Package org.drools.reteoo

Examples of org.drools.reteoo.BetaNode

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        ReteooWorkingMemoryInterface wm = ((StatefulKnowledgeSessionImpl)kbase.newStatefulKnowledgeSession()).session;

        ObjectTypeNode otn = getObjectTypeNode(kbase, "A" );
        assertNotNull( otn );

        BetaNode betaNode = ( BetaNode )  otn.getSinkPropagator().getSinks()[0];
        assertEquals( 0, betaNode.getRightDeclaredMask() );
        assertEquals( 0, betaNode.getRightInferredMask() );
       
        assertEquals( 0, betaNode.getLeftDeclaredMask() );
        assertEquals( 0, betaNode.getLeftInferredMask() );       
    }    
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        ObjectTypeNode otn = getObjectTypeNode(kbase, "A" );
        assertNotNull( otn );
        List<String> sp = getSettableProperties(wm, otn);
       
        BetaNode betaNode = ( BetaNode )  otn.getSinkPropagator().getSinks()[0];               
        assertEquals(  calculatePositiveMask(list("a"), sp), betaNode.getRightDeclaredMask() );
        assertEquals(  calculatePositiveMask(list("a"), sp), betaNode.getRightInferredMask() );
       
        assertEquals(  calculatePositiveMask(list("a"), sp), betaNode.getLeftDeclaredMask() );
        assertEquals(  calculatePositiveMask(list("a"), sp), betaNode.getLeftInferredMask() );       
    } 
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        AlphaNode alphaNode = ( AlphaNode ) otn.getSinkPropagator().getSinks()[0];
        assertEquals( calculatePositiveMask(list("a"), sp), alphaNode.getDeclaredMask( ) );
        assertEquals( calculatePositiveMask(list("a", "b"), sp), alphaNode.getInferredMask());
       
        BetaNode betaNode = ( BetaNode )  alphaNode.getSinkPropagator().getSinks()[0];
        assertEquals(  calculatePositiveMask(list( "b" ), sp), betaNode.getRightDeclaredMask() ); // beta declares nothing
        assertEquals(  calculatePositiveMask(list("a", "b"), sp), betaNode.getRightInferredMask() ); // beta infers from alpha
       
        otn = getObjectTypeNode(kbase, "B" );
        alphaNode = ( AlphaNode ) otn.getSinkPropagator().getSinks()[0];
        assertEquals( calculatePositiveMask(list("a"), sp), alphaNode.getDeclaredMask( ) );
        assertEquals( calculatePositiveMask(list("a"), sp), alphaNode.getInferredMask());       
       
        assertEquals(  0, betaNode.getLeftDeclaredMask() );
        assertEquals(  calculatePositiveMask(list("a"), sp), betaNode.getLeftInferredMask() );        
    }   
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        AlphaNode alphaNode = ( AlphaNode ) otn.getSinkPropagator().getSinks()[0];
        assertEquals( calculatePositiveMask(list("a"), sp), alphaNode.getDeclaredMask( ) );
        assertEquals( calculatePositiveMask(list("a", "b", "s"), sp), alphaNode.getInferredMask() );
       
        BetaNode betaNode = ( BetaNode )  alphaNode.getSinkPropagator().getSinks()[0];
        assertEquals( calculatePositiveMask(list("b","s"), sp), betaNode.getRightDeclaredMask() );
        assertEquals( calculatePositiveMask(list("a", "b", "s"), sp), betaNode.getRightInferredMask() );
        assertEquals( calculatePositiveMask(list("c"), sp), betaNode.getLeftDeclaredMask() );
        assertEquals( calculatePositiveMask(list("a", "c"), sp), betaNode.getLeftInferredMask() );

        otn = getObjectTypeNode(kbase, "B" );
        alphaNode = ( AlphaNode ) otn.getSinkPropagator().getSinks()[0];
        assertEquals( calculatePositiveMask(list("a"), sp), alphaNode.getDeclaredMask( ) );
        assertEquals( calculatePositiveMask(list("a", "c"), sp), alphaNode.getInferredMask());       
       
        assertEquals( calculatePositiveMask(list( "c"), sp), betaNode.getLeftDeclaredMask() );
        assertEquals( calculatePositiveMask(list("a", "c"), sp), betaNode.getLeftInferredMask() );
    }
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        AlphaNode alphaNode = ( AlphaNode ) otn.getSinkPropagator().getSinks()[0];
        assertEquals( calculatePositiveMask(list("a"), sp), alphaNode.getDeclaredMask( ) );
        assertEquals( calculatePositiveMask(list("a", "b", "s"), sp), alphaNode.getInferredMask() );

        BetaNode betaNode = ( BetaNode )  alphaNode.getSinkPropagator().getSinks()[0];
        assertEquals( calculatePositiveMask(list("b","s"), sp), betaNode.getRightDeclaredMask() );
        assertEquals( calculatePositiveMask(list("s"), sp), betaNode.getRightInferredMask() );
        assertEquals( calculateNegativeMask(list("!a", "!b"), sp), betaNode.getRightNegativeMask() );

        otn = getObjectTypeNode(kbase, "B" );
        alphaNode = ( AlphaNode ) otn.getSinkPropagator().getSinks()[0];
        assertEquals( calculatePositiveMask(list("a"), sp), alphaNode.getDeclaredMask( ) );
        assertEquals( calculatePositiveMask(list("a", "c"), sp), alphaNode.getInferredMask());

        assertEquals( calculatePositiveMask(list( "c"), sp), betaNode.getLeftDeclaredMask() );
        assertEquals( calculatePositiveMask(list("c"), sp), betaNode.getLeftInferredMask() );
        assertEquals( calculateNegativeMask(list("!a"), sp), betaNode.getLeftNegativeMask() );
    }
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        AlphaNode alphaNode = ( AlphaNode ) otn.getSinkPropagator().getSinks()[0];
        assertEquals( calculatePositiveMask(list("a"), sp), alphaNode.getDeclaredMask( ) );
        assertEquals( calculatePositiveMask(list("a", "b", "s"), sp), alphaNode.getInferredMask() );
       
        BetaNode betaNode = ( BetaNode )  alphaNode.getSinkPropagator().getSinks()[0];
        assertEquals( calculatePositiveMask(list("b","s"), sp), betaNode.getRightDeclaredMask() );
        assertEquals( calculatePositiveMask(list("a", "b", "s"), sp), betaNode.getRightInferredMask() );
       
        otn = getObjectTypeNode(kbase, "B" );
        alphaNode = ( AlphaNode ) otn.getSinkPropagator().getSinks()[0];
        assertEquals( calculatePositiveMask(list("a"), sp), alphaNode.getDeclaredMask( ) );
        assertEquals( calculatePositiveMask(list("a", "c"), sp), alphaNode.getInferredMask());       
       
        assertEquals( calculatePositiveMask(list( "c"), sp), betaNode.getLeftDeclaredMask() );
        assertEquals( calculatePositiveMask(list("a", "c"), sp), betaNode.getLeftInferredMask() );
    }
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        AlphaNode alphaNode = ( AlphaNode ) otn.getSinkPropagator().getSinks()[0];
        assertEquals( calculatePositiveMask(list("a"), sp), alphaNode.getDeclaredMask( ) );
        assertEquals( calculatePositiveMask(list("a", "b", "s"), sp), alphaNode.getInferredMask() );

        BetaNode betaNode = ( BetaNode )  alphaNode.getSinkPropagator().getSinks()[0];
        assertEquals( calculatePositiveMask(list("b","s"), sp), betaNode.getRightDeclaredMask() );
        assertEquals( calculatePositiveMask(list("s"), sp), betaNode.getRightInferredMask() );
        assertEquals( calculateNegativeMask(list("!a", "!b"), sp), betaNode.getRightNegativeMask() );

        otn = getObjectTypeNode(kbase, "B" );
        alphaNode = ( AlphaNode ) otn.getSinkPropagator().getSinks()[0];
        assertEquals( calculatePositiveMask(list("a"), sp), alphaNode.getDeclaredMask( ) );
        assertEquals( calculatePositiveMask(list("a", "c"), sp), alphaNode.getInferredMask());

        assertEquals( calculatePositiveMask(list( "c"), sp), betaNode.getLeftDeclaredMask() );
        assertEquals( calculatePositiveMask(list("c"), sp), betaNode.getLeftInferredMask() );
        assertEquals( calculateNegativeMask(list("!a"), sp), betaNode.getLeftNegativeMask() );
    }
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        // first share
        AlphaNode alphaNode1_1 = ( AlphaNode ) alphaNode1.getSinkPropagator().getSinks()[0];
        assertEquals( calculatePositiveMask(list("s"), sp), alphaNode1_1.getDeclaredMask( ) );
        assertEquals( calculatePositiveMask(list("a", "s", "b"), sp), alphaNode1_1.getInferredMask() ); 
       
        BetaNode betaNode1 = ( BetaNode )  alphaNode1_1.getSinkPropagator().getSinks()[0];
        assertEquals( calculatePositiveMask(list("b"), sp), betaNode1.getRightDeclaredMask() );
        assertEquals( calculatePositiveMask(list("a", "s", "b"), sp), betaNode1.getRightInferredMask() );

        assertEquals( calculatePositiveMask(list("c"), sp), betaNode1.getLeftDeclaredMask() );
        assertEquals( calculatePositiveMask(list("c"), sp), betaNode1.getLeftInferredMask() );
        assertEquals( calculateNegativeMask(list("!a"), sp), betaNode1.getLeftNegativeMask() );

        // second share
        AlphaNode alphaNode1_2 = ( AlphaNode ) alphaNode1.getSinkPropagator().getSinks()[1];
        assertEquals( calculatePositiveMask(list("i"), sp), alphaNode1_2.getDeclaredMask( ) );
        assertEquals( calculatePositiveMask(list("a", "i", "b"), sp), alphaNode1_2.getInferredMask() );
       
        BetaNode betaNode2 = ( BetaNode )  alphaNode1_2.getSinkPropagator().getSinks()[0];
        assertEquals( calculatePositiveMask(list("b"), sp), betaNode2.getRightDeclaredMask() );
        assertEquals(  calculatePositiveMask(list("a", "i", "b"), sp), betaNode2.getRightInferredMask() );
       
        assertEquals( calculatePositiveMask(list("j"), sp), betaNode2.getLeftDeclaredMask() );
        assertEquals( calculatePositiveMask(list("a", "j"), sp), betaNode2.getLeftInferredMask() );
        assertEquals( calculateNegativeMask(list("!i"), sp), betaNode2.getLeftNegativeMask() );

        // test rule removal       
        kbase.removeRule( "org.drools", "r0" );
        assertEquals( calculatePositiveMask(list("a"), sp), alphaNode1.getDeclaredMask( ) );
        assertEquals( calculatePositiveMask(list("a", "i", "b"), sp), alphaNode1.getInferredMask() );

        assertEquals( calculatePositiveMask(list("i"), sp), alphaNode1_2.getDeclaredMask( ) );
        assertEquals( calculatePositiveMask(list("a", "i", "b"), sp), alphaNode1_2.getInferredMask() );
       
        assertEquals(  calculatePositiveMask(list("b"), sp), betaNode2.getRightDeclaredMask() );
        assertEquals(  calculatePositiveMask(list("a", "i", "b"), sp), betaNode2.getRightInferredMask() );
       
        assertEquals( calculatePositiveMask(list("c"), sp), betaNode1.getLeftDeclaredMask() );
        assertEquals( calculatePositiveMask(list("c"), sp), betaNode1.getLeftInferredMask() );
        assertEquals( calculateNegativeMask(list("!a"), sp), betaNode1.getLeftNegativeMask() );

        // have to rebuild to remove r1
        kbase = getKnowledgeBase(rule1, rule2);
       
        kbase.removeRule( "org.drools", "r1" );
        otn = getObjectTypeNode(kbase, "A" );
       
        alphaNode1 = ( AlphaNode ) otn.getSinkPropagator().getSinks()[0];
        assertEquals( calculatePositiveMask(list("a"), sp), alphaNode1.getDeclaredMask( ) );
        assertEquals( calculatePositiveMask(list("a", "s", "b"), sp), alphaNode1.getInferredMask() );  
       
        alphaNode1_1 = ( AlphaNode ) alphaNode1.getSinkPropagator().getSinks()[0];
        assertEquals( calculatePositiveMask(list("s"), sp), alphaNode1_1.getDeclaredMask( ) );
        assertEquals( calculatePositiveMask(list("a", "s", "b"), sp), alphaNode1_1.getInferredMask() );  
       
        betaNode1 = ( BetaNode )  alphaNode1_1.getSinkPropagator().getSinks()[0];       
        assertEquals(  calculatePositiveMask(list("b"), sp), betaNode1.getRightDeclaredMask() );
        assertEquals(  calculatePositiveMask(list("a", "s", "b"), sp), betaNode1.getRightInferredMask() );  
       
        assertEquals( calculatePositiveMask(list("j"), sp), betaNode2.getLeftDeclaredMask() );
        assertEquals( calculatePositiveMask(list("a", "j"), sp), betaNode2.getLeftInferredMask() );
        assertEquals( calculateNegativeMask(list("!i"), sp), betaNode2.getLeftNegativeMask() );
    }
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        // first share
        AlphaNode alphaNode1_1 = ( AlphaNode ) alphaNode1.getSinkPropagator().getSinks()[0];
        assertEquals( calculatePositiveMask(list("b"), sp), alphaNode1_1.getDeclaredMask( ) );
        assertEquals( calculatePositiveMask(list("a", "b", "c"), sp), alphaNode1_1.getInferredMask() ); 
       
        BetaNode betaNode1 = ( BetaNode )  alphaNode1_1.getSinkPropagator().getSinks()[0];       
        assertEquals( calculatePositiveMask(list("b", "c"), sp), betaNode1.getRightDeclaredMask() );
        assertEquals( calculatePositiveMask(list("a", "c"), sp), betaNode1.getRightInferredMask() );
        assertEquals( calculateNegativeMask(list("!b"), sp), betaNode1.getRightNegativeMask() );

        assertEquals( calculatePositiveMask(list("c"), sp), betaNode1.getLeftDeclaredMask() );
        assertEquals( calculatePositiveMask(list("c"), sp), betaNode1.getLeftInferredMask() );
        assertEquals( calculateNegativeMask(list("!a"), sp), betaNode1.getLeftNegativeMask() );

        // second share
        AlphaNode alphaNode1_2 = ( AlphaNode ) alphaNode1.getSinkPropagator().getSinks()[1];
        assertEquals( calculatePositiveMask(list("i"), sp), alphaNode1_2.getDeclaredMask( ) );
        assertEquals( calculatePositiveMask(list("a", "i", "b", "s"), sp), alphaNode1_2.getInferredMask() ); 
       

        BetaNode betaNode2 = ( BetaNode )  alphaNode1_2.getSinkPropagator().getSinks()[0];       
        assertEquals( calculatePositiveMask(list("b", "s"), sp), betaNode2.getRightDeclaredMask() );
        assertEquals( calculatePositiveMask(list("i", "b", "s"), sp), betaNode2.getRightInferredMask() );
        assertEquals( calculateNegativeMask(list("!a"), sp), betaNode2.getRightNegativeMask() );

        assertEquals( calculateNegativeMask(list("!a"), sp), betaNode1.getLeftNegativeMask() );
        assertEquals( calculatePositiveMask(list("j"), sp), betaNode2.getLeftDeclaredMask() );
        assertEquals( calculatePositiveMask(list("a", "j"), sp), betaNode2.getLeftInferredMask() );
        assertEquals( 0L, betaNode2.getLeftNegativeMask() );

        // test rule removal       
        kbase.removeRule( "org.drools", "r0" );
        assertEquals( calculatePositiveMask(list("a"), sp), alphaNode1.getDeclaredMask( ) );
        assertEquals( calculatePositiveMask(list("a", "i", "b", "s"), sp), alphaNode1.getInferredMask() );

        assertEquals( calculatePositiveMask(list("i"), sp), alphaNode1_2.getDeclaredMask( ) );
        assertEquals( calculatePositiveMask(list("a", "i", "b", "s"), sp), alphaNode1_2.getInferredMask() );
       
        assertEquals( calculatePositiveMask(list("b", "s"), sp), betaNode2.getRightDeclaredMask() );
        assertEquals( calculatePositiveMask(list("i", "b", "s"), sp), betaNode2.getRightInferredMask() );
        assertEquals( calculateNegativeMask(list("!a"), sp), betaNode2.getRightNegativeMask() );

        assertEquals( calculatePositiveMask(list("j"), sp), betaNode2.getLeftDeclaredMask() );
        assertEquals( calculatePositiveMask(list("a", "j"), sp), betaNode2.getLeftInferredMask() );
        assertEquals( 0L, betaNode2.getLeftNegativeMask() );

        // have to rebuild to remove r1
        kbase = getKnowledgeBase(rule1, rule2);
       
        kbase.removeRule( "org.drools", "r1" );
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        // first share
        AlphaNode alphaNode1_1 = ( AlphaNode ) alphaNode1.getSinkPropagator().getSinks()[0];
        assertEquals( calculatePositiveMask(list("b"), sp), alphaNode1_1.getDeclaredMask( ) );
        assertEquals( calculatePositiveMask(list("a", "b", "c"), sp), alphaNode1_1.getInferredMask() ); 
       
        BetaNode betaNode1 = ( BetaNode )  alphaNode1_1.getSinkPropagator().getSinks()[0];       
        assertEquals(  calculatePositiveMask(list("c"), sp), betaNode1.getRightDeclaredMask() );
        assertEquals(  calculatePositiveMask(list("a", "b", "c"), sp), betaNode1.getRightInferredMask() );
       
        assertEquals(  calculatePositiveMask(list("i"), sp), betaNode1.getLeftDeclaredMask() );
        assertEquals(  calculatePositiveMask(list("b", "i"), sp), betaNode1.getLeftInferredMask() );       
       
        // second share
        AlphaNode alphaNode1_2 = ( AlphaNode ) alphaNode1.getSinkPropagator().getSinks()[1];
        assertEquals( calculatePositiveMask(list("i"), sp), alphaNode1_2.getDeclaredMask( ) );
        assertEquals( calculatePositiveMask(list("a", "b", "i", "s", "j"), sp), alphaNode1_2.getInferredMask() ); 
       

        BetaNode betaNode2 = ( BetaNode )  alphaNode1_2.getSinkPropagator().getSinks()[1];       
        assertEquals(  calculatePositiveMask(list("s"), sp), betaNode2.getRightDeclaredMask() );
        assertEquals(  calculatePositiveMask(list("a", "i", "s"), sp), betaNode2.getRightInferredMask() );
       
        assertEquals(  calculatePositiveMask(list("j"), sp), betaNode2.getLeftDeclaredMask() );
        assertEquals(  calculatePositiveMask(list("b", "j"), sp), betaNode2.getLeftInferredMask() );        
       
        // third share       
        AlphaNode alphaNode1_4 = ( AlphaNode ) alphaNode1_2.getSinkPropagator().getSinks()[0];
        assertEquals( calculatePositiveMask(list("b"), sp), alphaNode1_4.getDeclaredMask( ) );
        assertEquals( calculatePositiveMask(list("a", "b", "i", "j"), sp), alphaNode1_4.getInferredMask() );         
       

        BetaNode betaNode3 = ( BetaNode )  alphaNode1_4.getSinkPropagator().getSinks()[0];       
        assertEquals(  calculatePositiveMask(list("j"), sp), betaNode3.getRightDeclaredMask() );
        assertEquals(  calculatePositiveMask(list("a", "i", "b", "j"), sp), betaNode3.getRightInferredMask() );
       
        assertEquals(  calculatePositiveMask(list("k"), sp), betaNode3.getLeftDeclaredMask() );
        assertEquals(  calculatePositiveMask(list("c", "k"), sp), betaNode3.getLeftInferredMask() );       
    }  
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Related Classes of org.drools.reteoo.BetaNode

  • org.drools.common.DoubleNonIndexSkipBetaConstraints
  • org.drools.common.InternalWorkingMemory
  • org.drools.common.PropagationContextImpl
  • org.drools.common.QuadroupleNonIndexSkipBetaConstraints
  • org.drools.common.RightTupleSets
  • org.drools.common.SingleNonIndexSkipBetaConstraints
  • org.drools.common.TripleNonIndexSkipBetaConstraints
  • org.drools.core.util.debug.BetaNodeVisitor
  • org.drools.core.util.FastIterator
  • org.drools.core.util.Iterator
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