemory liaMem = (LiaNodeMemory) wm.getNodeMemory( liaNode );
        assertEquals( 1, liaMem.getNodePosMaskBit() );
        assertEquals( 3, liaMem.getSegmentMemory().getAllLinkedMaskTest() );
       
        BetaMemory bm1 = (BetaMemory) wm.getNodeMemory( n1 );
        assertEquals( 2, bm1.getNodePosMaskBit() );
        assertEquals( 3, bm1.getSegmentMemory().getAllLinkedMaskTest() );    
       
        // still unlinked
        assertFalse( liaMem.getSegmentMemory().isSegmentLinked() );
       
        // now linked
        InternalFactHandle fh2 = (InternalFactHandle) wm.insert( "str2" );
        liaNode.assertObject( fh2, context, wm );
        assertTrue( liaMem.getSegmentMemory().isSegmentLinked() );
       
        // test unlink after one retract
        liaNode.retractLeftTuple( fh2.getFirstLeftTuple(), context, wm );
        assertFalse( liaMem.getSegmentMemory().isSegmentLinked() );
       
        // check counter, after multiple asserts
        InternalFactHandle fh3 = (InternalFactHandle) wm.insert( "str3" );
        InternalFactHandle fh4 = (InternalFactHandle) wm.insert( "str4" );
        liaNode.assertObject( fh3, context, wm );
        liaNode.assertObject( fh4, context, wm );
       
        assertTrue( liaMem.getSegmentMemory().isSegmentLinked() );
       
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    public void tesMultiNodeSegmentDifferentInitialisationPoints() {
        setUp( JOIN_NODE );
        // Initialise from n3
        KieBaseConfiguration kconf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
        kconf.setOption( RuleEngineOption.PHREAK );
        AbstractWorkingMemory wm = new AbstractWorkingMemory( 1, (ReteooRuleBase) RuleBaseFactory.newRuleBase((RuleBaseConfiguration) kconf) );
        createSegmentMemory( n3, wm );

        BetaMemory bm = (BetaMemory) wm.getNodeMemory( n1 );
        assertNull( bm.getSegmentMemory() );

        bm = (BetaMemory) wm.getNodeMemory( n3 );
        assertEquals( 1, bm.getNodePosMaskBit() );
        assertEquals( 15, bm.getSegmentMemory().getAllLinkedMaskTest() );

        bm = (BetaMemory) wm.getNodeMemory( n4 );
        assertEquals( 2, bm.getNodePosMaskBit() );
        assertEquals( 15, bm.getSegmentMemory().getAllLinkedMaskTest() );

        bm = (BetaMemory) wm.getNodeMemory( n5 );
        assertEquals( 4, bm.getNodePosMaskBit() );
        assertEquals( 15, bm.getSegmentMemory().getAllLinkedMaskTest() );

        bm = (BetaMemory) wm.getNodeMemory( n6 );
        assertEquals( 8, bm.getNodePosMaskBit() );
        assertEquals( 15, bm.getSegmentMemory().getAllLinkedMaskTest() );

        // Initialise from n4      
        wm = new AbstractWorkingMemory( 1, (ReteooRuleBase) RuleBaseFactory.newRuleBase((RuleBaseConfiguration)kconf) );
        bm = createSegmentMemory( n4, wm );

        bm = (BetaMemory) wm.getNodeMemory( n1 );
        assertNull( bm.getSegmentMemory() );

        bm = (BetaMemory) wm.getNodeMemory( n3 );
        assertEquals( 1, bm.getNodePosMaskBit() );
        assertEquals( 15, bm.getSegmentMemory().getAllLinkedMaskTest() );

        bm = (BetaMemory) wm.getNodeMemory( n4 );
        assertEquals( 2, bm.getNodePosMaskBit() );
        assertEquals( 15, bm.getSegmentMemory().getAllLinkedMaskTest() );

        bm = (BetaMemory) wm.getNodeMemory( n5 );
        assertEquals( 4, bm.getNodePosMaskBit() );
        assertEquals( 15, bm.getSegmentMemory().getAllLinkedMaskTest() );

        bm = (BetaMemory) wm.getNodeMemory( n6 );
        assertEquals( 8, bm.getNodePosMaskBit() );
        assertEquals( 15, bm.getSegmentMemory().getAllLinkedMaskTest() );

        // Initialise from n5
        wm = new AbstractWorkingMemory( 1, (ReteooRuleBase) RuleBaseFactory.newRuleBase((RuleBaseConfiguration)kconf) );
        createSegmentMemory( n5, wm );

        bm = (BetaMemory) wm.getNodeMemory( n1 );
        assertNull( bm.getSegmentMemory() );

        bm = (BetaMemory) wm.getNodeMemory( n3 );
        assertEquals( 1, bm.getNodePosMaskBit() );
        assertEquals( 15, bm.getSegmentMemory().getAllLinkedMaskTest() );

        bm = (BetaMemory) wm.getNodeMemory( n4 );
        assertEquals( 2, bm.getNodePosMaskBit() );
        assertEquals( 15, bm.getSegmentMemory().getAllLinkedMaskTest() );

        bm = (BetaMemory) wm.getNodeMemory( n5 );
        assertEquals( 4, bm.getNodePosMaskBit() );
        assertEquals( 15, bm.getSegmentMemory().getAllLinkedMaskTest() );

        bm = (BetaMemory) wm.getNodeMemory( n6 );
        assertEquals( 8, bm.getNodePosMaskBit() );
        assertEquals( 15, bm.getSegmentMemory().getAllLinkedMaskTest() );

        // Initialise from n6
        wm = new AbstractWorkingMemory( 1, (ReteooRuleBase) RuleBaseFactory.newRuleBase((RuleBaseConfiguration)kconf) );
        createSegmentMemory( n6, wm );

        bm = (BetaMemory) wm.getNodeMemory( n1 );
        assertNull( bm.getSegmentMemory() );

        bm = (BetaMemory) wm.getNodeMemory( n3 );
        assertEquals( 1, bm.getNodePosMaskBit() );
        assertEquals( 15, bm.getSegmentMemory().getAllLinkedMaskTest() );

        bm = (BetaMemory) wm.getNodeMemory( n4 );
        assertEquals( 2, bm.getNodePosMaskBit() );
        assertEquals( 15, bm.getSegmentMemory().getAllLinkedMaskTest() );

        bm = (BetaMemory) wm.getNodeMemory( n5 );
        assertEquals( 4, bm.getNodePosMaskBit() );
        assertEquals( 15, bm.getSegmentMemory().getAllLinkedMaskTest() );

        bm = (BetaMemory) wm.getNodeMemory( n6 );
        assertEquals( 8, bm.getNodePosMaskBit() );
        assertEquals( 15, bm.getSegmentMemory().getAllLinkedMaskTest() );
    }
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        assertEquals( JoinNode.class, n3.getClass() ); // make sure it created JoinNodes

        KieBaseConfiguration kconf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
        kconf.setOption( RuleEngineOption.PHREAK );
        AbstractWorkingMemory wm = new AbstractWorkingMemory( 1, (ReteooRuleBase) RuleBaseFactory.newRuleBase((RuleBaseConfiguration)kconf) );
        DefaultFactHandle f1 = (DefaultFactHandle) wm.insert( "test1" );
        n3.assertObject( f1, context, wm );

        BetaMemory bm = (BetaMemory) wm.getNodeMemory( n3 );
        assertFalse( bm.getSegmentMemory().isSegmentLinked() );

        n4.assertObject( f1, context, wm );
        assertFalse( bm.getSegmentMemory().isSegmentLinked() );
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        assertEquals( ExistsNode.class, n3.getClass() ); // make sure it created ExistsNodes

        KieBaseConfiguration kconf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
        kconf.setOption( RuleEngineOption.PHREAK );
        AbstractWorkingMemory wm = new AbstractWorkingMemory( 1, (ReteooRuleBase) RuleBaseFactory.newRuleBase((RuleBaseConfiguration)kconf) );
        DefaultFactHandle f1 = (DefaultFactHandle) wm.insert( "test1" );
        n3.assertObject( f1, context, wm );

        BetaMemory bm = (BetaMemory) wm.getNodeMemory( n3 );
        assertFalse( bm.getSegmentMemory().isSegmentLinked() );

        n4.assertObject( f1, context, wm );
        assertFalse( bm.getSegmentMemory().isSegmentLinked() );
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        assertEquals( NotNode.class, n3.getClass() ); // make sure it created NotNodes

        KieBaseConfiguration kconf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
        kconf.setOption( RuleEngineOption.PHREAK );
        AbstractWorkingMemory wm = new AbstractWorkingMemory( 1, (ReteooRuleBase) RuleBaseFactory.newRuleBase((RuleBaseConfiguration)kconf) );
               
        BetaMemory bm = (BetaMemory) wm.getNodeMemory( n3 );
        createSegmentMemory( n3, wm );
        assertTrue( bm.getSegmentMemory().isSegmentLinked() ); // not nodes start off linked

        DefaultFactHandle f1 = (DefaultFactHandle) wm.insert( "test1" ); // unlinked after first assertion
        n3.assertObject( f1, context, wm );
               
        // this doesn't unlink on the assertObject, as the node's memory must be processed. So use the helper method the main network evaluator uses.
        PhreakNotNode.unlinkNotNodeOnRightInsert( (NotNode) n3, bm, wm );
        assertFalse( bm.getSegmentMemory().isSegmentLinked() );               
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     *
     * @throws org.drools.core.FactException
     */
    @Test
    public void testCache() throws FactException {
        final AbstractWorkingMemory workingMemory = (AbstractWorkingMemory) this.ruleBase.newStatefulSession();

        // Create a Rete network with ObjectTypeNodes for List, Collection and ArrayList
        final Rete rete = ruleBase.getRete();
        ObjectTypeNode objectTypeNode = new ObjectTypeNode(1,
                                                           this.entryPoint,
                                                           new ClassObjectType(List.class),
                                                           buildContext);
        objectTypeNode.attach(buildContext);
        MockObjectSink sink = new MockObjectSink();
        objectTypeNode.addObjectSink(sink);

        objectTypeNode = new ObjectTypeNode(1,
                                            this.entryPoint,
                                            new ClassObjectType(Collection.class),
                                            buildContext);
        objectTypeNode.attach(buildContext);
        sink = new MockObjectSink();
        objectTypeNode.addObjectSink(sink);

        objectTypeNode = new ObjectTypeNode(1,
                                            this.entryPoint,
                                            new ClassObjectType(ArrayList.class),
                                            buildContext);
        objectTypeNode.attach(buildContext);
        sink = new MockObjectSink();
        objectTypeNode.addObjectSink(sink);

        // ArrayList matches all three ObjectTypeNodes
        final DefaultFactHandle h1 = new DefaultFactHandle(1,
                                                           new ArrayList());
        rete.assertObject(h1,
                          pctxFactory.createPropagationContext(0,
                                                               PropagationContext.INSERTION,
                                                               null,
                                                               null,
                                                               null),
                          workingMemory);

        // LinkedList matches two ObjectTypeNodes       
        h1.setObject(new LinkedList());
        rete.assertObject(h1,
                          pctxFactory.createPropagationContext(0,
                                                               PropagationContext.INSERTION,
                                                               null,
                                                               null,
                                                               null),
                          workingMemory);

        ClassObjectTypeConf conf = (ClassObjectTypeConf) workingMemory.getObjectTypeConfigurationRegistry().getObjectTypeConf(this.entryPoint.getEntryPoint(), new ArrayList());
        assertLength(3,
                     conf.getObjectTypeNodes());

        conf = (ClassObjectTypeConf) workingMemory.getObjectTypeConfigurationRegistry().getObjectTypeConf(this.entryPoint.getEntryPoint(), new ArrayList());
        assertLength(3,
                     conf.getObjectTypeNodes());

    }
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     *
     * @throws Exception
     */
    @Test
    public void testAssertObject() throws Exception {
        final AbstractWorkingMemory workingMemory = (AbstractWorkingMemory) this.ruleBase.newStatefulSession();

        // Create a Rete network with ObjectTypeNodes for List, Collection and ArrayList
        final Rete rete = ruleBase.getRete();
        final ObjectTypeNode objectTypeNode = new ObjectTypeNode(1,
                                                                 this.entryPoint,
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                   ((DefaultFactHandle) results[0]).getObject());
    }

    @Test
    public void testAssertObjectWithNoMatchingObjectTypeNode() {
        final AbstractWorkingMemory workingMemory = (AbstractWorkingMemory) this.ruleBase.newStatefulSession();

        final Rete rete = ruleBase.getRete();
        assertEquals(0,
                     rete.getObjectTypeNodes().size());

        List list = new ArrayList();

        workingMemory.insert(list);

        assertEquals(2,
                     rete.getObjectTypeNodes().size());
    }
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    }

    @Test
    @Ignore
    public void testHierarchy() {
        final AbstractWorkingMemory workingMemory = (AbstractWorkingMemory) this.ruleBase.newStatefulSession();

        final Rete rete = ruleBase.getRete();
        final IdGenerator idGenerator = ruleBase.getReteooBuilder().getIdGenerator();

        // Attach a List ObjectTypeNode
        final ObjectTypeNode listOtn = new ObjectTypeNode(idGenerator.getNextId(),
                                                          this.entryPoint,
                                                          new ClassObjectType(List.class),
                                                          buildContext);
        listOtn.attach(buildContext);

        // Will automatically create an ArrayList ObjectTypeNode
        FactHandle handle = workingMemory.insert(new ArrayList());

        // Check we have three ObjectTypeNodes, List, ArrayList and InitialFactImpl
        assertEquals(3,
                     rete.getObjectTypeNodes().size());

        // double check that the List reference is the same as the one we created, i.e. engine should try and recreate it
        assertSame(listOtn,
                   rete.getObjectTypeNodes(EntryPointId.DEFAULT).get(new ClassObjectType(List.class)));

        // ArrayConf should match two ObjectTypenodes for List and ArrayList
        ClassObjectTypeConf arrayConf = (ClassObjectTypeConf) workingMemory.getObjectTypeConfigurationRegistry().getObjectTypeConf(this.entryPoint.getEntryPoint(), new ArrayList());
        final ObjectTypeNode arrayOtn = arrayConf.getConcreteObjectTypeNode();
        assertEquals(2,
                     arrayConf.getObjectTypeNodes().length);

        // Check it contains List and ArrayList
        List nodes = Arrays.asList(arrayConf.getObjectTypeNodes());
        assertEquals(2,
                     nodes.size());
        assertTrue(nodes.contains(arrayOtn));
        assertTrue(nodes.contains(listOtn));

        // Nodes are there, retract the fact so we can check both nodes are populated
        workingMemory.retract(handle);

        // Add MockSinks so we can track assertions
        final MockObjectSink listSink = new MockObjectSink();
        listOtn.addObjectSink(listSink);

        final MockObjectSink arraySink = new MockObjectSink();
        listOtn.addObjectSink(arraySink);

        workingMemory.insert(new ArrayList());
        assertEquals(1,
                     listSink.getAsserted().size());
        assertEquals(1,
                     arraySink.getAsserted().size());
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