Examples of org.drools.brms.client.modeldriven.brl.FactPattern

Package org.drools.brms.client.modeldriven.brl

Examples of org.drools.brms.client.modeldriven.brl.FactPattern

org.drools.brms.client.modeldriven.brl.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. @author Michael Neale


    public void testBasics() {
        String expected = "rule \"my rule\"\n\tno-loop true\n\tdialect \"mvel\"\n\twhen\n\t\tPerson( )\n" +
                          "\t\tAccident( )\n\tthen\n\t\tinsert( new Report() );\nend\n";
        final RuleModel m = new RuleModel();
        m.addLhsItem( new FactPattern( "Person" ) );
        m.addLhsItem( new FactPattern( "Accident" ) );
        m.addAttribute( new RuleAttribute( "no-loop",
                                           "true" ) );


        m.addRhsItem( new ActionInsertFact( "Report" ) );
        m.name = "my rule";

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    //


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


        m.addLhsItem( pat );


        return m;
    }

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        m.addAttribute( new RuleAttribute( "salience",
                                           "-10" ) );
        m.addAttribute( new RuleAttribute( "agenda-group",
                                           "aGroup" ) );


        final FactPattern pat = new FactPattern();
        pat.boundName = "p1";
        pat.factType = "Person";
        final SingleFieldConstraint con = new SingleFieldConstraint();
        con.fieldBinding = "f1";
        con.fieldName = "age";
        con.operator = "<";
        con.value = "42";
        pat.addConstraint( con );


        m.addLhsItem( pat );


        final CompositeFactPattern comp = new CompositeFactPattern( "not" );
        comp.addFactPattern( new FactPattern( "Cancel" ) );
        m.addLhsItem( comp );


        final ActionUpdateField set = new ActionUpdateField();
        set.variable = "p1";
        set.addFieldValue( new ActionFieldValue( "status",

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


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


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


        final SingleFieldConstraint X = new SingleFieldConstraint();
        X.fieldName = "goo";
        X.constraintValueType = SingleFieldConstraint.TYPE_LITERAL;
        X.value = "foo";
        X.operator = "==";
        X.connectives = new ConnectiveConstraint[1];
        X.connectives[0] = new ConnectiveConstraint();
        X.connectives[0].constraintValueType = ConnectiveConstraint.TYPE_LITERAL;
        X.connectives[0].operator = "|| ==";
        X.connectives[0].value = "bar";
        comp.addConstraint( X );


        final SingleFieldConstraint Y = new SingleFieldConstraint();
        Y.fieldName = "goo2";
        Y.constraintValueType = SingleFieldConstraint.TYPE_LITERAL;
        Y.value = "foo";
        Y.operator = "==";
        comp.addConstraint( Y );


        CompositeFieldConstraint comp2 = new CompositeFieldConstraint();
        comp2.compositeJunctionType = CompositeFieldConstraint.COMPOSITE_TYPE_AND;
        final SingleFieldConstraint Q1 = new SingleFieldConstraint();
        Q1.fieldName = "goo";
        Q1.operator = "==";
        Q1.value = "whee";
        Q1.constraintValueType = ISingleFieldConstraint.TYPE_LITERAL;


        comp2.addConstraint( Q1 );


        final SingleFieldConstraint Q2 = new SingleFieldConstraint();
        Q2.fieldName = "gabba";
        Q2.operator = "==";
        Q2.value = "whee";
        Q2.constraintValueType = ISingleFieldConstraint.TYPE_LITERAL;


        comp2.addConstraint( Q2 );


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






        final SingleFieldConstraint Z = new SingleFieldConstraint();
        Z.fieldName = "goo3";
        Z.constraintValueType = SingleFieldConstraint.TYPE_LITERAL;
        Z.value = "foo";
        Z.operator = "==";


        p.addConstraint( Z );


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


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

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


        FactPattern p = new FactPattern();
        p.factType = "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 );

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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.fieldName = "field1";
        con.operator = "==";
        con.value = "goo";
        con.constraintValueType = SingleFieldConstraint.TYPE_LITERAL;
        p.addConstraint( con );




        SingleFieldConstraint con2 = new SingleFieldConstraint();
        con2.fieldName = "field2";
        con2.operator = "==";
        con2.value = "variableHere";
        con2.constraintValueType = SingleFieldConstraint.TYPE_VARIABLE;
        p.addConstraint( con2 );






        m.addLhsItem( p );

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    public void testReturnValueConstraint() {
        RuleModel m = new RuleModel();
        m.name = "yeah";


        FactPattern p = new FactPattern();


        SingleFieldConstraint con = new SingleFieldConstraint();
        con.constraintValueType = SingleFieldConstraint.TYPE_RET_VALUE;
        con.value = "someFunc(x)";
        con.operator = "==";
        con.fieldName = "goo";
        p.factType = "Goober";


        p.addConstraint( con );
        m.addLhsItem( p );


        String actual = BRDRLPersistence.getInstance().marshal( m );
        //System.err.println(actual);

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    public void testPredicateConstraint() {
        RuleModel m = new RuleModel();
        m.name = "yeah";


        FactPattern p = new FactPattern();


        SingleFieldConstraint con = new SingleFieldConstraint();
        con.constraintValueType = SingleFieldConstraint.TYPE_PREDICATE;
        con.value = "field soundslike 'poo'";


        p.factType = "Goober";


        p.addConstraint( con );
        m.addLhsItem( p );


        String actual = BRDRLPersistence.getInstance().marshal( m );
        //System.err.println(actual);

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    public void testConnective() {


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


        FactPattern p = new FactPattern("Person");
        SingleFieldConstraint con = new SingleFieldConstraint();
        con.fieldName = "field1";
        con.operator = "==";
        con.value = "goo";
        con.constraintValueType = SingleFieldConstraint.TYPE_VARIABLE;
        p.addConstraint( con );


        ConnectiveConstraint connective = new ConnectiveConstraint();
        connective.constraintValueType = ISingleFieldConstraint.TYPE_LITERAL;
        connective.operator = "|| ==";
        connective.value = "blah";

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    public void testReturnValueConstraint() {
        RuleModel m = new RuleModel();
        m.name = "yeah";
        
        FactPattern p = new FactPattern();
        
        SingleFieldConstraint con = new SingleFieldConstraint();
        con.constraintValueType = SingleFieldConstraint.TYPE_RET_VALUE;
        con.value = "someFunc(x)";
        con.operator = "==";
        con.fieldName = "goo";
        p.factType = "Goober";
        
        p.addConstraint( con );
        m.addLhsItem( p );
        
        String actual = BRDRLPersistence.getInstance().marshal( m );
        //System.err.println(actual);

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Related Classes of org.drools.brms.client.modeldriven.brl.FactPattern

org.drools.brms.client.modeldriven.SuggestionCompletionEngineTest

org.drools.brms.modeldriven.CompositeFactPatternTest

org.drools.brms.modeldriven.FactPatternTest

org.drools.brms.modeldriven.RuleModelTest

org.drools.brms.server.util.BRDRLPersistenceTest

org.drools.brms.server.util.BRLPersitenceTest

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