Package org.drools.core.rule

Examples of org.drools.core.rule.Rule

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        ruleDescr.setConsequence( "map.put(\"value\", new Integer(1) );" );

        builder.addPackage( packageDescr );

        Package pkg = builder.getPackage();
        Rule rule = pkg.getRule( "rule-1" );

        assertLength( 0,
                      builder.getErrors().getErrors() );

        final ReteooRuleBase ruleBase = (ReteooRuleBase) RuleBaseFactory.newRuleBase();
        ruleBase.getGlobals().put( "map",
                                   Map.class );
        final KieSession workingMemory = new KnowledgeBaseImpl( ruleBase ).newStatefulKnowledgeSession();

        final HashMap map = new HashMap();
        workingMemory.setGlobal( "map",
                                 map );

        final LeftTupleImpl tuple = new MockTuple( new HashMap() );
        tuple.setLeftTupleSink( new RuleTerminalNode(1, new CompositeObjectSinkAdapterTest.MockBetaNode(), rule,rule.getLhs(), 0,new BuildContext(ruleBase, null) )  );       
        final Activation activation = new MockActivation( rule,
                                                          0,
                                                          rule.getLhs(),
                                                          tuple );

        DefaultKnowledgeHelper knowledgeHelper = new org.drools.core.base.DefaultKnowledgeHelper( ((StatefulKnowledgeSessionImpl)workingMemory).session );
        knowledgeHelper.setActivation( activation );

        rule.getConsequence().evaluate( knowledgeHelper,
                                        ((StatefulKnowledgeSessionImpl)workingMemory).session );
        assertEquals( new Integer( 1 ),
                      map.get( "value" ) );

        ruleDescr.setConsequence( "map.put(\"value\", new Integer(2) );" );
        pkg.removeRule( rule );

        // Make sure the compiled classes are also removed
        assertEquals( 0,
                      ((JavaDialectRuntimeData) pkg.getDialectRuntimeRegistry().getDialectData( "java" )).list().length );

        builder.addPackage( packageDescr );

        pkg = builder.getPackage();

        rule = pkg.getRule( "rule-1" );

        knowledgeHelper = new org.drools.core.base.DefaultKnowledgeHelper( ((StatefulKnowledgeSessionImpl)workingMemory).session );
        knowledgeHelper.setActivation( activation );

        rule.getConsequence().evaluate( knowledgeHelper,
                                        ((StatefulKnowledgeSessionImpl)workingMemory).session );
        assertEquals( new Integer( 2 ),
                      map.get( "value" ) );

    }
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        assertEquals( "p1",
                      back.getName() );

        builder.addPackage( packageDescr );
        final Package pkg = builder.getPackage();
        final Rule rule = pkg.getRule( "rule-1" );

        assertLength( 0,
                      builder.getErrors().getErrors() );

        final Package newPkg = SerializationHelper.serializeObject( pkg );
        final Rule newRule = newPkg.getRule( "rule-1" );

        final ReteooRuleBase ruleBase = (ReteooRuleBase) RuleBaseFactory.newRuleBase();

        // It's been serialised so we have to simulate the re-wiring process
        newPkg.getDialectRuntimeRegistry().onAdd( ruleBase.getRootClassLoader() );
        newPkg.getDialectRuntimeRegistry().onBeforeExecute();

        ruleBase.getGlobals().put( "map",
                                   Map.class );
        final KieSession workingMemory = new KnowledgeBaseImpl( ruleBase ).newStatefulKnowledgeSession();

        final HashMap map = new HashMap();

        workingMemory.setGlobal( "map",
                                 map );

        final LeftTupleImpl tuple = new MockTuple( new HashMap() );
        tuple.setLeftTupleSink( new RuleTerminalNode(1, new CompositeObjectSinkAdapterTest.MockBetaNode(), newRule,newRule.getLhs(), 0, new BuildContext(ruleBase, null) )  );
        final Activation activation = new MockActivation( newRule,
                                                          0,
                                                          newRule.getLhs(),
                                                          tuple );

        final DefaultKnowledgeHelper knowledgeHelper = new org.drools.core.base.DefaultKnowledgeHelper( ((StatefulKnowledgeSessionImpl)workingMemory).session );
        knowledgeHelper.setActivation( activation );

        newRule.getConsequence().evaluate( knowledgeHelper,
                                           ((StatefulKnowledgeSessionImpl)workingMemory).session );
        assertEquals( new Integer( 1 ),
                      map.get( "value" ) );
    }
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    public PropagationContext getPropagationContext() {
        return null;
    }

    public Rule getRule() {
        return new Rule( ruleName );
    }
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        ReteooRuleBase rbase = new ReteooRuleBase( "ID",
                                                   conf );
        BuildContext buildContext = new BuildContext( rbase,
                                                      rbase.getReteooBuilder().getIdGenerator() );

        Rule rule = new Rule( "rule1", "org.pkg1", null );
        org.drools.core.rule.Package pkg = new org.drools.core.rule.Package( "org.pkg1" );
        pkg.getDialectRuntimeRegistry().setDialectData( "mvel", new MVELDialectRuntimeData() );
        pkg.addRule( rule );
        buildContext.setRule( rule );
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        ReteooRuleBase rbase = new ReteooRuleBase( "ID",
                                                   conf );
        BuildContext buildContext = new BuildContext( rbase,
                                                      rbase.getReteooBuilder().getIdGenerator() );
   
        Rule rule = new Rule( "rule1", "org.pkg1", null );
        org.drools.core.rule.Package pkg = new org.drools.core.rule.Package( "org.pkg1" );
        pkg.getDialectRuntimeRegistry().setDialectData( "mvel", new MVELDialectRuntimeData() );
        pkg.addRule( rule );
        buildContext.setRule( rule );
   
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        assertLength( 0,
                      builder.getErrors().getErrors() );

        final Package pkg = builder.getPackage();
        final Rule rule = pkg.getRule( "rule-1" );
        final EvalCondition eval = (EvalCondition) rule.getLhs().getChildren().get( 1 );
        final CompiledInvoker invoker = (CompiledInvoker) eval.getEvalExpression();
        final List list = invoker.getMethodBytecode();
    }
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    }

    @Test
    public void testOr() throws Exception {
        final PackageBuilder builder = new PackageBuilder();
        final Rule rule = createRule( new OrDescr(),
                                      builder,
                                      "update(stilton);" );
        assertLength( 0,
                      builder.getErrors().getErrors() );

        final GroupElement lhs = rule.getLhs();
        assertLength( 1,
                      lhs.getChildren() );

        final GroupElement or = (GroupElement) lhs.getChildren().get( 0 );
        assertLength( 1,
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    }

    @Test
    public void testAnd() throws Exception {
        final PackageBuilder builder = new PackageBuilder();
        final Rule rule = createRule( new AndDescr(),
                                      builder,
                                      "update(stilton);" );
        assertLength( 0,
                      builder.getErrors().getErrors() );

        final GroupElement lhs = rule.getLhs();
        assertLength( 1,
                      lhs.getChildren() );

        final GroupElement and = (GroupElement) lhs.getChildren().get( 0 );
        assertLength( 1,
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    @Test
    public void testNot() throws Exception {
        PackageBuilder builder = new PackageBuilder();

        // Make sure we can't accessa  variable bound inside the not node
        Rule rule = createRule( new NotDescr(),
                                builder,
                                "update(stilton);" );

        assertTrue( builder.hasErrors() );

        builder = new PackageBuilder();
        rule = createRule( new NotDescr(),
                           builder,
                           "" );
        assertEquals( 0,
                      builder.getErrors().getErrors().length );

        final GroupElement lhs = rule.getLhs();
        assertLength( 1,
                      lhs.getChildren() );

        final GroupElement not = (GroupElement) lhs.getChildren().get( 0 );
        assertLength( 1,
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    @Test
    public void testExists() throws Exception {
        PackageBuilder builder = new PackageBuilder();

        // Make sure we can't accessa  variable bound inside the not node
        Rule rule = createRule( new ExistsDescr(),
                                builder,
                                "update(stilton);" );
       
        assertTrue( builder.hasErrors() );

        builder = new PackageBuilder();
        rule = createRule( new ExistsDescr(),
                           builder,
                           "" );
        assertEquals( 0,
                      builder.getErrors().getErrors().length );

        final GroupElement lhs = rule.getLhs();
        assertLength( 1,
                      lhs.getChildren() );

        final GroupElement exists = (GroupElement) lhs.getChildren().get( 0 );
        assertLength( 1,
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Related Classes of org.drools.core.rule.Rule

  • org.drools.compiler.compiler.PackageBuilder
  • org.drools.compiler.compiler.PackageBuilderTest
  • org.drools.compiler.compiler.PackageRegistry
  • org.drools.compiler.integrationtests.CepEspTest
  • org.drools.compiler.integrationtests.FirstOrderLogicTest
  • org.drools.compiler.integrationtests.marshalling.MarshallingTest
  • org.drools.compiler.integrationtests.RuleMetadataTest
  • org.drools.compiler.lang.api.DescrBuilderTest
  • org.drools.compiler.phreak.PhreakJoinNodeTest
  • org.drools.compiler.phreak.PhreakNotNodeTest
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