Examples of org.drools.guvnor.models.commons.shared.rule.FactPattern

Package org.drools.guvnor.models.commons.shared.rule

Examples of org.drools.guvnor.models.commons.shared.rule.FactPattern

org.drools.guvnor.models.commons.shared.rule.FactPattern
A fact pattern is a declaration of a fact type, and its constraint, and perhaps a variable that is it bound to It is the equivalent of a "pattern" in drools terms.


    @Test
    public void textIsNullOperator() {
        final RuleModel m = new RuleModel();
        m.name = "IsNullOperator";
        final FactPattern pat = new FactPattern( "Person" );
        final SingleFieldConstraint con = new SingleFieldConstraint();
        con.setFieldName( "age" );
        con.setOperator( "== null" );
        pat.addConstraint( con );


        m.addLhsItem( pat );


        String s = BRDRLPersistence.getInstance().marshal( m );
        assertTrue( s.indexOf( "Person( age == null )" ) != -1 );

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    @Test
    public void textIsNotNullOperator() {
        final RuleModel m = new RuleModel();
        m.name = "IsNotNullOperator";
        final FactPattern pat = new FactPattern( "Person" );
        final SingleFieldConstraint con = new SingleFieldConstraint();
        con.setFieldName( "age" );
        con.setOperator( "!= null" );
        pat.addConstraint( con );


        m.addLhsItem( pat );


        String s = BRDRLPersistence.getInstance().marshal( m );
        assertTrue( s.indexOf( "Person( age != null )" ) != -1 );

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    }


    private RuleModel getModelWithNoConstraints() {
        final RuleModel m = new RuleModel();
        m.name = "Complex Rule";
        final FactPattern pat = new FactPattern( "Person" );
        pat.setBoundName( "p1" );
        final SingleFieldConstraint con = new SingleFieldConstraint();
        con.setFieldBinding( "f1" );
        con.setFieldName( "age" );
        // con.operator = "<";
        // con.value = "42";
        pat.addConstraint( con );


        m.addLhsItem( pat );


        return m;
    }

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    public void testOrComposite() throws Exception {
        RuleModel m = new RuleModel();
        m.name = "or";
        CompositeFactPattern cp = new CompositeFactPattern(
                CompositeFactPattern.COMPOSITE_TYPE_OR );
        FactPattern p1 = new FactPattern( "Person" );
        SingleFieldConstraint sf1 = new SingleFieldConstraint( "age" );
        sf1.setOperator( "==" );
        sf1.setValue( "42" );
        p1.addConstraint( sf1 );


        cp.addFactPattern( p1 );


        FactPattern p2 = new FactPattern( "Person" );
        SingleFieldConstraint sf2 = new SingleFieldConstraint( "age" );
        sf2.setOperator( "==" );
        sf2.setValue( "43" );
        p2.addConstraint( sf2 );


        cp.addFactPattern( p2 );


        m.addLhsItem( cp );

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    @Test
    public void testSingleExists() throws Exception {
        RuleModel m = new RuleModel();
        m.name = "or";
        CompositeFactPattern cp = new CompositeFactPattern( CompositeFactPattern.COMPOSITE_TYPE_EXISTS );
        FactPattern p1 = new FactPattern( "Person" );
        SingleFieldConstraint sf1 = new SingleFieldConstraint( "age" );
        sf1.setOperator( "==" );
        sf1.setValue( "42" );
        p1.addConstraint( sf1 );


        cp.addFactPattern( p1 );


        m.addLhsItem( cp );

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    private RuleModel getCompositeFOL( String type ) {
        RuleModel m = new RuleModel();
        m.name = "or";
        CompositeFactPattern cp = new CompositeFactPattern( type );
        FactPattern p1 = new FactPattern( "Person" );
        SingleFieldConstraint sf1 = new SingleFieldConstraint( "age" );
        sf1.setOperator( "==" );
        sf1.setValue( "42" );
        p1.addConstraint( sf1 );


        cp.addFactPattern( p1 );


        FactPattern p2 = new FactPattern( "Person" );
        SingleFieldConstraint sf2 = new SingleFieldConstraint( "age" );
        sf2.setOperator( "==" );
        sf2.setValue( "43" );
        p2.addConstraint( sf2 );


        cp.addFactPattern( p2 );


        m.addLhsItem( cp );

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    @Test
    public void testCompositeConstraints() {
        RuleModel m = new RuleModel();
        m.name = "with composite";


        FactPattern p1 = new FactPattern( "Person" );
        p1.setBoundName( "p1" );
        m.addLhsItem( p1 );


        FactPattern p = new FactPattern( "Goober" );
        m.addLhsItem( p );
        CompositeFieldConstraint comp = new CompositeFieldConstraint();
        comp.setCompositeJunctionType( CompositeFieldConstraint.COMPOSITE_TYPE_OR );
        p.addConstraint( comp );


        final SingleFieldConstraint X = new SingleFieldConstraint();
        X.setFieldName( "goo" );
        X.setFieldType( DataType.TYPE_STRING );
        X.setConstraintValueType( SingleFieldConstraint.TYPE_LITERAL );
        X.setValue( "foo" );
        X.setOperator( "==" );
        X.setConnectives( new ConnectiveConstraint[ 1 ] );
        X.getConnectives()[ 0 ] = new ConnectiveConstraint();
        X.getConnectives()[ 0 ].setConstraintValueType( ConnectiveConstraint.TYPE_LITERAL );
        X.getConnectives()[ 0 ].setFieldType( DataType.TYPE_STRING );
        X.getConnectives()[ 0 ].setOperator( "|| ==" );
        X.getConnectives()[ 0 ].setValue( "bar" );
        comp.addConstraint( X );


        final SingleFieldConstraint Y = new SingleFieldConstraint();
        Y.setFieldName( "goo2" );
        Y.setFieldType( DataType.TYPE_STRING );
        Y.setConstraintValueType( SingleFieldConstraint.TYPE_LITERAL );
        Y.setValue( "foo" );
        Y.setOperator( "==" );
        comp.addConstraint( Y );


        CompositeFieldConstraint comp2 = new CompositeFieldConstraint();
        comp2.setCompositeJunctionType( CompositeFieldConstraint.COMPOSITE_TYPE_AND );
        final SingleFieldConstraint Q1 = new SingleFieldConstraint();
        Q1.setFieldType( DataType.TYPE_STRING );
        Q1.setFieldName( "goo" );
        Q1.setOperator( "==" );
        Q1.setValue( "whee" );
        Q1.setConstraintValueType( BaseSingleFieldConstraint.TYPE_LITERAL );


        comp2.addConstraint( Q1 );


        final SingleFieldConstraint Q2 = new SingleFieldConstraint();
        Q2.setFieldType( DataType.TYPE_STRING );
        Q2.setFieldName( "gabba" );
        Q2.setOperator( "==" );
        Q2.setValue( "whee" );
        Q2.setConstraintValueType( BaseSingleFieldConstraint.TYPE_LITERAL );


        comp2.addConstraint( Q2 );


        // now nest it
        comp.addConstraint( comp2 );


        final SingleFieldConstraint Z = new SingleFieldConstraint();
        Z.setFieldName( "goo3" );
        Z.setConstraintValueType( SingleFieldConstraint.TYPE_LITERAL );
        Z.setFieldType( DataType.TYPE_STRING );
        Z.setValue( "foo" );
        Z.setOperator( "==" );


        p.addConstraint( Z );


        ActionInsertFact ass = new ActionInsertFact( "Whee" );
        m.addRhsItem( ass );


        String actual = BRDRLPersistence.getInstance().marshal( m );

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    @Test
    public void testFieldsDeclaredButNoConstraints() {
        RuleModel m = new RuleModel();
        m.name = "boo";


        FactPattern p = new FactPattern( "Person" );


        // this isn't an effective constraint, so it should be ignored.
        p.addConstraint( new SingleFieldConstraint( "field1" ) );


        m.addLhsItem( p );


        String actual = BRDRLPersistence.getInstance().marshal( m );


        String expected = "rule \"boo\" \tdialect \"mvel\"\n when Person() then end";


        checkMarshallUnmarshall( expected, m );


        SingleFieldConstraint con = (SingleFieldConstraint) p.getConstraintList().getConstraint( 0 );
        con.setFieldBinding( "q" );


        // now it should appear, as we are binding a var to it
        expected = "rule \"boo\" dialect \"mvel\" when Person(q : field1) then end";

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    public void testLiteralStrings() {


        RuleModel m = new RuleModel();
        m.name = "test literal strings";


        FactPattern p = new FactPattern( "Person" );
        SingleFieldConstraint con = new SingleFieldConstraint();
        con.setFieldType( DataType.TYPE_STRING );
        con.setFieldName( "field1" );
        con.setOperator( "==" );
        con.setValue( "goo" );
        con.setConstraintValueType( SingleFieldConstraint.TYPE_LITERAL );
        p.addConstraint( con );


        SingleFieldConstraint con2 = new SingleFieldConstraint();
        con2.setFieldName( "field2" );
        con2.setOperator( "==" );
        con2.setValue( "variableHere" );
        con2.setConstraintValueType( SingleFieldConstraint.TYPE_VARIABLE );
        p.addConstraint( con2 );


        m.addLhsItem( p );


        String expected = "rule \"test literal strings\""
                + "\tdialect \"mvel\"\n when "

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    public void testLHSExpressionString1() {


        RuleModel m = new RuleModel();
        m.name = "test expressionsString1";


        FactPattern p = new FactPattern( "Person" );
        SingleFieldConstraintEBLeftSide con = new SingleFieldConstraintEBLeftSide();
        con.getExpressionLeftSide().appendPart( new ExpressionText( "field1" ) );
        con.setOperator( "==" );
        con.setValue( "goo" );
        con.setConstraintValueType( SingleFieldConstraint.TYPE_LITERAL );
        p.addConstraint( con );


        m.addLhsItem( p );


        String expected = "rule \"test expressionsString1\""
                + "\tdialect \"mvel\"\n when "

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Related Classes of org.drools.guvnor.models.commons.shared.rule.FactPattern

org.drools.guvnor.models.commons.backend.rule.BRDRLPersistence

org.drools.guvnor.models.commons.backend.rule.BRDRLPersistenceTest

org.drools.guvnor.models.commons.backend.rule.BRLPersistenceTest

org.drools.guvnor.models.commons.backend.rule.RuleModelTest

org.drools.guvnor.models.guided.dtable.backend.GuidedDTDRLPersistence

org.drools.guvnor.models.guided.dtable.shared.model.BRLRuleModel

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