Examples of oracle.toplink.essentials.internal.ejb.cmp3.EntityManagerSetupImpl

Package oracle.toplink.essentials.internal.ejb.cmp3

Examples of oracle.toplink.essentials.internal.ejb.cmp3.EntityManagerSetupImpl

oracle.toplink.essentials.internal.ejb.cmp3.metadata.accessors.RelationshipAccessor
INTERNAL: A TopLink specific implementer of the EntityManagerInitializer interface.

    /**
     * INTERNAL:
     * Process the information contained in the entity-mappings node.
     */
    public void processEntityMappings() {
        MetadataPersistenceUnit persistenceUnit = m_project.getPersistenceUnit();
        
        if (persistenceUnit != null) {
            // Use the persistent unit defaults ..
            XMLClassAccessor.m_entityMappingsAccess = m_helper.getNodeTextValue(XMLConstants.ENTITY_MAPPINGS, XMLConstants.ACCESS, persistenceUnit.getAccess());
            XMLClassAccessor.m_entityMappingsSchema = m_helper.getNodeTextValue(XMLConstants.ENTITY_MAPPINGS, XMLConstants.SCHEMA, persistenceUnit.getSchema());
            XMLClassAccessor.m_entityMappingsCatalog = m_helper.getNodeTextValue(XMLConstants.ENTITY_MAPPINGS, XMLConstants.CATALOG, persistenceUnit.getCatalog());
        } else {
            XMLClassAccessor.m_entityMappingsAccess = m_helper.getNodeTextValue(XMLConstants.ENTITY_MAPPINGS, XMLConstants.ACCESS);
            XMLClassAccessor.m_entityMappingsSchema = m_helper.getNodeTextValue(XMLConstants.ENTITY_MAPPINGS, XMLConstants.SCHEMA);
            XMLClassAccessor.m_entityMappingsCatalog = m_helper.getNodeTextValue(XMLConstants.ENTITY_MAPPINGS, XMLConstants.CATALOG);
        }

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         }
        
        session.getPlatform().setConversionManager(new EJB30ConversionManager());


        // Create an instance of MetadataProcessor for specified persistence unit info
        MetadataProcessor processor = new MetadataProcessor(unitInfo, session, privateClassLoader, true);
        // Process the Object/relational metadata from XML and annotations.
        PersistenceUnitProcessor.processORMetadata(processor,privateClassLoader, session, false);


        //Collection entities = buildEntityList(persistenceUnitInfo, privateClassLoader);
        Collection entities = PersistenceUnitProcessor.buildEntityList(processor,privateClassLoader);

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     * INTERNAL: (Overidden in XMLClassAccessor and XMLEmbeddedAccessor)
     * Fast track processing a ClassAccessor for the given descriptor. 
     * Inheritance root classes and embeddables may be fast tracked.
     */
    protected ClassAccessor processAccessor(MetadataDescriptor descriptor) {
        ClassAccessor accessor = new ClassAccessor(new MetadataClass(descriptor.getJavaClass()), getProcessor(), descriptor);
        descriptor.setClassAccessor(accessor);
        accessor.process();
        return accessor;
    }

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     * session. This call is made from the EntityManagerSetup deploy call.
     */
    public void addEntityListeners() {
        for (MetadataDescriptor descriptor: m_project.getDescriptors()) {
            // Process all descriptors that are in our project.
            ClassAccessor accessor = descriptor.getClassAccessor();
            
            descriptor.setJavaClass(descriptor.getClassDescriptor().getJavaClass());
            // The class loader has changed, update the class stored for
            // our class accessor and its list of mapped superclasses.
            accessor.setAnnotatedElement(descriptor.getJavaClass());
            accessor.clearMappedSuperclasses();            
            
            accessor.processListeners(m_loader);
        }
    }

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        // take a copy of the collection to avoid concurrent modification exception
        // that would result when embeddables are added lazily.
        for (MetadataDescriptor descriptor:
             m_project.getDescriptors().toArray(new MetadataDescriptor[]{})) {
            // Process all descriptors that are in our project.
            ClassAccessor accessor = descriptor.getClassAccessor();
                
            // If there is no accessor on this descriptor then it has not been
            // processed yet. Create one and process it.
            if (accessor == null) {
                accessor = new ClassAccessor(new MetadataClass(descriptor.getJavaClass()), this, descriptor);
                descriptor.setClassAccessor(accessor);
                accessor.process();
            }
        } 
        
        // Process the project and anything that was deferred like
        // sequencing and relationship mappings and we are done.

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                    Node entityNode = entityNodes.item(i);
                    Class entityClass = helper.getClassForNode(entityNode);
                    MetadataDescriptor descriptor = m_project.getDescriptor(entityClass);


                    // Process all descriptors that are in our project.
                    ClassAccessor accessor = descriptor.getClassAccessor();


                    // If there is no accessor on this descriptor then it has not
                    // been processed yet. Create one and process it.
                    if (accessor == null) {
                        accessor = new XMLClassAccessor(new MetadataClass(descriptor.getJavaClass()), entityNode, helper, this, descriptor);
                        descriptor.setClassAccessor(accessor);
                        accessor.process();
                    }
                }
            }
        } else {
            // There are no classes to process ...

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     * object given. Order of checking is important, careful when modifying
     * or adding, check what the isXyz call does to determine if the accessor
     * is of type xyz.
     */
    protected MetadataAccessor buildAccessor(MetadataAccessibleObject accessibleObject) {
        MetadataAccessor accessor = m_descriptor.getAccessorFor(accessibleObject.getAttributeName());
        
        if (accessor == null) {
            if (MetadataHelper.isBasic(accessibleObject, m_descriptor)) {
                return new BasicAccessor(accessibleObject, this);
            } else if (MetadataHelper.isEmbedded(accessibleObject, m_descriptor)) {

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     * again. If still no accessor is found and this descriptor metadata is
     * and an inheritance sublcass, than it will then look on the root metadata
     * descriptor. Null is returned otherwise.
     */
    public MetadataAccessor getAccessorFor(String fieldOrPropertyName) {
      MetadataAccessor accessor = m_accessors.get(fieldOrPropertyName);
        
        if (accessor == null) {
            // Perhaps we have a property name ...
            accessor = m_accessors.get(MetadataHelper.getAttributeNameFromMethodName(fieldOrPropertyName));

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     * Non-owning mappings that need to look up the owning mapping, should call 
     * this method with their respective accessor to check for circular mappedBy 
     * references. If the referencingAccessor is null, no check will be made.
     */
    public DatabaseMapping getMappingForAttributeName(String attributeName, MetadataAccessor referencingAccessor) {
        MetadataAccessor accessor = (MetadataAccessor) getAccessorFor(attributeName);
        
        if (accessor != null) {
            // If the accessor is a relationship accessor than it may or may
            // not have been processed yet. Fast track its processing if it
            // needs to be. The process call will do nothing if it has already
            // been processed.
            if (accessor.isRelationship()) {
                RelationshipAccessor relationshipAccessor = (RelationshipAccessor) accessor;
                
                // Check that we don't have circular mappedBy values which 
                // will cause an infinite loop.
                if (referencingAccessor != null && ! relationshipAccessor.isManyToOne() && relationshipAccessor.getMappedBy().equals(referencingAccessor.getAttributeName())) {

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            // If the accessor is a relationship accessor than it may or may
            // not have been processed yet. Fast track its processing if it
            // needs to be. The process call will do nothing if it has already
            // been processed.
            if (accessor.isRelationship()) {
                RelationshipAccessor relationshipAccessor = (RelationshipAccessor) accessor;
                
                // Check that we don't have circular mappedBy values which 
                // will cause an infinite loop.
                if (referencingAccessor != null && ! relationshipAccessor.isManyToOne() && relationshipAccessor.getMappedBy().equals(referencingAccessor.getAttributeName())) {
                    getValidator().throwCircularMappedByReferences(referencingAccessor.getJavaClass(), referencingAccessor.getAttributeName(), getJavaClass(), attributeName);
                }
                
                relationshipAccessor.processRelationship();
            }
            
            return m_descriptor.getMappingForAttributeName(attributeName);
        }

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