Examples of org.drools.io.RuleBaseLoader

org.drools.io.RuleBaseLoader
Convenience methods for loading a RuleBase, as well as lower level calls for building up a rule base from RuleSets. Note that the loadXXX static helper methods work directly off DRL, building/compiling behind the scenes. The addXXX methods generally work with pre compiled rules binaries (DDJ's as they are known).
The RuleBaseLoader provides convenience methods for loading RuleBase s from streams. RuleBaseLoader is thread-safe and as such may be used to build multiple RuleBase s simultaneously by multiple threads.
@see RuleSet @see RuleBase @see RuleSetReader @see RuleBaseBuilder @see SerializableRuleBaseProxy @author bob mcwhirter TODO: Move static helper methods into a different class.

        String ruleText = getTestRuleSet( ).toXML( );                
                
        RuleSetLoader ruleSetLoader = new RuleSetLoader();           
        ruleSetLoader.addFromReader( new StringReader( ruleText ) );            
        
        RuleBaseLoader ruleBaseLoader = new RuleBaseLoader();
        ruleBaseLoader.addFromRuleSetLoader(ruleSetLoader);
        RuleBase ruleBase = ruleBaseLoader.buildRuleBase();
        assertNotNull( ruleBase );
    }

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        try
        {           
            RuleSetLoader ruleSetLoader = new RuleSetLoader();           
            ruleSetLoader.addFromReader(new StringReader( ruleset.toXML( ) ) );            
            
            RuleBaseLoader ruleBaseLoader = new RuleBaseLoader();
            ruleBaseLoader.addFromRuleSetLoader(ruleSetLoader);
            ruleBaseLoader.buildRuleBase();            
            
            fail( );
        }
        catch ( IntegrationException e )
        {

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        try
        {
            RuleSetLoader ruleSetLoader = new RuleSetLoader();           
            ruleSetLoader.addFromReader(new StringReader( ruleset.toXML( ) ) );            
            
            RuleBaseLoader ruleBaseLoader = new RuleBaseLoader();
            ruleBaseLoader.addFromRuleSetLoader(ruleSetLoader);
            RuleBase ruleBase = ruleBaseLoader.buildRuleBase();      
            fail( );
        }
        catch ( Exception e )
        {
            System.out.println( e.toString( ) );

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        Ruleset ruleSet = RulesetToDRLTest.getTestRuleSet( );
               
        RuleSetLoader ruleSetLoader = new RuleSetLoader();           
        ruleSetLoader.addFromReader(new StringReader( ruleSet.toXML( ) ) );            
        
        RuleBaseLoader ruleBaseLoader = new RuleBaseLoader();
        ruleBaseLoader.addFromRuleSetLoader(ruleSetLoader);
        RuleBase ruleBase = ruleBaseLoader.buildRuleBase();           


        WorkingMemory engine = ruleBase.newWorkingMemory( );
        engine.assertObject( "yes" );
        engine.fireAllRules( );
    }

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        RuleSetLoader ruleSetLoader = new RuleSetLoader();           
        ruleSetLoader.addFromReader( reader);            
        
        RuleBaseLoader ruleBaseLoader = new RuleBaseLoader();
        ruleBaseLoader.addFromRuleSetLoader(ruleSetLoader);
        return ruleBaseLoader.buildRuleBase();                           
    }

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            System.out.println( "loading drl file: " + conwayDrlFile );
            
            RuleSetLoader ruleSetLoader = new RuleSetLoader();           
            ruleSetLoader.addFromUrl( CellGrid.class.getResource( conwayDrlFile ) );            
            
            RuleBaseLoader ruleBaseLoader = new RuleBaseLoader();
            ruleBaseLoader.addFromRuleSetLoader(ruleSetLoader);
            ruleBase = ruleBaseLoader.buildRuleBase();                
        }
        catch ( Exception e )
        {
            throw new RuntimeException( "Unable To Initialise RuleBaseFactory:\n" + e.getMessage() );
        }

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        try
        {
            RuleSetLoader ruleSetLoader = new RuleSetLoader();           
            ruleSetLoader.addFromUrl( FibonacciExample.class.getResource( args[ 0 ] ) );            
            
            RuleBaseLoader ruleBaseLoader = new RuleBaseLoader();
            ruleBaseLoader.addFromRuleSetLoader(ruleSetLoader);
            RuleBase ruleBase = ruleBaseLoader.buildRuleBase();
               


            WorkingMemory workingMemory;
            Fibonacci fibonacci;
            long start;

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    {
        System.out.println( "Loading DRL: " + DRL_FILE + "..." );
        RuleSetLoader ruleSetLoader = new RuleSetLoader();           
        ruleSetLoader.addFromUrl( MannersBenchmark.class.getResource( DRL_FILE ) );            
        
        RuleBaseLoader ruleBaseLoader = new RuleBaseLoader(ComplexityConflictResolver.getInstance( ));
        ruleBaseLoader.addFromRuleSetLoader(ruleSetLoader);
        RuleBase ruleBase = ruleBaseLoader.buildRuleBase();         
        
        File dotFile = new File( DOT_FILE );
        System.out.println( "Creating DOT: " + dotFile.getCanonicalPath() + "..." );

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        try
        {
            RuleSetLoader ruleSetLoader = new RuleSetLoader();           
            ruleSetLoader.addFromUrl( PetStore.class.getResource( args[0] ) );            
            
            RuleBaseLoader ruleBaseLoader = new RuleBaseLoader();
            ruleBaseLoader.addFromRuleSetLoader(ruleSetLoader);
            RuleBase ruleBase = ruleBaseLoader.buildRuleBase();                  
            


            Vector stock = new Vector( );
            stock.add( new CartItem( "Gold Fish", 5 ) );
            stock.add( new CartItem( "Fish Tank", 25 ) );

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            Heating heating = new Heating();            
            
            RuleSetLoader ruleSetLoader = new RuleSetLoader();           
            ruleSetLoader.addFromUrl( HouseExample.class.getResource( "house.drl" ) );            
            
            RuleBaseLoader ruleBaseLoader = new RuleBaseLoader();
            ruleBaseLoader.addFromRuleSetLoader(ruleSetLoader);
            RuleBase ruleBase = ruleBaseLoader.buildRuleBase();            
            
            // Dumper dumper = new Dumper(ruleBase);
            // dumper.dumpRete(System.err);


            WorkingMemory workingMemory;

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Related Classes of org.drools.io.RuleBaseLoader

org.drools.decisiontable.DecisionTableLoader

org.drools.decisiontable.RulesetExecTest

org.drools.decisiontable.RulesetToDRLTest

org.drools.examples.benchmarks.manners.MannersBenchmark

org.drools.examples.benchmarks.waltz.WaltzBenchmark

org.drools.examples.conway.rules.RuleBaseFactory

org.drools.examples.escalation.Escalation

org.drools.examples.fibonacci.FibonacciExample

org.drools.examples.helloworld.HelloWorldExample

org.drools.examples.house.HouseExample

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