Examples of org.drools.compiler.PackageBuilder.addPackageFromDrl()

Class org.drools.compiler.PackageBuilder

Examples of org.drools.compiler.PackageBuilder.addPackageFromDrl()

org.drools.compiler.PackageBuilder.addPackageFromDrl()
Load a rule package from DRL source. @param reader @throws DroolsParserException @throws IOException

        ruleBase.addPackage( pkg );
        ruleBase.removePackage( pkg.getName() );


        //add and remove again
        builder = new PackageBuilder();
        builder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "test_Dynamic1.drl" ) ) );
        pkg = serialisePackage( builder.getPackage() );
        ruleBase.addPackage( pkg );
        ruleBase.removePackage( pkg.getName() );
    }

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                                                            this.getClass().getClassLoader() );
            Class cheeseClass = loader1.loadClass( "org.drools.Cheese" );


            PackageBuilderConfiguration conf = new PackageBuilderConfiguration( loader1 );
            PackageBuilder builder = new PackageBuilder( conf );
            builder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "test_Dynamic1.drl" ) ) );


            // must set the classloader for rulebase conf too
            RuleBaseConfiguration rbconf = new RuleBaseConfiguration( loader1 );
            RuleBase ruleBase = RuleBaseFactory.newRuleBase( rbconf );
            Package pkg = serialisePackage( builder.getPackage() );

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                                                            this.getClass().getClassLoader() );
            cheeseClass = loader2.loadClass( "org.drools.Cheese" );


            conf = new PackageBuilderConfiguration( loader2 );
            builder = new PackageBuilder( conf );
            builder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "test_Dynamic1.drl" ) ) );


            rbconf = new RuleBaseConfiguration( loader2 );
            ruleBase = RuleBaseFactory.newRuleBase( rbconf );
            pkg = serialisePackage( builder.getPackage() );
            ruleBase.addPackage( pkg );

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                                                            this.getClass().getClassLoader() );
            Thread.currentThread().setContextClassLoader( loader1 );
            Class cheeseClass = loader1.loadClass( "org.drools.Cheese" );


            PackageBuilder builder = new PackageBuilder();
            builder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "test_Dynamic1.drl" ) ) );


            RuleBase ruleBase = RuleBaseFactory.newRuleBase();
            Package pkg = serialisePackage( builder.getPackage() );
            ruleBase.addPackage( pkg );

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                                                            this.getClass().getClassLoader() );
            Thread.currentThread().setContextClassLoader( loader2 );
            cheeseClass = loader2.loadClass( "org.drools.Cheese" );


            builder = new PackageBuilder();
            builder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "test_Dynamic1.drl" ) ) );


            ruleBase = RuleBaseFactory.newRuleBase();
            pkg = serialisePackage( builder.getPackage() );
            ruleBase.addPackage( pkg );

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        }
    }


    public void testCollectDynamicRules() throws Exception {
        final PackageBuilder builder = new PackageBuilder();
        builder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "test_CollectDynamicRules1.drl" ) ) );
        final Package pkg = builder.getPackage();


        final RuleBase ruleBase = getRuleBase();
        ruleBase.addPackage( pkg );
        final WorkingMemory workingMemory = ruleBase.newStatefulSession();

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        workingMemory.insert( new Cheese( "brie", 10 ) );
        workingMemory.insert( new Cheese( "stilton", 10 ) );
        workingMemory.insert( new Cheese( "muzzarela", 10 ) );


        final PackageBuilder builder2 = new PackageBuilder();
        builder2.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "test_CollectDynamicRules2.drl" ) ) );
        final Package pkg2 = builder2.getPackage();
        ruleBase.addPackage( pkg2 );


        // fire all rules is automatic
        assertEquals( 1, list.size() );

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    public void testDynamicRulesAddRemove() {
        try {
            RuleBase ruleBase = RuleBaseFactory.newRuleBase();
            
            PackageBuilder tomBuilder = new PackageBuilder();
            tomBuilder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "test_DynamicRulesTom.drl" ) ) );
            ruleBase.addPackage( tomBuilder.getPackage() );


            StatefulSession session = ruleBase.newStatefulSession();
            List results = new ArrayList();
            session.setGlobal( "results", results );

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            assertTrue( results.contains( h6.getObject() ) );
            assertTrue( results.contains( h10.getObject() ) );
            results.clear();


            PackageBuilder fredBuilder = new PackageBuilder();
            fredBuilder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "test_DynamicRulesFred.drl" ) ) );
            ruleBase.addPackage( fredBuilder.getPackage() );


            assertEquals( 2, results.size() );
            assertTrue( results.contains( h2.getObject() ) );
            assertTrue( results.contains( h4.getObject() ) );

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            results.clear();


            ruleBase.removePackage( "tom" );


            PackageBuilder edBuilder = new PackageBuilder();
            edBuilder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "test_DynamicRulesEd.drl" ) ) );
            ruleBase.addPackage( edBuilder.getPackage() );


            assertEquals( 2, results.size() );
            assertTrue( results.contains( h5.getObject() ) );
            assertTrue( results.contains( h9.getObject() ) );

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