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

Package org.eclipse.persistence.internal.descriptors

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

org.eclipse.persistence.internal.descriptors.ObjectBuilder

Purpose: Object builder is one of the behavior class attached to descriptor. It is responsible for building objects, rows, and extracting primary keys from the object and the rows. @author Sati @since TOPLink/Java 1.0

        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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     */
    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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            accessor.incrementCallCount(unitOfWork);
            statement = call.prepareStatement(accessor, this.translationRow, unitOfWork);
            resultSet = accessor.executeSelect(call, statement, unitOfWork);
            ResultSetMetaData metaData = resultSet.getMetaData();
            Vector results = new Vector();
            ObjectBuilder builder = this.descriptor.getObjectBuilder();
            while (resultSet.next()) {
                results.add(builder.buildWorkingCopyCloneFromResultSet(this, this.joinedAttributeManager, resultSet, unitOfWork, accessor, metaData, platform));
            }
            return results;
        } catch (SQLException exception) {
            exceptionOccured = true;
            DatabaseException commException = accessor.processExceptionForCommError(session, exception, call);

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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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    /**
     * INTERNAL:
     * Execute the post delete operation for the query
     */
    public void postDelete(DeleteObjectQuery query) {
        ObjectBuilder builder = this.descriptor.getObjectBuilder();
        // PERF: Only process relationships.
        if (!builder.isSimple()) {
            List<DatabaseMapping> mappings = builder.getRelationshipMappings();
            int size = mappings.size();
            for (int index = 0; index < size; index++) {
                mappings.get(index).postDelete(query);
            }
        }

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    /**
     * INTERNAL:
     * Execute the post insert operation for the query
     */
    public void postInsert(WriteObjectQuery query) {
        ObjectBuilder builder = this.descriptor.getObjectBuilder();
        // PERF: Only process relationships.
        if (!builder.isSimple()) {
            List<DatabaseMapping> mappings = builder.getRelationshipMappings();
            int size = mappings.size();
            for (int index = 0; index < size; index++) {
                mappings.get(index).postInsert(query);
            }
        }

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    /**
     * INTERNAL:
     * Execute the post update operation for the query
     */
    public void postUpdate(WriteObjectQuery query) {
        ObjectBuilder builder = this.descriptor.getObjectBuilder();
        // PERF: Only process relationships.
        if (!builder.isSimple()) {
            // PERF: Only process changed mappings.
            ObjectChangeSet changeSet = query.getObjectChangeSet();
            if ((changeSet != null) && (!changeSet.isNew())) {
                List changeRecords = changeSet.getChanges();
                for (Iterator iterator = changeRecords.iterator(); iterator.hasNext(); ) {
                    ChangeRecord record = (ChangeRecord)iterator.next();                
                    record.getMapping().postUpdate(query);
                }
            } else {
                List<DatabaseMapping> mappings = builder.getRelationshipMappings();
                int size = mappings.size();
                for (int index = 0; index < size; index++) {
                    mappings.get(index).postUpdate(query);
                }
            }

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    /**
     * INTERNAL:
     * Execute the pre delete operation for the query
     */
    public void preDelete(DeleteObjectQuery query) {
        ObjectBuilder builder = this.descriptor.getObjectBuilder();
        // PERF: Only process relationships.
        if (!builder.isSimple()) {
            List<DatabaseMapping> mappings = builder.getRelationshipMappings();
            int size = mappings.size();
            for (int index = 0; index < size; index++) {
                mappings.get(index).preDelete(query);
            }
        }

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    /**
     * INTERNAL:
     * Execute the pre insert  operation for the query.
     */
    public void preInsert(WriteObjectQuery query) {
        ObjectBuilder builder = this.descriptor.getObjectBuilder();
        // PERF: Only process relationships.
        if (!builder.isSimple()) {
            List<DatabaseMapping> mappings = builder.getRelationshipMappings();
            int size = mappings.size();
            for (int index = 0; index < size; index++) {
                mappings.get(index).preInsert(query);
            }
        }

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    /**
     * INTERNAL:
     * Execute the pre update operation for the query
     */
    public void preUpdate(WriteObjectQuery query) {
        ObjectBuilder builder = this.descriptor.getObjectBuilder();
        // PERF: Only process relationships.
        if (!builder.isSimple()) {
            // PERF: Only process changed mappings.
            ObjectChangeSet changeSet = query.getObjectChangeSet();
            if ((changeSet != null) && (!changeSet.isNew())) {
                List changeRecords = changeSet.getChanges();
                for (Iterator iterator = changeRecords.iterator(); iterator.hasNext(); ) {
                    ChangeRecord record = (ChangeRecord)iterator.next();
                    record.getMapping().preUpdate(query);
                }
            } else {
                List<DatabaseMapping> mappings = builder.getRelationshipMappings();
                int size = mappings.size();
                for (int index = 0; index < size; index++) {
                    mappings.get(index).preUpdate(query);
                }
            }

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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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