Package org.drools.core

Examples of org.drools.core.RuleBase

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        PackageBuilder builder = new PackageBuilder();
        builder.addPackageFromDrl( new StringReader( rule1 ) );
        Package pkg = builder.getPackage();

        final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
        ruleBase.addPackage( pkg );

        // Make sure the rete node map is created correctly
        Map<Integer, BaseNode> nodes = RuleBaseNodes.getNodeMap( (InternalRuleBase) ruleBase );
        assertEquals( 2,
                      nodes.size() );
        assertEquals( "InitialFactImpl",
                      ((ClassObjectType) ((ObjectTypeNode) nodes.get( 2 )).getObjectType()).getClassType().getSimpleName() );
        assertEquals( "Rule 1",
                      ((RuleTerminalNode) nodes.get( 4 )).getRule().getName() );

        StatefulSession session = ruleBase.newStatefulSession();

        List list = new ArrayList();
        session.setGlobal( "list",
                           list );
        StatefulSession session1 = getSerialisedStatefulSession( session );
        session1.fireAllRules();

        assertEquals( 1,
                      ((List) session1.getGlobal( "list" )).size() );

        WorkingMemory session2 = getSerialisedStatefulSession( session1,
                                                               true );

        session.dispose();
        session1.dispose();

        builder = new PackageBuilder();
        builder.addPackageFromDrl( new StringReader( rule2 ) );
        pkg = builder.getPackage();

        ruleBase.addPackage( pkg );
        session2.fireAllRules();
        System.out.println(session2.getGlobal( "list" ));

        assertEquals( 2,
                      ((List) session2.getGlobal( "list" )).size() );
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        final PackageBuilder builder = new PackageBuilder();
        builder.addPackageFromDrl( new StringReader( rule ) );
        final Package pkg = builder.getPackage();

        final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
        ruleBase.addPackage( pkg );

        // Make sure the rete node map is created correctly
        Map<Integer, BaseNode> nodes = RuleBaseNodes.getNodeMap( (InternalRuleBase) ruleBase );
        assertEquals( 2,
                      nodes.size() );
        assertEquals( "Person",
                      ((ClassObjectType) ((ObjectTypeNode) nodes.get( 2 )).getObjectType()).getClassType().getSimpleName() );
        assertEquals( "Rule 1",
                      ((RuleTerminalNode) nodes.get( 4 )).getRule().getName() );

        StatefulSession session = ruleBase.newStatefulSession();

        List list = new ArrayList();
        session.setGlobal( "list",
                           list );
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        final PackageBuilder builder = new PackageBuilder();
        builder.addPackageFromDrl( new StringReader( rule ) );
        final Package pkg = builder.getPackage();

        final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
        ruleBase.addPackage( pkg );

        // Make sure the rete node map is created correctly
        Map<Integer, BaseNode> nodes = RuleBaseNodes.getNodeMap( (InternalRuleBase) ruleBase );
        assertEquals( 4,
                      nodes.size() );
        assertEquals( "Cheese",
                      ((ClassObjectType) ((ObjectTypeNode) nodes.get( 2 )).getObjectType()).getClassType().getSimpleName() );
        assertEquals( "Person",
                      ((ClassObjectType) ((ObjectTypeNode) nodes.get( 4 )).getObjectType()).getClassType().getSimpleName() );
        assertTrue( "Should end with JoinNode",  nodes.get( 5 ).getClass().getSimpleName().endsWith( "JoinNode") );
        assertEquals( "Rule 1",
                      ((RuleTerminalNode) nodes.get( 6 )).getRule().getName() );

        StatefulSession session = ruleBase.newStatefulSession();

        List list = new ArrayList();
        session.setGlobal( "list",
                           list );
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        builder.addPackageFromDrl( new StringReader( rule1 ) );
        builder.addPackageFromDrl( new StringReader( rule2 ) );
        builder.addPackageFromDrl( new StringReader( rule3 ) );
        final Package pkg = builder.getPackage();

        final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
        ruleBase.addPackage( pkg );

        StatefulSession session = ruleBase.newStatefulSession();

        List list = new ArrayList();
        session.setGlobal( "list",
                           list );
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        final PackageBuilder builder = new PackageBuilder();
        builder.addPackageFromDrl( new StringReader( header + rule1 ) );
        builder.addPackageFromDrl( new StringReader( header + rule2 ) );
        final Package pkg = builder.getPackage();

        final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
        ruleBase.addPackage( pkg );

        StatefulSession session = ruleBase.newStatefulSession();

        final List list = new ArrayList();

        final Person person = new Person( "person" );
        final Cheese cheese = new Cheese( "cheese",
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        builder.addPackageFromDrl( new StringReader( rule3 ) );
        builder.addPackageFromDrl( new StringReader( rule4 ) );

        final Package pkg = builder.getPackage();

        RuleBase ruleBase = RuleBaseFactory.newRuleBase();
        ruleBase.addPackage( pkg );
        ruleBase = SerializationHelper.serializeObject( ruleBase );
        StatefulSession session = ruleBase.newStatefulSession();
        session = getSerialisedStatefulSession( session );

        final List list = new ArrayList();
        session.setGlobal( "list",
                           list );
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        builder.addPackageFromDrl( new StringReader( rule3 ) );
        builder.addPackageFromDrl( new StringReader( rule4 ) );

        final Package pkg = builder.getPackage();

        RuleBase ruleBase = RuleBaseFactory.newRuleBase();
        ruleBase.addPackage( pkg );
        ruleBase = SerializationHelper.serializeObject( ruleBase );
        StatefulSession session = ruleBase.newStatefulSession();

        session = getSerialisedStatefulSession( session );

        final List list = new ArrayList();
        session.setGlobal( "list",
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                "  then\n" +
                "    results.add($n);\n" +
                "end" );
        builder.addPackageFromDrl( source );
        Package pkg = builder.getPackage();
        RuleBase ruleBase = RuleBaseFactory.newRuleBase();
        ruleBase.addPackage( pkg );
        StatefulSession session = ruleBase.newStatefulSession();
        session.setGlobal( "results",
                           new ArrayList() );

        session = getSerialisedStatefulSession( session );
        session.insert( new Message() );
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        PackageBuilder builder = new PackageBuilder();
        Reader source = new StringReader( "package org.drools\n" + "\n" + "import org.drools.compiler.Message\n" + "\n" + "rule MyRule\n" + "  when\n" + "    Number( intValue >= 5 ) from accumulate ( m: Message( ), count( m ) )\n" + "  then\n"
                                          + "    System.out.println(\"Found messages\");\n" + "end" );
        builder.addPackageFromDrl( source );
        Package pkg = builder.getPackage();
        RuleBase ruleBase = RuleBaseFactory.newRuleBase();
        ruleBase.addPackage( pkg );
        StatefulSession session = ruleBase.newStatefulSession();
        session.fireAllRules();

        session = getSerialisedStatefulSession( session );
        session.insert( new Message() );
        session.insert( new Message() );
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                                                                 new ObjectMarshallingStrategy[]{strategy} );
        return marshaller;
    }

    protected RuleBase getRuleBase(Package pkg) throws Exception {
        RuleBase ruleBase = getRuleBase();

        ruleBase.addPackage( pkg );
        return SerializationHelper.serializeObject( ruleBase );
    }
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Related Classes of org.drools.core.RuleBase

  • org.acme.insurance.launcher.PricingRuleLauncher
  • org.drools.compiler.CommonTestMethodBase
  • org.drools.compiler.compiler.QueryBuilderTest
  • org.drools.compiler.compiler.RuleBaseLoader
  • org.drools.compiler.compiler.RuleBaseLoaderTest
  • org.drools.compiler.integrationtests.AccumulateTest
  • org.drools.compiler.integrationtests.DroolsTest
  • org.drools.compiler.integrationtests.DynamicRulesTest
  • org.drools.compiler.integrationtests.eventgenerator.example.ExampleScenario
  • org.drools.compiler.integrationtests.eventgenerator.SimpleEventGeneratorTest
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