Package org.drools

Examples of org.drools.ClassObjectFilter

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        session.setGlobal( "b",
                           b );

        FactHandle h1 = session.insert( a );
        session.fireAllRules();
        Collection< ? > list = session.getObjects( new ClassObjectFilter( a.getClass() ) );
        assertEquals( 2,
                      list.size() );
        assertTrue( list.contains( a ) );
        assertTrue( list.contains( b ) );

        session.retract( h1 );
        session.fireAllRules();
        list = session.getObjects( new ClassObjectFilter( a.getClass() ) );
        assertEquals( "b was retracted, but it should not have. Is backed by b => b being true.",
                      1,
                      list.size() );
        assertEquals( "b was retracted, but it should not have. Is backed by b => b being true.",
                      b,
                      list.iterator().next() );

        h1 = session.getFactHandle( b );
        session.retract( h1 );
        session.fireAllRules();
        list = session.getObjects( new ClassObjectFilter( a.getClass() ) );
        assertEquals( 0,
                      list.size() );
    }
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                           a );
        session.setGlobal( "l",
                           l );

        session.fireAllRules();
        Collection< ? > list = session.getObjects( new ClassObjectFilter( a.getClass() ) );
        assertEquals( "a still asserted.",
                      0,
                      list.size() );
        assertEquals( "Rule has not fired (looped) expected number of times",
                      10,
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                                 a );
        workingMemory.setGlobal( "l",
                                 l );

        workingMemory.fireAllRules();
        list = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( a.getClass() ) ) );
        assertEquals( "a still in WM",
                      0,
                      list.size() );
        assertEquals( "Rule should not loop",
                      1,
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        workingMemory.fireAllRules();
        workingMemory = getSerialisedStatefulSession( workingMemory );        
        assertEquals( 2,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );

        l = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( CheeseEqual.class ) ) );
        assertEquals( 1,
                      l.size() );
        assertEquals( 2,
                      ((CheeseEqual) l.get( 0 )).getPrice() );
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        workingMemory.fireAllRules();
        workingMemory = getSerialisedStatefulSession( workingMemory );
        assertEquals( 2,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );
        l = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( CheeseEqual.class ) ) );
        assertEquals( 1,
                      l.size() );
        assertEquals( 3,
                      ((CheeseEqual) l.get( 0 )).getPrice() );
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        workingMemory.fireAllRules();
       
        workingMemory = getSerialisedStatefulSession( workingMemory );

        // all 3 in europe, so, 2 cheese
        List cheeseList = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( Cheese.class ) ) );
        assertEquals( 2,
                      cheeseList.size() );

        // europe=[ 1, 2 ], america=[ 3 ]
        p3.setStatus( "america" );
        c3FactHandle = getFactHandle( c3FactHandle, workingMemory );
        workingMemory.update( c3FactHandle,
                              p3 );
        workingMemory = getSerialisedStatefulSession( workingMemory );
        workingMemory.fireAllRules();
        workingMemory = getSerialisedStatefulSession( workingMemory );
        cheeseList = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( Cheese.class ) ) );
        assertEquals( 1,
                      cheeseList.size() );

        // europe=[ 1 ], america=[ 2, 3 ]
        p2.setStatus( "america" );
        c2FactHandle = getFactHandle( c2FactHandle, workingMemory );
        workingMemory.update( c2FactHandle,
                              p2 );
        workingMemory = getSerialisedStatefulSession( workingMemory );
        workingMemory.fireAllRules();
        workingMemory = getSerialisedStatefulSession( workingMemory );
        cheeseList = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( Cheese.class ) ) );
        assertEquals( 1,
                      cheeseList.size() );

        // europe=[ ], america=[ 1, 2, 3 ]
        p1.setStatus( "america" );
        c1FactHandle = getFactHandle( c1FactHandle, workingMemory );
        workingMemory.update( c1FactHandle,
                              p1 );
        workingMemory = getSerialisedStatefulSession( workingMemory );
        workingMemory.fireAllRules();
        workingMemory = getSerialisedStatefulSession( workingMemory );
        cheeseList = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( Cheese.class ) ) );
        assertEquals( 2,
                      cheeseList.size() );

        // europe=[ 2 ], america=[ 1, 3 ]
        p2.setStatus( "europe" );
        c2FactHandle = getFactHandle( c2FactHandle, workingMemory );
        workingMemory.update( c2FactHandle,
                              p2 );
        workingMemory = getSerialisedStatefulSession( workingMemory );
        workingMemory.fireAllRules();
        workingMemory = getSerialisedStatefulSession( workingMemory );
        cheeseList = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( Cheese.class ) ) );
        assertEquals( 1,
                      cheeseList.size() );

        // europe=[ 1, 2 ], america=[ 3 ]
        p1.setStatus( "europe" );
        c1FactHandle = getFactHandle( c1FactHandle, workingMemory );
        workingMemory.update( c1FactHandle,
                              p1 );
        workingMemory = getSerialisedStatefulSession( workingMemory );
        workingMemory.fireAllRules();
        workingMemory = getSerialisedStatefulSession( workingMemory );
        cheeseList = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( Cheese.class ) ) );
        assertEquals( 1,
                      cheeseList.size() );

        // europe=[ 1, 2, 3 ], america=[ ]
        p3.setStatus( "europe" );
        c3FactHandle = getFactHandle( c3FactHandle, workingMemory );
        workingMemory.update( c3FactHandle,
                              p3 );
        workingMemory = getSerialisedStatefulSession( workingMemory );
        workingMemory.fireAllRules();
        workingMemory = getSerialisedStatefulSession( workingMemory );
        cheeseList = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( Cheese.class ) ) );
        assertEquals( 2,
                      cheeseList.size() );
    }
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        ksession.fireAllRules();
        ksession = SerializationHelper.getSerialisedStatefulKnowledgeSession( ksession,
                                                                                   true );
        assertEquals( "There should be 2 CheeseEqual in Working Memory, 1 justified, 1 stated",
                      2,
                      ksession.getObjects( new ClassObjectFilter( CheeseEqual.class ) ).size() );
        assertEquals( 6,
                      ksession.getObjects().size() );

        h = getFactHandle( h, ksession );
        ksession.retract( h );
        ksession = SerializationHelper.getSerialisedStatefulKnowledgeSession( ksession,
                                                                              true );
        assertEquals( "There should be only 1 CheeseEqual in Working Memory, 1 stated (the justified should have been retracted). Check TruthMaintenanceSystem justifiedMap",
                      1,
                      ksession.getObjects( new ClassObjectFilter( CheeseEqual.class ) ).size() );
        assertEquals( 1,
                      ksession.getObjects( new ClassObjectFilter( Short.class ) ).size() );
        assertEquals( 2,
                      ksession.getObjects().size() );

        //clean-up
        ksession.fireAllRules();
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        session.fireAllRules();
       
        session = getSerialisedStatefulKnowledgeSession( session,
                                                         true ); 

        List temperatureList = new ArrayList( session.getObjects( new ClassObjectFilter( Integer.class ) ) );
        assertTrue( temperatureList.contains( Integer.valueOf( 100 ) ) );
        assertTrue( temperatureList.contains( Integer.valueOf( 200 ) ) );
        assertEquals( 2,
                      temperatureList.size() );

        sensor1.setTemperature( 150 );
        sensor1Handle =  getFactHandle( (org.drools.FactHandle) sensor1Handle, session );
        session.update( sensor1Handle, sensor1 );

        session = getSerialisedStatefulKnowledgeSession( session,
                                                         true ); 
        session.fireAllRules();

        temperatureList = new ArrayList( session.getObjects( new ClassObjectFilter( Integer.class ) ) );
        assertFalse( temperatureList.contains( Integer.valueOf( 100 ) ) );
        assertTrue( temperatureList.contains( Integer.valueOf( 150 ) ) );
        assertTrue( temperatureList.contains( Integer.valueOf( 200 ) ) );
        assertEquals( 2,
                      temperatureList.size() );
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        bart.setFather(abraham);
        FactHandle abrahamHandle = kSession.insert(abraham);
        FactHandle bartHandle = kSession.insert(bart);
        kSession.fireAllRules();
       
        youngestFathers = kSession.getObjects( new ClassObjectFilter(YoungestFather.class) );
        assertEquals( 1, youngestFathers.size() );
        assertEquals( bart, ((YoungestFather) youngestFathers.iterator().next()).getMan() );

        Father homer = new Father("homer");
        FactHandle homerHandle = kSession.insert(homer);

        homer.setFather(abraham);
        // If we do kSession.update(homerHandle, homer) here instead of after bart.setFather(homer) it works
        // But in some use cases we cannot do this because fact fields are actually called
        // while the facts are in an invalid temporary state
        bart.setFather(homer);
        // Late update call for homer, after bart has been changed too, but before fireAllRules
        kSession.update(homerHandle, homer);
        kSession.update(bartHandle, bart);
        kSession.fireAllRules();
       
        youngestFathers = kSession.getObjects( new ClassObjectFilter(YoungestFather.class) );
        assertEquals(bart, ((YoungestFather) youngestFathers.iterator().next()).getMan());
        assertEquals(1, youngestFathers.size());

        //System.err.println(reportWMObjects(kSession));
    }
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        workingMemory.insert( new Cheese( "stilton",
                                          10 ) );

        workingMemory.fireAllRules();

        Iterator events = workingMemory.iterateObjects( new ClassObjectFilter( PersonInterface.class ) );

        assertTrue( events.hasNext() );
        assertEquals( 1,
                      results.size() );
        assertEquals( results.get( 0 ),
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Related Classes of org.drools.ClassObjectFilter

  • org.drools.factmodel.traits.LogicalTraitTest
  • org.drools.integrationtests.MiscTest
  • org.drools.integrationtests.TruthMaintenanceTest
  • org.drools.planner.core.localsearch.LocalSearchSolverScope
  • org.drools.planner.core.score.director.drools.DroolsScoreDirector
  • org.drools.planner.core.solution.director.DefaultSolutionDirector
  • org.drools.planner.core.solver.AbstractSolverScope
  • org.drools.planner.examples.common.business.SolutionBusiness
  • org.drools.verifier.data.VerifierDataKnowledgeSession
  • org.jboss.seam.security.permission.RuleBasedPermissionResolver
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