Examples of FetchGroupManager

oracle.toplink.essentials.descriptors.FetchGroupManager

Purpose: The fetch group manager controls the named fetch groups defined at the descriptor level. TopLink supports multiple, overlapped fetch groups, optionally with one of them as the default fetch group. The domain object must implement oracle.toplink.essentials.queryframework.FetchGroupTracker interface, in order to make use of the fetch group performance enhancement feature. Please refer to FetchGroup class for the prons and cons of fetch group usage. @see oracle.toplink.essentials.queryframework.FetchGroup @see oracle.toplink.essentials.queryframework.FetchGroupTracker @author King Wang @since TopLink 10.1.3.
org.eclipse.persistence.descriptors.FetchGroupManager

Purpose: The fetch group manager controls the named fetch groups defined at the descriptor level. EclipseLink supports multiple, overlapped fetch groups, optionally with one of them as the default fetch group.
The domain object must implement org.eclipse.persistence.queries.FetchGroupTracker interface, in order to make use of the fetch group performance enhancement feature.
Please refer to FetchGroup class for the pros and cons of fetch group usage. @see org.eclipse.persistence.queries.FetchGroup @see org.eclipse.persistence.queries.FetchGroupTracker @author King Wang @since TopLink 10.1.3.
org.xorm.FetchGroupManager

Examples of org.eclipse.persistence.descriptors.FetchGroupManager

            descriptor = mapping.getDescriptor();
        }


        //fetch group support
        if (descriptor.hasFetchGroupManager()) {
            FetchGroupManager fetchGroupManager = descriptor.getFetchGroupManager();
            if (fetchGroupManager.isPartialObject(object) && (!fetchGroupManager.isAttributeFetched(object, mapping.getAttributeName()))) {
                //the conforming attribute is not fetched, simply throw exception
                throw QueryException.cannotConformUnfetchedAttribute(mapping.getAttributeName());
            }
        }

View Full Code Here

Examples of org.eclipse.persistence.descriptors.FetchGroupManager

        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())) {
                    mapping.setChangeListener(clone, listener, uow);
                }
            }
            enableEventProcessing(clone);
        }

View Full Code Here

Examples of org.eclipse.persistence.descriptors.FetchGroupManager


        // PERF: Avoid synchronized enumerator as is concurrency bottleneck.
        List mappings = getCloningMappings();
        int size = mappings.size();
        if (descriptor.hasFetchGroupManager() && descriptor.getFetchGroupManager().isPartialObject(clone)) {
            FetchGroupManager fetchGroupManager = descriptor.getFetchGroupManager();
            for (int index = 0; index < size; index++) {
                DatabaseMapping mapping = (DatabaseMapping)mappings.get(index);
                if (fetchGroupManager.isAttributeFetched(clone, mapping.getAttributeName())) {
                    mapping.buildBackupClone(clone, backup, unitOfWork);
                }
            }
        } else {
            for (int index = 0; index < size; index++) {

View Full Code Here

Examples of org.eclipse.persistence.descriptors.FetchGroupManager

        ObjectBuilder builder = this.descriptor.getObjectBuilder();
        // PERF: Only process relationships.
        if (!builder.isSimple()) {
            List<DatabaseMapping> mappings = builder.getRelationshipMappings();
            int size = mappings.size();
            FetchGroupManager fetchGroupManager = descriptor.getFetchGroupManager();
            // Only cascade fetched mappings.
            if ((fetchGroupManager != null) && fetchGroupManager.isPartialObject(object)) {
                for (int index = 0; index < size; index++) {
                    DatabaseMapping mapping = mappings.get(index);
                    if (fetchGroupManager.isAttributeFetched(object, mapping.getAttributeName())) {
                        mapping.cascadeDiscoverAndPersistUnregisteredNewObjects(object, newObjects, unregisteredExistingObjects, visitedObjects, uow);
                    }
                }
            } else {
                for (int index = 0; index < size; index++) {

View Full Code Here

Examples of org.eclipse.persistence.descriptors.FetchGroupManager

        ObjectBuilder builder = this.descriptor.getObjectBuilder();
        // PERF: Only process relationships.
        if (!builder.isSimple()) {
            List<DatabaseMapping> mappings = builder.getRelationshipMappings();
            int size = mappings.size();
            FetchGroupManager fetchGroupManager = descriptor.getFetchGroupManager();
            // Only cascade fetched mappings.
            if ((fetchGroupManager != null) && fetchGroupManager.isPartialObject(object)) {
                for (int index = 0; index < size; index++) {
                    DatabaseMapping mapping = mappings.get(index);
                    if (fetchGroupManager.isAttributeFetched(object, mapping.getAttributeName())) {
                        mapping.cascadeRegisterNewIfRequired(object, uow, visitedObjects);
                    }
                }
            } else {
                for (int index = 0; index < size; index++) {

View Full Code Here

Examples of org.eclipse.persistence.descriptors.FetchGroupManager

     */
    public void populateAttributesForClone(Object original, Object clone, UnitOfWorkImpl unitOfWork) {
        List mappings = getCloningMappings();
        int size = mappings.size();
        if (this.descriptor.hasFetchGroupManager() && this.descriptor.getFetchGroupManager().isPartialObject(original)) {
            FetchGroupManager fetchGroupManager = this.descriptor.getFetchGroupManager();
            for (int index = 0; index < size; index++) {
                DatabaseMapping mapping = (DatabaseMapping)mappings.get(index);
                if (fetchGroupManager.isAttributeFetched(original, mapping.getAttributeName())) {
                    mapping.buildClone(original, clone, unitOfWork);
                }
            }
        } else {
            for (int index = 0; index < size; index++) {

View Full Code Here

Examples of org.eclipse.persistence.descriptors.FetchGroupManager

                for (DatabaseMapping mapping : descriptor.getMappings()) {
                    if (!(mapping instanceof XMLInverseReferenceMapping)) {
                        fetchGroup.addAttribute(mapping.getAttributeName());
                    }
                }
                (new FetchGroupManager()).setObjectFetchGroup(entity, fetchGroup, null);
                ((FetchGroupTracker) entity)._persistence_setSession(JpaHelper.getDatabaseSession(getEmf()));
            } else if (descriptor.hasRelationships()) {
                for (DatabaseMapping mapping : descriptor.getMappings()) {
                    if (mapping instanceof XMLInverseReferenceMapping) {
                        // we require Fetch groups to handle relationships

View Full Code Here

Examples of org.eclipse.persistence.descriptors.FetchGroupManager

    /**
     * INTERNAL:
     * Add mandatory attributes to fetch group, create entityFetchGroup.
     */
    public void prepareFetchGroup() throws QueryException {
        FetchGroupManager fetchGroupManager = this.descriptor.getFetchGroupManager();
        if (fetchGroupManager != null) {
            this.entityFetchGroup = null;
            if (this.fetchGroup == null) {
                if (this.fetchGroupName != null) {
                    this.fetchGroup = fetchGroupManager.getFetchGroup(this.fetchGroupName);
                } else if (this.shouldUseDefaultFetchGroup) {
                    this.fetchGroup = this.descriptor.getFetchGroupManager().getDefaultFetchGroup();
                    if (this.fetchGroup != null) {
                        this.entityFetchGroup = this.descriptor.getFetchGroupManager().getDefaultEntityFetchGroup();
                    }
                }
            }
            if (this.fetchGroup != null) {
                if (hasPartialAttributeExpressions()) {
                    //fetch group does not work with partial attribute reading
                    throw QueryException.fetchGroupNotSupportOnPartialAttributeReading();
                }
                if (this.entityFetchGroup == null) {
                    this.descriptor.getFetchGroupManager().prepareAndVerify(this.fetchGroup);
                    this.entityFetchGroup = fetchGroupManager.getEntityFetchGroup(this.fetchGroup);
                }
            }
        } else {
            // FetchGroupManager is null
            if ((this.fetchGroup != null) || (this.fetchGroupName != null)) {

View Full Code Here

Examples of org.eclipse.persistence.descriptors.FetchGroupManager

            mapping = descriptor.getObjectBuilder().getMappingForAttributeName(mapping.getAttributeName());
        }


        //fetch group support
        if (descriptor.hasFetchGroupManager()) {
            FetchGroupManager fetchGroupManager = descriptor.getFetchGroupManager();
            if (fetchGroupManager.isPartialObject(object) && (!fetchGroupManager.isAttributeFetched(object, mapping.getAttributeName()))) {
                //the conforming attribute is not fetched, simply throw exception
                throw QueryException.cannotConformUnfetchedAttribute(mapping.getAttributeName());
            }
        }

View Full Code Here

Examples of org.eclipse.persistence.descriptors.FetchGroupManager

     * INTERNAL:
     */
    public void process(ClassAccessor accessor) {
        MetadataDescriptor descriptor = accessor.getDescriptor();
        
        FetchGroupManager fetchGroupManager;
        if (descriptor.getClassDescriptor().hasFetchGroupManager()) {
            fetchGroupManager = descriptor.getClassDescriptor().getFetchGroupManager();
        } else {
            fetchGroupManager = new FetchGroupManager();
            descriptor.getClassDescriptor().setFetchGroupManager(fetchGroupManager);
        }
        
        if (fetchGroupManager.hasFetchGroup(m_name)) {
            // We must be adding a fetch group from a mapped superclass.
            // Entity fetch groups are added first followed by those from
            // mapped superclasses. So if one already exists we need to ignore
            // it.
            getLogger().logConfigMessage(MetadataLogger.IGNORE_MAPPED_SUPERCLASS_FETCH_GROUP, descriptor.getJavaClass(), accessor.getJavaClass(), m_name);
        } else {
            FetchGroup fetchGroup = new FetchGroup();
            
            // Process the name of the fetch group.
            fetchGroup.setName(m_name);
            
            // Process all the attributes of the fetch group.
            for (FetchAttributeMetadata fetchAttribute : m_fetchAttributes) {
                fetchGroup.addAttribute(fetchAttribute.getName());
            }
        
            fetchGroupManager.addFetchGroup(fetchGroup);
        }
    }

View Full Code Here

0 1 2 3 4 5

TOP

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.