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

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

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        try {

      if (fileName.endsWith(DroolsCompilerAntTask.BRLFILEEXTENSION)) {

        RuleModel model = BRXMLPersistence.getInstance().unmarshal(
            loadResource(fileName));
        String packagefile = loadResource(resolvePackageFile(this.srcdir
            .getAbsolutePath()));
        model.name = fileName.replace(DroolsCompilerAntTask.BRLFILEEXTENSION,
            "");
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        InputStreamReader instream = null;

        try {

            if ( fileName.endsWith( DroolsAntTask.BRLFILEEXTENSION ) ) {
                RuleModel model = BRXMLPersistence.getInstance().unmarshal( loadResource( fileName ) );
                String packagefile = loadResource( getPackageFile( this.srcdir.getAbsolutePath() ) );
               
                model.name = fileName.replace( DroolsAntTask.BRLFILEEXTENSION,
                                               "" );
               
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    /* (non-Javadoc)
     * @see org.drools.brms.server.util.BRLPersistence#toModel(java.lang.String)
     */
    public RuleModel unmarshal(final String xml) {
        if ( xml == null ) {
            return new RuleModel();
        }
        if ( xml.trim().equals( "" ) ) {
            return new RuleModel();
        }
        return (RuleModel) this.xt.fromXML( xml );
    }
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    }

    public void testGenerateEmptyDRL() {
        String expected = "rule \"null\"\n\tdialect \"mvel\"\n\twhen\n\tthen\nend\n";

        final String drl = p.marshal( new RuleModel() );

        assertNotNull( drl );
        assertEquals( expected,
                      drl );
    }
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    }

    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";

        final String drl = p.marshal( m );
        assertEquals( expected,
                      drl );
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        assertEquals( expected,
                      drl );
    }

    public void testMoreComplexRendering() {
        final RuleModel m = getComplexModel();
        String expected = "rule \"Complex Rule\"\n" +
                          "\tno-loop true\n" +
                          "\tsalience -10\n" +
                          "\tagenda-group \"aGroup\"\n" +
                          "\tdialect \"mvel\"\n" +
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    }


    public void testFieldBindingWithNoConstraints() {
        //to satisfy JBRULES-850
        RuleModel m = getModelWithNoConstraints();
        String s = BRDRLPersistence.getInstance().marshal( m );
        //System.out.println(s);
        assertTrue(s.indexOf( "Person( f1 : age)" ) != -1);
    }
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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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        return m;
    }

    private RuleModel getComplexModel() {
        final RuleModel m = new RuleModel();
        m.name = "Complex Rule";

        m.addAttribute( new RuleAttribute( "no-loop",
                                           "true" ) );
        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",
                                                 "rejected",
                                                 SuggestionCompletionEngine.TYPE_STRING ) );
        m.addRhsItem( set );

        final ActionRetractFact ret = new ActionRetractFact( "p1" );
        m.addRhsItem( ret );

        final DSLSentence sen = new DSLSentence();
        sen.sentence = "Send an email to {administrator}";

        m.addRhsItem( sen );
        return m;
    }
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    //        m = BRXMLPersistence.getInstance().unmarshal( "" );
    //        assertNotNull( m );
    //    }

    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 );
        String expected = "rule \"with composite\" " +
            " \tdialect \"mvel\"\n when " +
                "p1 : Person( ) " +
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Related Classes of org.drools.brms.client.modeldriven.brl.RuleModel

  • org.drools.brms.modeldriven.RuleModelTest
  • org.drools.brms.server.util.BRDRLPersistenceTest
  • org.drools.brms.server.util.BRLPersitenceTest
  • org.drools.brms.server.util.BRXMLPersistence
  • org.drools.contrib.DroolsAntTask
  • org.drools.contrib.DroolsCompilerAntTask
  • java.util.ArrayList
  • java.util.List
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