Package org.eclipse.persistence.internal.descriptors

Examples of org.eclipse.persistence.internal.descriptors.ObjectBuilder

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        if (listener != null) {
            listener.clearChanges();
        } else {
            listener = (ObjectChangeListener)setChangeListener(clone, uow, descriptor);
        }
        ObjectBuilder builder = descriptor.getObjectBuilder();
        // Only relationship mappings need to be reset.
        if (!builder.isSimple()) {
            dissableEventProcessing(clone);
            // Must also ensure the listener has been set on collections and aggregates.
            FetchGroupManager fetchGroupManager = descriptor.getFetchGroupManager();
            boolean isPartialObject = (fetchGroupManager != null) && fetchGroupManager.isPartialObject(clone);
            List mappings = builder.getRelationshipMappings();
            int size = mappings.size();
            // Only cascade fetched mappings.
            for (int index = 0; index < size; index++) {
                DatabaseMapping mapping = (DatabaseMapping)mappings.get(index);
                if (!isPartialObject || fetchGroupManager.isAttributeFetched(clone, mapping.getAttributeName())) {
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            // CR#3173211
            // If the value is stored in the cache or object, there still may
            // be read-only mappings for it, so the object must always be updated for
            // any writable or read-only mappings for the version value.
            // Reuse the method used for returning as has the same requirements.
            ObjectBuilder objectBuilder = this.descriptor.getObjectBuilder();
            AbstractRecord record = objectBuilder.createRecord(1, session);
            record.put(this.writeLockField, lockValue);
            objectBuilder.assignReturnRow(object, session, record);           
            if (objectChangeSet != null) {
                objectChangeSet.setWriteLockValue(lockValue);
                query.getQueryMechanism().updateChangeSet(this.descriptor, objectChangeSet, record, object);
            }
        }
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     * Create a new instance, unless a workingCopyClone method is specified, then build a new instance and clone it.
     */
    public Object buildWorkingCopyCloneFromRow(Record row, ObjectBuildingQuery query, Vector primaryKey, UnitOfWork uow) throws DescriptorException {
        // For now must preserve CMP code which builds heavy clones with a context.
        // Also preserve for clients who use the copy policy.
        ObjectBuilder builder = getDescriptor().getObjectBuilder();
        if (getWorkingCopyMethodName() != null) {
            Object original = builder.buildNewInstance();
            builder.buildAttributesIntoShallowObject(original, (AbstractRecord)row, query);
            return buildWorkingCopyClone(original, query.getSession());
        } else {
            return builder.buildNewInstance();
        }
    }
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     */
    protected Object valueFromRowInternalWithJoin(AbstractRecord row, JoinedAttributeManager joinManager, ObjectBuildingQuery sourceQuery, AbstractSession executionSession) throws DatabaseException {

        ContainerPolicy policy = getContainerPolicy();
        Object value = policy.containerInstance();
        ObjectBuilder objectBuilder = getDescriptor().getObjectBuilder();
        // Extract the primary key of the source object, to filter only the joined rows for that object.
        Vector sourceKey = objectBuilder.extractPrimaryKeyFromRow(row, executionSession);
        CacheKey sourceCacheKey = new CacheKey(sourceKey);
        // If the query was using joining, all of the result rows by primary key will have been computed.
        List rows = joinManager.getDataResultsByPrimaryKey().get(sourceCacheKey);
       
        // A set of direct values must be maintained to avoid duplicates from multiple 1-m joins.
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                if (!useXMLRoot) {
                    referenceDescriptor = getDescriptor(nestedRecord, session, null);

                    if (referenceDescriptor != null) {
                        ObjectBuilder builder = referenceDescriptor.getObjectBuilder();
                        Object objectValue = builder.buildObject(query, nestedRecord, joinManager);
                      if(getConverter() != null) {
                        objectValue = getConverter().convertDataValueToObjectValue(objectValue, session, record.getUnmarshaller());
                      }
                        return objectValue;
                    }
                } else {
                    String schemaType = ((Element) next).getAttributeNS(XMLConstants.SCHEMA_INSTANCE_URL, XMLConstants.SCHEMA_TYPE_ATTRIBUTE);
                    QName schemaTypeQName = null;
                    XPathFragment frag = new XPathFragment();
                    if ((null != schemaType) && (!schemaType.equals(""))) {
                        frag.setXPath(schemaType);

                        if (frag.hasNamespace()) {
                            String prefix = frag.getPrefix();
                            XMLPlatform xmlPlatform = XMLPlatformFactory.getInstance().getXMLPlatform();
                            String url = xmlPlatform.resolveNamespacePrefix(next, prefix);
                            frag.setNamespaceURI(url);
                            schemaTypeQName = new QName(url, frag.getLocalName());
                        }
                        XMLContext xmlContext = nestedRecord.getUnmarshaller().getXMLContext();
                        referenceDescriptor = xmlContext.getDescriptorByGlobalType(frag);
                    }
                    if (referenceDescriptor == null) {
                        try {
                            QName qname = new QName(nestedRecord.getNamespaceURI(), nestedRecord.getLocalName());
                            referenceDescriptor = getDescriptor(nestedRecord, session, qname);
                        } catch (XMLMarshalException e) {
                            referenceDescriptor = null;
                        }
                    }
                    if (referenceDescriptor != null) {
                        ObjectBuilder builder = referenceDescriptor.getObjectBuilder();
                        Object objectValue = builder.buildObject(query, nestedRecord, joinManager);
                        Object updated = ((XMLDescriptor) referenceDescriptor).wrapObjectInXMLRoot(objectValue, next.getNamespaceURI(), next.getLocalName(), next.getPrefix(), false);
                      if(getConverter() != null) {
                        updated = getConverter().convertDataValueToObjectValue(objectValue, session, record.getUnmarshaller());
                      }
                        return updated;
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    public Object buildFieldValue(Object targetObject, XMLField xmlFld, AbstractSession session) {
        if (targetObject == null || getReferenceClass() == null) {
            return null;
        }
        ClassDescriptor descriptor = getReferenceDescriptor();
        ObjectBuilder objectBuilder = descriptor.getObjectBuilder();
        Vector pks = objectBuilder.extractPrimaryKeyFromObject(targetObject, session);
        int idx = descriptor.getPrimaryKeyFields().indexOf(getSourceToTargetKeyFieldAssociations().get(xmlFld));
        if (idx == -1) {
            return null;
        }
        return pks.get(idx);
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        if (objectReferenced == null) {
            return;
        }
        if (!visitedObjects.containsKey(objectReferenced)) {
            visitedObjects.put(objectReferenced, objectReferenced);
            ObjectBuilder builder = getReferenceDescriptor(objectReferenced.getClass(), uow).getObjectBuilder();
            builder.cascadePerformRemove(objectReferenced, uow, visitedObjects);
        }
    }
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        if (objectReferenced == null) {
            return;
        }
        if (!visitedObjects.containsKey(objectReferenced)) {
            visitedObjects.put(objectReferenced, objectReferenced);
            ObjectBuilder builder = getReferenceDescriptor(objectReferenced.getClass(), uow).getObjectBuilder();
            builder.cascadeRegisterNewForCreate(objectReferenced, uow, visitedObjects);
        }
    }
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    /**
     * This method collects the Joined Mappings from the descriptor and initializes them.
     */
    public void processJoinedMappings() {   
        ObjectBuilder objectBuilder = getDescriptor().getObjectBuilder();
        if (objectBuilder.hasJoinedAttributes()) {
            List mappingJoinedAttributes = objectBuilder.getJoinedAttributes();
            if (!hasJoinedAttributeExpressions()) {
                for (int i = 0; i < mappingJoinedAttributes.size(); i++) {
                    addJoinedMapping((ForeignReferenceMapping)mappingJoinedAttributes.get(i));
                }
            } else {
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    protected void processDataResults(AbstractSession session) {
        this.dataResultsByPrimaryKey = new HashMap();
        int size = this.dataResults.size();
        CacheKey lastCacheKey = null;
        List childRows = null;
        ObjectBuilder builder = getDescriptor().getObjectBuilder();
        int parentIndex = getParentResultIndex();
        for (int dataResultsIndex = 0; dataResultsIndex < size; dataResultsIndex++) {
            AbstractRecord row = this.dataResults.get(dataResultsIndex);
            AbstractRecord parentRow = row;
            // Must adjust for the parent index to ensure the correct pk is extracted.
            if (parentIndex > 0) {
                Vector trimedFields = new NonSynchronizedSubVector(row.getFields(), parentIndex, row.size());
                Vector trimedValues = new NonSynchronizedSubVector(row.getValues(), parentIndex, row.size());
                parentRow = new DatabaseRecord(trimedFields, trimedValues);
            }
            // Extract the primary key of the source object, to filter only the joined rows for that object.
            Vector sourceKey = builder.extractPrimaryKeyFromRow(parentRow, session);
            // May be any outer-join so ignore null.
            if (sourceKey != null) {
                CacheKey sourceCacheKey = new CacheKey(sourceKey);
                if ((lastCacheKey != null) && lastCacheKey.equals(sourceCacheKey)) {
                    childRows.add(row);
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Related Classes of org.eclipse.persistence.internal.descriptors.ObjectBuilder

  • org.eclipse.persistence.annotations.CacheKeyType
  • org.eclipse.persistence.annotations.IdValidation
  • org.eclipse.persistence.descriptors.CachePolicy
  • org.eclipse.persistence.descriptors.changetracking.ObjectChangePolicy
  • org.eclipse.persistence.descriptors.changetracking.ObjectChangeTrackingPolicy
  • org.eclipse.persistence.descriptors.ClassDescriptor
  • org.eclipse.persistence.descriptors.CMPPolicy
  • org.eclipse.persistence.descriptors.copying.CloneCopyPolicy
  • org.eclipse.persistence.descriptors.DescriptorEvent
  • org.eclipse.persistence.descriptors.DescriptorEventManager
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