Examples of org.drools.definition.type.FactType

org.drools.definition.type.FactType
FactType declarations are fact definitions (like classes) that are managed alongside the rules. You then communicate with the rulebase/knowledge base by using instances created by this. There are utility set and get methods on this, as well as in the FactFields. The Object that is used is a javabean (which was generated by the engine). You can also use reflection on it as normal. @author etirelli

        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
        kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );


        //NEW WORKING MEMORY
        StatefulKnowledgeSession session = kbase.newStatefulKnowledgeSession();
        FactType scorecardType = kbase.getFactType( "org.drools.scorecards.example","SampleScore" );


        DroolsScorecard scorecard = (DroolsScorecard) scorecardType.newInstance();
        scorecardType.set(scorecard, "age", 10);
        session.insert(scorecard);
        session.fireAllRules();
        session.dispose();
        //age = 30, validLicence -1
        assertTrue(29 == scorecard.getCalculatedScore());
        //age-reasoncode=AGE02, license-reasoncode=VL002
        assertEquals(2, scorecard.getReasonCodes().size());
        assertTrue(scorecard.getReasonCodes().contains("AGE02"));
        assertTrue(scorecard.getReasonCodes().contains("VL099"));


        session = kbase.newStatefulKnowledgeSession();
        scorecard = (DroolsScorecard) scorecardType.newInstance();
        scorecardType.set(scorecard, "age", 0);
        scorecardType.set(scorecard, "occupation", "SKYDIVER");
        session.insert(scorecard);
        session.fireAllRules();
        session.dispose();
        //occupation = -10, age = +10, validLicense = -1;
        assertTrue(-1 == scorecard.getCalculatedScore());
        assertEquals(3, scorecard.getReasonCodes().size());
        //[AGE01, VL002, OCC01]
        assertTrue(scorecard.getReasonCodes().contains("AGE01"));
        assertTrue(scorecard.getReasonCodes().contains("VL099"));
        assertTrue(scorecard.getReasonCodes().contains("OCC99"));


        session = kbase.newStatefulKnowledgeSession();
        scorecard = (DroolsScorecard) scorecardType.newInstance();
        scorecardType.set(scorecard, "age", 20);
        scorecardType.set(scorecard, "occupation", "TEACHER");
        scorecardType.set(scorecard, "residenceState", "AP");
        scorecardType.set(scorecard, "validLicense", true);
        session.insert( scorecard );
        session.fireAllRules();
        session.dispose();
        //occupation = +10, age = +40, state = -10, validLicense = 1
        assertEquals(41.0,scorecard.getCalculatedScore());

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        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
        kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );


        //NEW WORKING MEMORY
        StatefulKnowledgeSession session = kbase.newStatefulKnowledgeSession();
        FactType scorecardType = kbase.getFactType( "org.drools.scorecards.example","SampleScore" );


        DroolsScorecard scorecard = (DroolsScorecard) scorecardType.newInstance();
        scorecardType.set(scorecard, "age", 10);
        session.insert(scorecard);
        session.fireAllRules();
        session.dispose();
        //age = 30, validLicence -1, initialScore = 100;
        assertTrue(129 == scorecard.getCalculatedScore());
        //age-reasoncode=AGE02, license-reasoncode=VL002
        assertEquals(2, scorecard.getReasonCodes().size());
        assertTrue(scorecard.getReasonCodes().contains("AGE02"));
        assertTrue(scorecard.getReasonCodes().contains("VL002"));


        session = kbase.newStatefulKnowledgeSession();
        scorecard = (DroolsScorecard) scorecardType.newInstance();
        scorecardType.set(scorecard, "age", 0);
        scorecardType.set(scorecard, "occupation", "SKYDIVER");
        session.insert(scorecard);
        session.fireAllRules();
        session.dispose();
        //occupation = -10, age = +10, validLicense = -1, initialScore = 100;
        assertEquals(99.0, scorecard.getCalculatedScore());


        assertEquals(3, scorecard.getReasonCodes().size());
        //[AGE01, VL002, OCC01]
        assertTrue(scorecard.getReasonCodes().contains("AGE01"));
        assertTrue(scorecard.getReasonCodes().contains("VL002"));
        assertTrue(scorecard.getReasonCodes().contains("OCC01"));


        session = kbase.newStatefulKnowledgeSession();
        scorecard = (DroolsScorecard) scorecardType.newInstance();
        scorecardType.set(scorecard, "age", 20);
        scorecardType.set(scorecard, "occupation", "TEACHER");
        scorecardType.set(scorecard, "residenceState", "AP");
        scorecardType.set(scorecard, "validLicense", true);
        session.insert( scorecard );
        session.fireAllRules();
        session.dispose();
        //occupation = +10, age = +40, state = -10, validLicense = 1, initialScore = 100;
        assertEquals(141.0,scorecard.getCalculatedScore());

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    public FactType getFactType(final String name) {
        readLock();
        try {
            for ( Package pkg : this.pkgs.values() ) {
                FactType type = pkg.getFactType( name );
                if ( type != null ) {
                    return type;
                }
            }
            return null;

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        try {
            // has to execute queued actions, as there might be pending
            // compilation data reloads
            this.executeQueuedActions();
            for (Package pkg : this.pkgs.values()) {
                FactType type = pkg.getFactType( name );
                if (type != null) {
                    return type;
                }
            }
            return null;

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        try {
            // has to execute queued actions, as there might be pending
            // compilation data reloads
            this.executeQueuedActions();
            for (Package pkg : this.pkgs.values()) {
                FactType type = pkg.getFactType( name );
                if (type != null) {
                    return type;
                }
            }
            return null;

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        return false;
    }


    public FactType getFactType(final String name) {
        for ( Package pkg : this.pkgs.values() ) {
            FactType type = pkg.getFactType( name );
            if ( type != null ) {
                return type;
            }
        }
        return null;

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        // test kbase serialization
        kbase = SerializationHelper.serializeObject( kbase );


        // Retrieve the generated fact type
        FactType cheeseFact = kbase.getFactType( "org.drools.generatedbeans",
                                                 "Cheese" );


        assertTrue( "Generated beans must be serializable",
                    Serializable.class.isAssignableFrom( cheeseFact.getFactClass() ) );


        // Create a new Fact instance
        Object cheese = cheeseFact.newInstance();
        cheeseFact.set( cheese,
                        "type",
                        "stilton" );


        // another instance
        Object cheese2 = cheeseFact.newInstance();
        cheeseFact.set( cheese2,
                        "type",
                        "brie" );


        // creating a stateful session
        StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();

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        KnowledgeBase kbase = loadKnowledgeBaseFromString( str );


        StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();


        FactType asgType = kbase.getFactType( "org.drools",
                                              "Assignment" );
        Object asg = asgType.newInstance();
        asgType.set( asg,
                     "source",
                     10 );
        asgType.set( asg,
                     "target",
                     10 );


        ksession.insert( asg );

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        KnowledgeBase kbase = loadKnowledgeBaseFromString( str );


        StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();


        FactType asgType = kbase.getFactType( "org.drools",
                                              "Assignment" );
        Object asg = asgType.newInstance();
        asgType.set( asg,
                     "source",
                     Object.class );
        asgType.set( asg,
                     "target",
                     Object.class );


        ksession.insert( asg );

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        KnowledgeBase kbase = loadKnowledgeBaseFromString( ruleFileContent1,
                                                           ruleFileContent2 );
        StatefulKnowledgeSession knowledgeSession = kbase.newStatefulKnowledgeSession();


        final FactType myDeclaredFactType = kbase.getFactType( "org.drools.integrationtests",
                                                               "MyDeclaredType" );
        Object myDeclaredFactInstance = myDeclaredFactType.newInstance();
        knowledgeSession.insert( myDeclaredFactInstance );


        int rulesFired = knowledgeSession.fireAllRules();


        assertEquals( 1,

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Related Classes of org.drools.definition.type.FactType

com.notidiots.MortgageApplicationTest

org.drools.agent.KnowledgeAgentDeclaredFactsTest

org.drools.common.AbstractRuleBase

org.drools.compiler.TypeDeclarationTest

org.drools.definitions.KnowledgePackageMetaDataTest

org.drools.factmodel.traits.LogicalTraitTest

org.drools.factmodel.traits.TraitFieldsAndLegacyClassesTest

org.drools.factmodel.traits.TraitTest

org.drools.factmodel.traits.TripleBasedTraitsTest

org.drools.guvnor.examples.mortgage.client.MortgageClientExample

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