Package org.drools.core.impl

Examples of org.drools.core.impl.InternalKnowledgeBase

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    public void clear() {
        this.memories = new AtomicReferenceArray<Memory>( this.kBase.getNodeCount() );
    }

    public void resetAllMemories(StatefulKnowledgeSession session) {
        InternalKnowledgeBase kBase = (InternalKnowledgeBase)session.getKieBase();
        Set<SegmentMemory> smems = new HashSet<SegmentMemory>();

        for (int i = 0; i < memories.length(); i++) {
            Memory memory = memories.get(i);
            if (memory != null) {
                if (memory.getSegmentMemory() != null) {
                    smems.add(memory.getSegmentMemory());
                }
                memory.reset();
            }
        }

        for (SegmentMemory smem : smems) {
            smem.reset(kBase.getSegmentPrototype(smem));
            if ( smem.isSegmentLinked() ) {
                smem.notifyRuleLinkSegment((InternalWorkingMemory)session);
            }
        }
    }
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        return false;
    }

    public static ObjectTypeNode attachObjectTypeNode(BuildContext context,
                                                      ObjectType objectType) {
        final InternalKnowledgeBase ruleBase = context.getKnowledgeBase();
        ruleBase.lock();
        try {
            InternalWorkingMemory[] wms = context.getWorkingMemories();
            NodeFactory nfactory = context.getComponentFactory().getNodeFactoryService();

            EntryPointNode epn = ruleBase.getRete().getEntryPointNode( context.getCurrentEntryPoint() );
            if ( epn == null ) {
                epn = nfactory.buildEntryPointNode( context.getNextId(), ruleBase.getRete(), context );
                epn.attach( context );
            }

            ObjectTypeNode otn = nfactory.buildObjectTypeNode( context.getNextId(), epn, objectType, context );

            long expirationOffset = getExpiratioOffsetForType( context,
                                                               objectType );
            otn.setExpirationOffset( expirationOffset );

            otn.attach( context );

            return otn;
        } finally {
            ruleBase.unlock();
        }
    }
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    private static class ExecutorHolder {
        private static final Executor executor = ExecutorProviderFactory.getExecutorProvider().getExecutor();
    }

    private void executeJitting(InternalFactHandle handle, InternalWorkingMemory workingMemory, LeftTuple leftTuple) {
        InternalKnowledgeBase kBase = workingMemory.getKnowledgeBase();
        if ( MemoryUtil.permGenStats.isUsageThresholdExceeded(kBase.getConfiguration().getPermGenThreshold()) ) {
            return;
        }

        try {
            ClassLoader classLoader = kBase.getRootClassLoader();
            if (analyzedCondition == null) {
                analyzedCondition = ((MvelConditionEvaluator) conditionEvaluator).getAnalyzedCondition(handle, workingMemory, leftTuple);
            }
            conditionEvaluator = ASMConditionEvaluatorJitter.jitEvaluator(expression, analyzedCondition, declarations, classLoader, leftTuple);
        } catch (Throwable t) {
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        RuleImpl rule = pkg.getRule( "rule-1" );

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

        InternalKnowledgeBase kBase = (InternalKnowledgeBase)KnowledgeBaseFactory.newKnowledgeBase();
        kBase.getGlobals().put( "map", Map.class );
        final KieSession workingMemory = kBase.newStatefulKnowledgeSession();

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

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

        InternalKnowledgeBase kBase = (InternalKnowledgeBase)KnowledgeBaseFactory.newKnowledgeBase();

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

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

        final HashMap map = new HashMap();

        workingMemory.setGlobal( "map",
                                 map );
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        }

        // if we get to here, then we know the pkgs is now cached
        pkgs = kModule.getKnowledgePackagesForKieBase(kBaseModel.getName());

        InternalKnowledgeBase kBase = (InternalKnowledgeBase) KnowledgeBaseFactory.newKnowledgeBase( conf != null ? conf : getKnowledgeBaseConfiguration(kBaseModel, cl) );

        kBase.addKnowledgePackages( pkgs );
        return kBase;
    }
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            KnowledgeBuilderImpl builder = new KnowledgeBuilderImpl();
            builder.addPackageFromDrl(source);
            InternalKnowledgePackage pkg = builder.getPackage();

            // add the package to a rulebase (deploy the rule package).
            InternalKnowledgeBase kBase = (InternalKnowledgeBase) KnowledgeBaseFactory.newKnowledgeBase();
            kBase.addPackage(pkg);
            return kBase;

        } catch (Exception e) {
            throw new RuntimeException(e);
        }
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    public void testSegmentMemoryPrototype() throws Exception {
        KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
        kbuilder.add( ResourceFactory.newByteArrayResource(DRL.getBytes()),
                      ResourceType.DRL );

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

        KieSession ksession = kbase.newKieSession();
        checkKieSession(ksession);

        // Create a 2nd KieSession (that will use segment memory prototype) and check that it works as the former one
        KieSession ksession2 = kbase.newKieSession();
        checkKieSession(ksession2);
    }
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        if (conf == null) {
            conf = getKnowledgeBaseConfiguration(kBaseModel, cl);
        } else if (conf instanceof RuleBaseConfiguration) {
            ((RuleBaseConfiguration)conf).setClassLoader(cl);
        }
        InternalKnowledgeBase kBase = (InternalKnowledgeBase) KnowledgeBaseFactory.newKnowledgeBase( conf );

        kBase.addKnowledgePackages( pkgs );
        return kBase;
    }
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        assertEquals( 0, list.size() );
    }

    @Test(timeout=10000)
    public void testDynamicRuleRemovalsUnusedWorkingMemorySubNetwork() throws Exception {
        InternalKnowledgeBase kbase = (InternalKnowledgeBase) loadKnowledgeBase( "test_DynamicRulesWithSubnetwork1.drl",
                                                                                 "test_DynamicRulesWithSubnetwork2.drl",
                                                                                 "test_DynamicRulesWithSubnetwork.drl" );

        assertEquals( 2, kbase.getKnowledgePackages().size() );
        assertEquals( 4,
                      ((InternalRuleBase)kbase.getRuleBase()).getPackagesMap().get("org.drools.compiler").getRules().length );

        kbase.removeRule( "org.drools.compiler", "Apply Discount on all books" );
        assertEquals( 3,
                      ((InternalRuleBase)kbase.getRuleBase()).getPackagesMap().get("org.drools.compiler").getRules().length );

        kbase.removeRule( "org.drools.compiler", "like book" );
        assertEquals( 2,
                      ((InternalRuleBase)kbase.getRuleBase()).getPackagesMap().get("org.drools.compiler").getRules().length );

        kbase.removeKnowledgePackage( "org.drools.compiler" );
        assertEquals( 1,
                      kbase.getKnowledgePackages().size() );
    }
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Related Classes of org.drools.core.impl.InternalKnowledgeBase

  • org.drools.compiler.builder.impl.KnowledgeBuilderTest
  • org.drools.compiler.integrationtests.DynamicRuleRemovalTest
  • org.drools.compiler.integrationtests.DynamicRulesTest
  • org.drools.compiler.integrationtests.marshalling.FactHandleMarshallingTest
  • org.drools.compiler.integrationtests.SegmentMemoryPrototypeTest
  • org.drools.compiler.kie.builder.impl.KieContainerImpl
  • org.drools.compiler.reteoo.ReteooBuilderTest
  • org.drools.compiler.rule.builder.dialect.mvel.MVELAccumulateBuilderTest
  • org.drools.compiler.rule.builder.dialect.mvel.MVELConsequenceBuilderTest
  • org.drools.compiler.rule.builder.dialect.mvel.MVELEvalBuilderTest
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