Package org.drools

Examples of org.drools.ClassObjectFilter

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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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        if (summaryWorkingMemory == null) {
            return "  The workingMemory is null.";
        }
        Map<String, Number> scoreTotalMap = new TreeMap<String, Number>();
        Iterator<ConstraintOccurrence> it = (Iterator<ConstraintOccurrence>) summaryWorkingMemory.iterateObjects(
                new ClassObjectFilter(ConstraintOccurrence.class));
        while (it.hasNext()) {
            ConstraintOccurrence occurrence = it.next();
            Number scoreTotalNumber = scoreTotalMap.get(occurrence.getRuleId());
            if (occurrence instanceof IntConstraintOccurrence) {
                int scoreTotal = scoreTotalNumber == null ? 0 : (Integer) scoreTotalNumber;
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    private String buildScoreCorruptionAnalysis(DefaultSolutionDirector uncorruptedSolutionDirector) {
        Set<ConstraintOccurrence> workingConstraintOccurrenceSet = new LinkedHashSet<ConstraintOccurrence>();
        Iterator<ConstraintOccurrence> workingIt = (Iterator<ConstraintOccurrence>)
                workingMemory.iterateObjects(
                new ClassObjectFilter(ConstraintOccurrence.class));
        while (workingIt.hasNext()) {
            workingConstraintOccurrenceSet.add(workingIt.next());
        }
        Set<ConstraintOccurrence> uncorruptedConstraintOccurrenceSet = new LinkedHashSet<ConstraintOccurrence>();
        Iterator<ConstraintOccurrence> uncorruptedIt = (Iterator<ConstraintOccurrence>)
                uncorruptedSolutionDirector.getWorkingMemory().iterateObjects(
                        new ClassObjectFilter(ConstraintOccurrence.class));
        while (uncorruptedIt.hasNext()) {
            uncorruptedConstraintOccurrenceSet.add(uncorruptedIt.next());
        };
        Set<Object> excessSet = new LinkedHashSet<Object>(workingConstraintOccurrenceSet);
        excessSet.removeAll(uncorruptedConstraintOccurrenceSet);
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        ksession = getSerialisedStatefulKnowledgeSession( ksession,
                                                          true );       

        // Check logical Insertions where made for c2 and c3       
        list = new ArrayList( ksession.getObjects( new ClassObjectFilter( Person.class ) ) );
        assertEquals( 2,
                      list.size() );
        assertFalse( list.contains( new Person( c1.getType() ) ) );
        assertTrue( list.contains( new Person( c2.getType() ) ) );
        assertTrue( list.contains( new Person( c3.getType() ) ) );

        // this rule will make a logical assertion for c1 too
        kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
        kbuilder.add( ResourceFactory.newClassPathResource( "test_LogicalInsertionsDynamicRule2.drl",
                                                            getClass() ),
                      ResourceType.DRL );
        if ( kbuilder.hasErrors() ) {
            fail( kbuilder.getErrors().toString() );
        }       
        Collection<KnowledgePackage> kpkgs2 = kbuilder.getKnowledgePackages();
        kbase.addKnowledgePackages( kpkgs2 );
        kbase = SerializationHelper.serializeObject( kbase );

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

        kbase = ksession.getKnowledgeBase();

        // check all now have just one logical assertion each
        list = new ArrayList( ksession.getObjects( new ClassObjectFilter( Person.class ) ) );
        assertEquals( 3,
                      list.size() );
        assertTrue( list.contains( new Person( c1.getType() ) ) );
        assertTrue( list.contains( new Person( c2.getType() ) ) );
        assertTrue( list.contains( new Person( c3.getType() ) ) );
       
        ksession = getSerialisedStatefulKnowledgeSession( ksession,
                                                          true );       

        // check the packages are correctly populated
        assertEquals( 3, kbase.getKnowledgePackages().size() );
        KnowledgePackage test = null, test2 = null;
        // different JVMs return the package list in different order
        for( KnowledgePackage kpkg : kbase.getKnowledgePackages() ) {
            if( kpkg.getName().equals( "org.drools.test" )) {
                test = kpkg;
            } else if( kpkg.getName().equals( "org.drools.test2" )) {
                test2 = kpkg;
            }
        }
       
        assertNotNull( test );
        assertNotNull( test2 );
        assertEquals( "rule1",
                      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;
            } else if( kpkg.getName().equals( "org.drools.test2" )) {
                test2 = kpkg;
            }
        }
        assertNotNull( test );
        assertNotNull( test2 );

        // Check the rule was correctly remove
        assertEquals( 0,
                      test.getRules().size() );
        assertEquals( 1,
                      test2.getRules().size() );
        assertEquals( "rule2",
                      test2.getRules().iterator().next().getName() );

        list = new ArrayList( ksession.getObjects( new ClassObjectFilter( Person.class ) ) );
        assertEquals( "removal of the rule should result in retraction of c3's logical assertion",
                      2,
                      list.size() );
        assertTrue( "c1's logical assertion should not be retracted",
                    list.contains( new Person( c1.getType() ) ) );
        assertTrue( "c2's logical assertion should  not be retracted",
                    list.contains( new Person( c2.getType() ) ) );
        assertFalse( "c3's logical assertion should be  retracted",
                     list.contains( new Person( c3.getType() ) ) );

        c2.setPrice( 3 );
        h = getFactHandle( h, ksession );
        ksession.update( h,
                         c2 );
        ksession = getSerialisedStatefulKnowledgeSession( ksession,
                                                          true );       
        list = new ArrayList( ksession.getObjects( new ClassObjectFilter( Person.class ) ) );
        assertEquals( "c2 now has a higher price, its logical assertion should  be cancelled",
                      1,
                      list.size() );
        assertFalse( "The logical assertion cor c2 should have been retracted",
                     list.contains( new Person( c2.getType() ) ) );
        assertTrue( "The logical assertion  for c1 should exist",
                    list.contains( new Person( c1.getType() ) ) );

        // different JVMs return the package list in different order
        for( KnowledgePackage kpkg : kbase.getKnowledgePackages() ) {
            if( kpkg.getName().equals( "org.drools.test" )) {
                test = kpkg;
            } else if( kpkg.getName().equals( "org.drools.test2" )) {
                test2 = kpkg;
            }
        }
        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() ) {
            if( kpkg.getName().equals( "org.drools.test" )) {
                test = kpkg;
            } else if( kpkg.getName().equals( "org.drools.test2" )) {
                test2 = kpkg;
            }
        }
        assertNotNull( test );
        assertNotNull( test2 );
       
        assertEquals( 0,
                      test.getRules().size() );
        assertEquals( 0,
                      test2.getRules().size() );
        list = new ArrayList( ksession.getObjects( new ClassObjectFilter( Person.class ) ) );
        assertEquals( 0,
                      list.size() );
    }
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        session.fireAllRules();
       
        session = getSerialisedStatefulKnowledgeSession( session,
                                                         true );        
       
        Collection< ? > list = session.getObjects( new ClassObjectFilter( cheese1.getType().getClass() ) );
        assertEquals( 1,
                      list.size() );
        // probably dangerous, as contains works with equals, not identity
        assertEquals( cheese1.getType(),
                      list.iterator().next() );

        FactHandle h2 = session.insert( cheese2 );
        session.fireAllRules();
       
        session = getSerialisedStatefulKnowledgeSession( session,
                                                         true );        
       
        list = session.getObjects( new ClassObjectFilter( cheese1.getType().getClass() ) );
        assertEquals( 1,
                      list.size() );
        assertEquals( cheese1.getType(),
                      list.iterator().next() );

        assertEquals( 3,
                      session.getObjects().size() );

        h1 = getFactHandle( h1, session );
        session.retract( h1 );
        session = getSerialisedStatefulKnowledgeSession( session,
                                                         true );        
        session.fireAllRules();
        session = getSerialisedStatefulKnowledgeSession( session,
                                                         true );        
        list = session.getObjects( new ClassObjectFilter( cheese1.getType().getClass() ) );
        assertEquals( "cheese-type " + cheese1.getType() + " was retracted, but should not. Backed by cheese2 => type.",
                      1,
                      list.size() );
        assertEquals( "cheese-type " + cheese1.getType() + " was retracted, but should not. Backed by cheese2 => type.",
                      cheese1.getType(),
                      list.iterator().next() );

        h2 = getFactHandle( h2, session );
        session.retract( h2 );
        session = getSerialisedStatefulKnowledgeSession( session,
                                                         true );        
        session.fireAllRules();
        session = getSerialisedStatefulKnowledgeSession( session,
                                                         true );        
        list = session.getObjects( new ClassObjectFilter( cheese1.getType().getClass() ) );
        assertEquals( "cheese-type " + cheese1.getType() + " was not retracted, but should have. Neither  cheese1 => type nor cheese2 => type is true.",
                      0,
                      list.size() );
    }
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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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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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