Package org.drools

Examples of org.drools.KnowledgeBase.removeRule()


                      test.getRules().iterator().next().getName() );
        assertEquals( "rule2",
                      test2.getRules().iterator().next().getName() );

        // now remove the first rule
        kbase.removeRule( test.getName(),
                          test.getRules().iterator().next().getName() );
        // different JVMs return the package list in different order
        for( KnowledgePackage kpkg : kbase.getKnowledgePackages() ) {
            if( kpkg.getName().equals( "org.drools.test" )) {
                test = kpkg;
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            }
        }
        assertNotNull( test );
        assertNotNull( test2 );

        kbase.removeRule( test2.getName(),
                          test2.getRules().iterator().next().getName() );
        kbase = SerializationHelper.serializeObject( kbase );
       
        // different JVMs return the package list in different order
        for( KnowledgePackage kpkg : kbase.getKnowledgePackages() ) {
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            ksession.setGlobal( "list", list );
            ksession.setGlobal( "latch", latch );           
           
            ksession.fireAllRules();          
            Thread.sleep(200); // this makes sure it actually enters a rule
            kbase.removeRule("org.drools.test", "TimerRule");
            latch.countDown();
            Thread.sleep(100); // allow the last rule, if we were in the middle of one to actually fire, before clearing
            list.clear();
            Thread.sleep(500); // now wait to see if any more fire, they shouldn't
            assertEquals( 0, list.size() );
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        DefaultFactHandle handle = (DefaultFactHandle) ksession.insert( "hello" );
        LeftTuple leftTuple = handle.getFirstLeftTuple();
        assertNotNull( leftTuple );
        assertNotNull( leftTuple.getLeftParentNext() );

        kbase.removeRule( "org.drools",
                          "rule2" );

        leftTuple = handle.getFirstLeftTuple();
        assertNotNull( leftTuple );
        assertNull( leftTuple.getLeftParentNext() );
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                      pkgs[0].getRules().iterator().next().getName() );
        assertEquals( "rule2",
                      pkgs[1].getRules().iterator().next().getName() );

        // now remove the first rule
        kbase.removeRule( pkgs[0].getName(),
                          pkgs[0].getRules().iterator().next().getName() );
        pkgs = (KnowledgePackage[]) kbase.getKnowledgePackages().toArray( new KnowledgePackage[]{} );

        // Check the rule was correctly remove
        assertEquals( 0,
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                     list.contains( new Person( c2.getType() ) ) );
        assertTrue( "The logical assertion  for c1 should exist",
                    list.contains( new Person( c1.getType() ) ) );

        pkgs = (KnowledgePackage[]) kbase.getKnowledgePackages().toArray( new KnowledgePackage[]{} );
        kbase.removeRule( pkgs[1].getName(),
                          pkgs[1].getRules().iterator().next().getName() );
        kbase = SerializationHelper.serializeObject( kbase );
        pkgs = (KnowledgePackage[]) kbase.getKnowledgePackages().toArray( new KnowledgePackage[]{} );
        assertEquals( 0,
                      pkgs[0].getRules().size() );
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        assertEquals( 0, rtNode2.getDeclaredMask() );
        assertEqualscalculatePositiveMask(list("a", "i"), sp), rtNode2.getInferredMask() );
       
        // test rule removal       
        kbase.removeRule( "org.drools", "r0" );
        assertEquals( calculatePositiveMask(list("a"), sp), alphaNode1.getDeclaredMask( ) );
        assertEquals( calculatePositiveMask(list("a", "i"), sp), alphaNode1.getInferredMask() );

        assertEquals( calculatePositiveMask(list("i"), sp), alphaNode1_2.getDeclaredMask( ) );
        assertEquals( calculatePositiveMask(list("a", "i"), sp), alphaNode1_2.getInferredMask() );
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        assertEqualscalculatePositiveMask(list("a", "i"), sp), rtNode2.getInferredMask() );
       
        // 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", "b"), sp), alphaNode1.getInferredMask() );  
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        assertEqualscalculatePositiveMask(list("s"), sp), rtNode2.getDeclaredMask() );
        assertEqualscalculatePositiveMask(list("a", "s"), sp), rtNode2.getInferredMask() );
        assertEqualscalculateNegativeMask(list("!i"), sp), rtNode2.getNegativeMask() );

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

        assertEquals( calculatePositiveMask(list("i"), sp), alphaNode1_2.getDeclaredMask( ) );
        assertEquals( calculatePositiveMask(list("a", "i", "s"), sp), alphaNode1_2.getInferredMask() );
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        assertEqualscalculateNegativeMask(list("!i"), sp), rtNode2.getNegativeMask() );

        // 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", "b", "c"), sp), alphaNode1.getInferredMask() );  
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