Package org.drools.core.spi

Examples of org.drools.core.spi.ObjectType

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        }
    }

    private void attachObjectTypeNode( final BuildContext context, final BuildUtils utils, final Pattern pattern ) {
        boolean objectMemory = context.isObjectTypeNodeMemoryEnabled();
        ObjectType objectType = pattern.getObjectType();
       
        if ( pattern.getObjectType() instanceof ClassObjectType ) {
            // Is this the query node, if so we don't want any memory
            if ( DroolsQuery.class == ((ClassObjectType) pattern.getObjectType()).getClassType() ) {
                context.setTupleMemoryEnabled( false );
                context.setObjectTypeNodeMemoryEnabled( false );
            }
        }

        ObjectTypeNode otn = context.getComponentFactory().getNodeFactoryService().buildObjectTypeNode( context.getNextId(),
                                                 (EntryPointNode) context.getObjectSource(),
                                                 objectType,
                                                 context );
        if ( objectType.isEvent() && EventProcessingOption.STREAM.equals( context.getRuleBase().getConfiguration().getEventProcessingMode() ) ) {
            long expirationOffset = getExpiratioOffsetForType( context,
                                                               objectType );
            if( expirationOffset != -1 ) {
                // expiration policy is set, so use it
                otn.setExpirationOffset( expirationOffset );
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        }
        assertNotNull( defaultEntryPointNode );

        Map<ObjectType, ObjectTypeNode> obnodes = defaultEntryPointNode.getObjectTypeNodes();

        ObjectType key = new ClassObjectType( DroolsQuery.class );
        ObjectTypeNode droolsQueryNode = obnodes.get( key );
        ObjectHashSet droolsQueryMemory = ((ObjectTypeNodeMemory) sessionImpl.getNodeMemory( droolsQueryNode )).memory;
        assertEquals( 0,
                      droolsQueryMemory.size() );
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        this.entryPoint = entryPoint;
        this.typeDecl = kBase.getTypeDeclaration( clazz );
        isEvent = typeDecl != null && typeDecl.getRole() == Role.Type.EVENT;
        isTrait = determineTraitStatus();

        ObjectType objectType = kBase.getClassFieldAccessorCache().getClassObjectType( new ClassObjectType( clazz, isEvent ) );

        this.concreteObjectTypeNode = kBase.getRete().getObjectTypeNodes( entryPoint ).get( objectType );
        if ( this.concreteObjectTypeNode == null ) {
            BuildContext context = new BuildContext( kBase,
                                                     kBase.getReteooBuilder().getIdGenerator() );
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    public static Class<?> getNodeClass(ObjectTypeNode objectTypeNode) {
        if (objectTypeNode == null) {
            return null;
        }
        ObjectType objectType = objectTypeNode.getObjectType();
        return objectType != null && objectType instanceof ClassObjectType ? ((ClassObjectType)objectType).getClassType() : null;
    }
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            return;
        }

        Pattern pattern = context.getLastBuiltPatterns()[1]; // left input pattern

        ObjectType objectType = pattern == null || this.getType() == NodeTypeEnums.AccumulateNode ?
            ((LeftInputAdapterNode)leftInput).getParentObjectSource().getObjectTypeNode().getObjectType() :
            pattern.getObjectType();

        if ( !(objectType instanceof ClassObjectType) ) {
            // Only ClassObjectType can use property specific
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                    null,
                    "ObjectType not correctly defined"));
            return null;
        }

        ObjectType objectType = null;

        final FactTemplate factTemplate = context.getPkg().getFactTemplate( patternDescr.getObjectType() );

        if ( factTemplate != null ) {
            objectType = new FactTemplateObjectType( factTemplate );
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        }
        pattern.setListenedProperties(listenedProperties);
    }

    protected List<String> getSettableProperties(RuleBuildContext context, PatternDescr patternDescr, Pattern pattern) {
        ObjectType patternType = pattern.getObjectType();
        if (!(patternType instanceof ClassObjectType)) {
            return null;
        }
        Class<?> patternClass = ((ClassObjectType)patternType).getClassType();
        TypeDeclaration typeDeclaration = getTypeDeclarationForPattern(context, pattern);
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        typeDeclaration.setTypeClass(patternClass);
        return typeDeclaration.getSettableProperties();
    }

    private TypeDeclaration getTypeDeclarationForPattern(RuleBuildContext context, Pattern pattern) {
        ObjectType patternType = pattern.getObjectType();
        if (!(patternType instanceof ClassObjectType)) {
            return null;
        }
        Class<?> patternClass = ((ClassObjectType)patternType).getClassType();
        return context.getKnowledgeBuilder().getTypeDeclaration(patternClass);
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                                                                     declr,
                                                                     true );
        declr.setReadAccessor( extractor );

        if ( extractor instanceof ClassFieldReader ) {
            ObjectType patternType = pattern.getObjectType();
            if (patternType instanceof ClassObjectType) {
                Class<?> patternClass = ((ClassObjectType)patternType).getClassType();
                TypeDeclaration typeDeclaration = context.getKnowledgeBuilder().getTypeDeclaration(patternClass);

                String fieldName = (( ClassFieldReader) extractor ).getFieldName();
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public class QueryBuilder implements EngineElementBuilder {
    public Pattern build(final RuleBuildContext context,
                         final QueryDescr queryDescr) {
        ObjectType queryObjectType = ClassObjectType.DroolsQuery_ObjectType;
        final Pattern pattern = new Pattern( context.getNextPatternId(),
                                             0, // offset is 0 by default
                                             queryObjectType,
                                             null );
       
        final InternalReadAccessor extractor = PatternBuilder.getFieldReadAccessor(context, queryDescr, queryObjectType, "name", null, true);
        final QueryNameConstraint constraint = new QueryNameConstraint(extractor, queryDescr.getName());

        PatternBuilder.registerReadAccessor( context, queryObjectType, "name", constraint );

        // adds appropriate constraint to the pattern
        pattern.addConstraint( constraint );

        ObjectType argsObjectType = ClassObjectType.DroolsQuery_ObjectType;
       
        InternalReadAccessor arrayExtractor = PatternBuilder.getFieldReadAccessor( context, queryDescr, argsObjectType, "elements", null, true );

        QueryImpl query = ((QueryImpl) context.getRule());
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Related Classes of org.drools.core.spi.ObjectType

  • org.drools.compiler.integrationtests.QueryTest
  • org.drools.compiler.integrationtests.StreamsTest
  • org.drools.compiler.rule.builder.dialect.mvel.MVELConsequenceBuilderTest
  • org.drools.compiler.rule.builder.dialect.mvel.MVELSalienceBuilderTest
  • org.drools.compiler.rule.builder.PatternBuilder
  • org.drools.compiler.rule.builder.QueryBuilder
  • org.drools.compiler.rule.builder.QueryElementBuilder
  • org.drools.core.reteoo.AbstractTerminalNode
  • org.drools.core.reteoo.AccumulateNodeTest
  • org.drools.core.reteoo.BetaNode
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