Package org.drools

Examples of org.drools.StatelessSession

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public class AlwaysFalseTest extends TestBaseOld {

    @Test
    public void testPatterns() throws Exception {
        StatelessSession session = getStatelessSession( this.getClass().getResourceAsStream( "Patterns.drl" ) );

        session.setAgendaFilter( new RuleNameMatchesAgendaFilter( "Pattern that is always false" ) );

        VerifierReport result = VerifierReportFactory.newVerifierReport();
        Collection<Object> data = new ArrayList<Object>();

        session.setGlobal( "result",
                           result );

        // This pattern has an error.
        Pattern pattern1 = VerifierComponentMockFactory.createPattern1();

        Restriction r1 = LiteralRestriction.createRestriction( pattern1,
                                                               "" );
        Restriction r2 = LiteralRestriction.createRestriction( pattern1,
                                                               "" );
        Incompatibility i1 = new Incompatibility( r1,
                                                  r2 );
        SubPattern pp1 = new SubPattern( pattern1,
                                         0 );
        pp1.add( r1 );
        pp1.add( r2 );

        Restriction r3 = new VariableRestriction( pattern1 );
        Restriction r4 = new VariableRestriction( pattern1 );
        Incompatibility i2 = new Incompatibility( r1,
                                                  r2 );
        SubPattern pp2 = new SubPattern( pattern1,
                                         1 );
        pp2.add( r1 );
        pp2.add( r2 );

        // This pattern does not have an error.
        Pattern pattern2 = VerifierComponentMockFactory.createPattern2();

        Restriction r5 = LiteralRestriction.createRestriction( pattern2,
                                                               "" );
        Restriction r6 = LiteralRestriction.createRestriction( pattern2,
                                                               "" );
        SubPattern pp3 = new SubPattern( pattern2,
                                         0 );
        pp3.add( r5 );
        pp3.add( r6 );

        Restriction r7 = new VariableRestriction( pattern2 );
        Restriction r8 = new VariableRestriction( pattern2 );
        Incompatibility i4 = new Incompatibility( r7,
                                                  r8 );
        SubPattern pp4 = new SubPattern( pattern2,
                                         1 );
        pp4.add( r7 );
        pp4.add( r8 );

        data.add( VerifierComponentMockFactory.createRule1() );

        data.add( pattern1 );
        data.add( r1 );
        data.add( r2 );
        data.add( r3 );
        data.add( r4 );
        data.add( i1 );
        data.add( i2 );
        data.add( pp1 );
        data.add( pp2 );

        data.add( pattern2 );
        data.add( r5 );
        data.add( r6 );
        data.add( r7 );
        data.add( r8 );
        data.add( i4 );
        data.add( pp3 );
        data.add( pp4 );

        session.executeWithResults( data );

        Iterator<VerifierMessageBase> iter = result.getBySeverity( Severity.ERROR ).iterator();

        boolean works = false;
        while ( iter.hasNext() ) {
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     *
     * @throws Exception
     */
    @Test
    public void testSinglePatternNoRestrictions() throws Exception {
        StatelessSession session = getStatelessSession( this.getClass().getResourceAsStream( "Patterns.drl" ) );

        session.setAgendaFilter( new RuleNameMatchesAgendaFilter( "Pattern that is always false" ) );

        VerifierReport result = VerifierReportFactory.newVerifierReport();
        Collection<Object> data = new ArrayList<Object>();

        session.setGlobal( "result",
                           result );

        // This pattern has an error.
        VerifierRule rule1 = VerifierComponentMockFactory.createRule1();
        Pattern pattern1 = VerifierComponentMockFactory.createPattern1();

        data.add( rule1 );
        data.add( pattern1 );

        session.executeWithResults( data );

        assertEquals( 0,
                      result.getBySeverity( Severity.ERROR ).size() );
        assertEquals( 0,
                      result.getBySeverity( Severity.WARNING ).size() );
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                      result.getBySeverity( Severity.NOTE ).size() );
    }

    @Test
    public void testRules() throws Exception {
        StatelessSession session = getStatelessSession( this.getClass().getResourceAsStream( "Rules.drl" ) );

        session.setAgendaFilter( new RuleNameMatchesAgendaFilter( "Rule that is always false" ) );

        VerifierReport result = VerifierReportFactory.newVerifierReport();
        Collection<Object> data = new ArrayList<Object>();

        session.setGlobal( "result",
                           result );

        // This rule has an error.
        VerifierRule rule1 = VerifierComponentMockFactory.createRule1();
        Pattern pattern1 = VerifierComponentMockFactory.createPattern1();

        SubPattern pp1 = new SubPattern( pattern1,
                                         0 );
        SubPattern pp2 = new SubPattern( pattern1,
                                         1 );
        Incompatibility i1 = new Incompatibility( pp1,
                                                  pp2 );
        SubRule rp1 = new SubRule( rule1,
                                   0 );
        rp1.add( pp1 );
        rp1.add( pp2 );

        SubPattern pp3 = new SubPattern( pattern1,
                                         2 );
        SubPattern pp4 = new SubPattern( pattern1,
                                         3 );
        Incompatibility i2 = new Incompatibility( pp1,
                                                  pp2 );
        SubRule rp2 = new SubRule( rule1,
                                   1 );
        rp2.add( pp1 );
        rp2.add( pp2 );

        // This pattern does not have an error.
        VerifierRule rule2 = VerifierComponentMockFactory.createRule2();
        Pattern pattern2 = VerifierComponentMockFactory.createPattern2();

        SubPattern pp5 = new SubPattern( pattern2,
                                         0 );
        SubPattern pp6 = new SubPattern( pattern2,
                                         1 );
        SubRule rp3 = new SubRule( rule2,
                                   2 );
        rp3.add( pp5 );
        rp3.add( pp6 );

        SubPattern pp7 = new SubPattern( pattern2,
                                         2 );
        SubPattern pp8 = new SubPattern( pattern2,
                                         3 );
        Incompatibility i4 = new Incompatibility( pp7,
                                                  pp8 );
        SubRule rp4 = new SubRule( rule2,
                                   3 );
        rp4.add( pp7 );
        rp4.add( pp8 );

        data.add( rule1 );
        data.add( pp1 );
        data.add( pp2 );
        data.add( pp3 );
        data.add( pp4 );
        data.add( i1 );
        data.add( i2 );
        data.add( rp1 );
        data.add( rp2 );

        data.add( rule2 );
        data.add( pp5 );
        data.add( pp6 );
        data.add( pp7 );
        data.add( pp8 );
        data.add( i4 );
        data.add( rp3 );
        data.add( rp4 );

        session.executeWithResults( data );

        Iterator<VerifierMessageBase> iter = result.getBySeverity( Severity.ERROR ).iterator();

        boolean works = false;
        while ( iter.hasNext() ) {
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public class PatternOrderTest extends TestBaseOld {

    @Test
    public void testEvalOrderInsideOperator() throws Exception {
        StatelessSession session = getStatelessSession( this.getClass().getResourceAsStream( "PatternOrder.drl" ) );

        session.setAgendaFilter( new RuleNameMatchesAgendaFilter( "Optimise evals inside pattern" ) );

        VerifierReport result = VerifierReportFactory.newVerifierReport();
        Collection< ? extends Object> testData = getTestData( this.getClass().getResourceAsStream( "OptimisationPatternOrderTest.drl" ),
                                                              result.getVerifierData() );

        session.setGlobal( "result",
                           result );

        session.executeWithResults( testData );

        Iterator<VerifierMessageBase> iter = result.getBySeverity( Severity.NOTE ).iterator();

        Collection<String> ruleNames = new ArrayList<String>();
        while ( iter.hasNext() ) {
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public class RestrictionOrderTest extends TestBaseOld {

    @Test
    public void testRestrictionOrderInsideOperator() throws Exception {
        StatelessSession session = getStatelessSession( this.getClass().getResourceAsStream( "RestrictionOrder.drl" ) );

        session.setAgendaFilter( new RuleNameMatchesAgendaFilter( "Optimise restrictions inside operator" ) );

        VerifierReport result = VerifierReportFactory.newVerifierReport();
        Collection< ? extends Object> testData = getTestData( this.getClass().getResourceAsStream( "OptimisationRestrictionOrderTest.drl" ),
                                                              result.getVerifierData() );

        //        for ( Object object : testData ) {
        //            if ( object instanceof SubPattern ) {
        //                SubPattern s = (SubPattern) object;
        //                System.out.println( " - " + s );
        //                for ( PatternComponent o : s.getItems() ) {
        //                    System.out.println( " -- " + o + " : " + o.getOrderNumber() );
        //                }
        //            }
        //        }

        session.setGlobal( "result",
                           result );

        session.executeWithResults( testData );

        Iterator<VerifierMessageBase> iter = result.getBySeverity( Severity.NOTE ).iterator();

        Collection<String> ruleNames = new ArrayList<String>();
        while ( iter.hasNext() ) {
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        }
    }

    @Test
    public void testPredicateOrderInsideOperator() throws Exception {
        StatelessSession session = getStatelessSession( this.getClass().getResourceAsStream( "RestrictionOrder.drl" ) );

        session.setAgendaFilter( new RuleNameMatchesAgendaFilter( "Optimise predicates inside operator" ) );

        VerifierReport result = VerifierReportFactory.newVerifierReport();
        Collection< ? extends Object> testData = getTestData( this.getClass().getResourceAsStream( "OptimisationRestrictionOrderTest.drl" ),
                                                              result.getVerifierData() );

        session.setGlobal( "result",
                           result );

        session.executeWithResults( testData );

        Iterator<VerifierMessageBase> iter = result.getBySeverity( Severity.NOTE ).iterator();

        Collection<String> ruleNames = new ArrayList<String>();
        while ( iter.hasNext() ) {
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public class NotesTest extends TestBaseOld {

    @Test
    public void testRedundantRestrictionsInPatternPossibilities() throws Exception {
        StatelessSession session = getStatelessSession( this.getClass().getResourceAsStream( "Notes.drl" ) );

        session.setAgendaFilter( new RuleNameMatchesAgendaFilter( "Find redundant restrictions from pattern possibilities" ) );

        Pattern pattern = VerifierComponentMockFactory.createPattern1();

        Collection<Object> objects = new ArrayList<Object>();
        LiteralRestriction left = LiteralRestriction.createRestriction( pattern,
                                                                        "" );

        LiteralRestriction right = LiteralRestriction.createRestriction( pattern,
                                                                         "" );

        Redundancy redundancy = new Redundancy( left,
                                                right );

        SubPattern possibility = new SubPattern( pattern,
                                                 0 );
        possibility.add( left );
        possibility.add( right );

        objects.add( left );
        objects.add( right );
        objects.add( redundancy );
        objects.add( possibility );

        VerifierReport result = VerifierReportFactory.newVerifierReport();
        session.setGlobal( "result",
                           result );

        session.executeWithResults( objects );

        Collection<VerifierMessageBase> notes = result.getBySeverity( Severity.NOTE );

        // Has at least one item.
        assertEquals( 1,
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                      causes.next() );
    }

    @Test
    public void testRedundantPatternPossibilitiesInRulePossibilities() throws Exception {
        StatelessSession session = getStatelessSession( this.getClass().getResourceAsStream( "Notes.drl" ) );

        session.setAgendaFilter( new RuleNameMatchesAgendaFilter( "Find redundant pattern possibilities from rule possibilities" ) );

        VerifierRule rule = VerifierComponentMockFactory.createRule1();
        Pattern pattern = VerifierComponentMockFactory.createPattern1();

        Collection<Object> objects = new ArrayList<Object>();
        SubPattern left = new SubPattern( pattern,
                                          0 );

        SubPattern right = new SubPattern( pattern,
                                           1 );

        Redundancy redundancy = new Redundancy( left,
                                                right );

        SubRule possibility = new SubRule( rule,
                                           0 );
        possibility.add( left );
        possibility.add( right );

        objects.add( left );
        objects.add( right );
        objects.add( redundancy );
        objects.add( possibility );

        VerifierReport result = VerifierReportFactory.newVerifierReport();
        session.setGlobal( "result",
                           result );

        session.executeWithResults( objects );

        Collection<VerifierMessageBase> notes = result.getBySeverity( Severity.NOTE );

        // Has at least one item.
        assertEquals( 1,
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public class IncompatibilityRestrictionsTest extends IncompatibilityBase {

    @Test
    public void testLiteralRestrictionsIncompatibilityLessOrEqual() throws Exception {
        StatelessSession session = getStatelessSession(this.getClass().getResourceAsStream("Restrictions.drl"));

        session.setAgendaFilter(new RuleNameMatchesAgendaFilter("Incompatible LiteralRestrictions with ranges in pattern possibility, impossible equality less or equal"));

        Collection<Object> data = new ArrayList<Object>();

        Pattern pattern1 = VerifierComponentMockFactory.createPattern1();
        Pattern pattern2 = VerifierComponentMockFactory.createPattern2();

        /*
         * Working pair
         */
        LiteralRestriction r1 = LiteralRestriction.createRestriction(pattern1,
                "10");
        r1.setOperator(Operator.EQUAL);
        r1.setFieldPath("0");
        r1.setOrderNumber(0);

        LiteralRestriction r2 = LiteralRestriction.createRestriction(pattern1,
                "1");
        r2.setOperator(Operator.LESS);
        r2.setFieldPath("0");
        r2.setOrderNumber(2);

        /*
         * Pair that doesn't work.
         */
        LiteralRestriction r3 = LiteralRestriction.createRestriction(pattern2,
                "1");
        r3.setOperator(Operator.GREATER_OR_EQUAL);
        r3.setFieldPath("1");
        r3.setOrderNumber(0);

        LiteralRestriction r4 = LiteralRestriction.createRestriction(pattern2,
                "10");
        r4.setOperator(Operator.EQUAL);
        r4.setFieldPath("1");
        r4.setOrderNumber(1);

        data.add(r1);
        data.add(r2);
        data.add(r3);
        data.add(r4);

        StatelessSessionResult sessionResult = session.executeWithResults(data);

        Map<Cause, Set<Cause>> map = createIncompatibilityMap(VerifierComponentType.RESTRICTION,
                sessionResult.iterateObjects());

        assertTrue((TestBaseOld.causeMapContains(map,
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        }
    }

    @Test
    public void testLiteralRestrictionsIncompatibilityGreater() throws Exception {
        StatelessSession session = getStatelessSession(this.getClass().getResourceAsStream("Restrictions.drl"));

        session.setAgendaFilter(new RuleNameMatchesAgendaFilter("Incompatible LiteralRestrictions with ranges in pattern possibility, impossible equality greater"));

        Collection<Object> data = new ArrayList<Object>();

        Pattern pattern1 = VerifierComponentMockFactory.createPattern1();
        Pattern pattern2 = VerifierComponentMockFactory.createPattern2();

        /*
         * Working pair
         */
        LiteralRestriction r1 = LiteralRestriction.createRestriction(pattern1,
                "10");
        r1.setOperator(Operator.GREATER);
        r1.setFieldPath("0");
        r1.setOrderNumber(0);

        LiteralRestriction r2 = LiteralRestriction.createRestriction(pattern1,
                "1");
        r2.setOperator(Operator.EQUAL);
        r2.setFieldPath("0");
        r2.setOrderNumber(1);

        /*
         * Pair that doesn't work.
         */
        LiteralRestriction r3 = LiteralRestriction.createRestriction(pattern2,
                "1");
        r3.setOperator(Operator.GREATER_OR_EQUAL);
        r3.setFieldPath("1");
        r3.setOrderNumber(0);

        LiteralRestriction r4 = LiteralRestriction.createRestriction(pattern2,
                "10");
        r4.setOperator(Operator.EQUAL);
        r4.setFieldPath("1");
        r4.setOrderNumber(1);

        data.add(r1);
        data.add(r2);
        data.add(r3);
        data.add(r4);

        StatelessSessionResult sessionResult = session.executeWithResults(data);

        Map<Cause, Set<Cause>> map = createIncompatibilityMap(VerifierComponentType.RESTRICTION,
                sessionResult.iterateObjects());

        assertTrue((TestBaseOld.causeMapContains(map,
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