Package org.drools.common

Examples of org.drools.common.InternalRuleBase

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    public void testEventExpiration() throws Exception {
        // read in the source
        final Reader reader = new InputStreamReader( getClass().getResourceAsStream( "test_CEP_EventExpiration.drl" ) );
        final RuleBase ruleBase = loadRuleBase( reader );

        final InternalRuleBase internal = (InternalRuleBase) ruleBase;
        final TimeIntervalParser parser = new TimeIntervalParser();

        assertEquals( parser.parse( "1h30m" )[0].longValue(),
                      internal.getTypeDeclaration( StockTick.class ).getExpirationOffset() );
    }
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        final RuleBaseConfiguration conf = new RuleBaseConfiguration();
        conf.setEventProcessingMode( EventProcessingOption.STREAM );
        final RuleBase ruleBase = loadRuleBase( reader,
                                                conf );

        final InternalRuleBase internal = (InternalRuleBase) ruleBase;
        final TimeIntervalParser parser = new TimeIntervalParser();

        Map<ObjectType, ObjectTypeNode> objectTypeNodes = internal.getRete().getObjectTypeNodes( EntryPoint.DEFAULT );
        ObjectTypeNode node = objectTypeNodes.get( new ClassObjectType( StockTick.class ) );

        assertNotNull( node );

        // the expiration policy @expires(10m) should override the temporal operator usage
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        final RuleBaseConfiguration conf = new RuleBaseConfiguration();
        conf.setEventProcessingMode( EventProcessingOption.STREAM );
        final RuleBase ruleBase = loadRuleBase( reader,
                                                conf );

        final InternalRuleBase internal = (InternalRuleBase) ruleBase;
        final TimeIntervalParser parser = new TimeIntervalParser();

        Map<ObjectType, ObjectTypeNode> objectTypeNodes = internal.getRete().getObjectTypeNodes( EntryPoint.DEFAULT );
        ObjectTypeNode node = objectTypeNodes.get( new ClassObjectType( StockTick.class ) );

        assertNotNull( node );

        // the expiration policy @expires(10m) should override the temporal operator usage
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    private static class ExecutorHolder {
        private static final Executor executor = ExecutorProviderFactory.getExecutorProvider().getExecutor();
    }

    private void executeJitting(Object object, InternalWorkingMemory workingMemory, LeftTuple leftTuple) {
        InternalRuleBase ruleBase = ((InternalRuleBase) workingMemory.getRuleBase());
        if ( MemoryUtil.permGenStats.isUsageThresholdExceeded(ruleBase.getConfiguration().getPermGenThreshold()) ) {
            return;
        }

        CompositeClassLoader classLoader = ruleBase.getRootClassLoader();
        if (analyzedCondition == null) {
            analyzedCondition = ((MvelConditionEvaluator) conditionEvaluator).getAnalyzedCondition(object, workingMemory, leftTuple);
        }
        try {
            conditionEvaluator = ASMConditionEvaluatorJitter.jitEvaluator(expression, analyzedCondition, declarations, classLoader, leftTuple);
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        }
    }

    public static void writeInitialFactHandleRightTuples(MarshallerWriteContext context) throws IOException {
        ObjectOutputStream stream = context.stream;
        InternalRuleBase ruleBase = context.ruleBase;

        ObjectTypeNode initialFactNode = ruleBase.getRete().getEntryPointNode( EntryPoint.DEFAULT ).getObjectTypeNodes().get( ClassObjectType.InitialFact_ObjectType );

        // do we write the fact to the objecttypenode memory
        if ( initialFactNode != null ) {
            ObjectHashSet initialFactMemory = (ObjectHashSet) context.wm.getNodeMemory( initialFactNode );
            if ( initialFactMemory != null && !initialFactMemory.isEmpty() ) {
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    public static void writeLeftTuple(LeftTuple leftTuple,
                                      MarshallerWriteContext context,
                                      boolean recurse) throws IOException {
        ObjectOutputStream stream = context.stream;
        InternalRuleBase ruleBase = context.ruleBase;
        InternalWorkingMemory wm = context.wm;

        LeftTupleSink sink = leftTuple.getLeftTupleSink();

        switch ( sink.getType() ) {
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    public void testEventExpiration() throws Exception {
        // read in the source
        final Reader reader = new InputStreamReader( getClass().getResourceAsStream( "test_CEP_EventExpiration.drl" ) );
        final RuleBase ruleBase = loadRuleBase( reader );
       
        final InternalRuleBase internal = (InternalRuleBase) ruleBase;
        final TimeIntervalParser parser = new TimeIntervalParser();
       
        assertEquals( parser.parse( "1h30m" )[0].longValue(),
                      internal.getTypeDeclaration( StockTick.class ).getExpirationOffset() );
    }
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            /*
             * If the ruleBase is sequential, after rebuilding or incremental
             * update, do an ordering of the ReteooBuilder
             */
            // FIXME: this same code exists in ReteooRuleBase#newStatelessSession()
            InternalRuleBase ruleBase = (InternalRuleBase) ((KnowledgeBaseImpl) this.kbase).ruleBase;
            ruleBase.lock(); // XXX: readlock might be enough, no idea what order() does.
            try {
                if ( ruleBase.getConfiguration().isSequential() ) {
                    ruleBase.getReteooBuilder().order();
                }
            } finally {
                ruleBase.unlock();
            }
        }
        this.eventSupport.fireKnowledgeBaseUpdated( this.kbase );
        this.listener.debug( "KnowledgeAgent finished rebuilding KnowledgeBase using ChangeSet" );
    }
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        return false;
    }

    public static ObjectTypeNode attachObjectTypeNode(BuildContext context,
                                                      ObjectType objectType) {
        final InternalRuleBase ruleBase = context.getRuleBase();
        ruleBase.readLock();
        try {
            InternalWorkingMemory[] wms = context.getWorkingMemories();

            EntryPointNode epn = ruleBase.getRete().getEntryPointNode( context.getCurrentEntryPoint() );
            if ( epn == null ) {
                epn = new EntryPointNode( context.getNextId(),
                                          ruleBase.getRete(),
                                          context );
                if ( wms.length > 0 ) {
                    epn.attach( wms );
                } else {
                    epn.attach();
                }
            }

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

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

            if ( wms.length > 0 ) {
                otn.attach( wms );
            } else {
                otn.attach();
            }

            return otn;
        } finally {
            ruleBase.readUnlock();
        }
    }
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        }
    }

    public static void writeInitialFactHandleRightTuples(MarshallerWriteContext context) throws IOException {
        ObjectOutputStream stream = context.stream;
        InternalRuleBase ruleBase = context.ruleBase;

        ObjectTypeNode initialFactNode = ruleBase.getRete().getEntryPointNode( EntryPoint.DEFAULT ).getObjectTypeNodes().get( new ClassObjectType( InitialFact.class ) );

        // do we write the fact to the objecttypenode memory
        if ( initialFactNode != null ) {
            ObjectHashSet initialFactMemory = (ObjectHashSet) context.wm.getNodeMemory( initialFactNode );
            if ( initialFactMemory != null && !initialFactMemory.isEmpty() ) {
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Related Classes of org.drools.common.InternalRuleBase

  • org.drools.agent.impl.KnowledgeAgentImpl
  • org.drools.base.ModifyInterceptor
  • org.drools.container.spring.beans.KnowledgeServiceConfigurationBeanFactory
  • org.drools.integrationtests.CepEspTest
  • org.drools.integrationtests.MiscTest
  • org.drools.integrationtests.QueryTest
  • org.drools.marshalling.impl.AbstractProcessInstanceMarshaller
  • org.drools.marshalling.impl.InputMarshaller
  • org.drools.marshalling.impl.OutputMarshaller
  • org.drools.marshalling.impl.RuleFlowProcessInstanceMarshaller
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