Package org.eclipse.persistence.mappings

Examples of org.eclipse.persistence.mappings.ForeignReferenceMapping

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        boolean isExtended = false;
        boolean isFurtherExtensionRequired = false;
        for(int i=0; i < size; i++) {
            DatabaseMapping mapping = getDescriptor().getMappings().get(i);
            if(mapping.isForeignReferenceMapping()) {
                ForeignReferenceMapping frMapping = (ForeignReferenceMapping)mapping;
                if(frMapping.shouldExtendPessimisticLockScope()) {
                    if(frMapping.shouldExtendPessimisticLockScopeInSourceQuery()) {
                        frMapping.extendPessimisticLockScopeInSourceQuery(this);
                        isExtended = true;
                    } else {
                        isFurtherExtensionRequired = true;
                    }
                }
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                String previousToken = tokenizer.nextToken();
                ClassDescriptor descriptor = raq.getDescriptor();
                Expression expression = raq.getExpressionBuilder();
                while (tokenizer.hasMoreTokens()){
                    String token = tokenizer.nextToken();
                    ForeignReferenceMapping frMapping = null;
                    DatabaseMapping mapping = descriptor.getObjectBuilder().getMappingForAttributeName(token);
                    if (mapping == null){
                        throw QueryException.queryHintNavigatedNonExistantRelationship(query, QueryHints.BATCH, valueToApply, previousToken + "." + token);
                    } else if (!mapping.isForeignReferenceMapping()){
                        throw QueryException.queryHintNavigatedIllegalRelationship(query, QueryHints.BATCH, valueToApply, previousToken + "." + token);
                    } else {
                        frMapping = (ForeignReferenceMapping)mapping;
                    }
                    descriptor = frMapping.getReferenceDescriptor();
                    if (frMapping.isCollectionMapping()){
                        expression = expression.anyOf(token);
                    } else {
                        expression = expression.get(token);
                    }
                    previousToken = token;
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                String previousToken = tokenizer.nextToken();
                ClassDescriptor descriptor = olrq.getDescriptor();
                Expression expression = olrq.getExpressionBuilder();
                while (tokenizer.hasMoreTokens()){
                    String token = tokenizer.nextToken();
                    ForeignReferenceMapping frMapping = null;
                    DatabaseMapping mapping = descriptor.getObjectBuilder().getMappingForAttributeName(token);
                    if (mapping == null){
                        throw QueryException.queryHintNavigatedNonExistantRelationship(query, QueryHints.FETCH, valueToApply, previousToken + "." + token);
                    } else if (!mapping.isForeignReferenceMapping()){
                        throw QueryException.queryHintNavigatedIllegalRelationship(query, QueryHints.FETCH, valueToApply, previousToken + "." + token);
                    } else {
                        frMapping = (ForeignReferenceMapping)mapping;
                    }
                    descriptor = frMapping.getReferenceDescriptor();
                    if (frMapping.isCollectionMapping()){
                        expression = expression.anyOf(token);
                    } else {
                        expression = expression.get(token);
                    }
                    previousToken = token;
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                olrq.checkDescriptor(activeSession);
                ClassDescriptor descriptor = olrq.getDescriptor();
                Expression expression = olrq.getExpressionBuilder();
                while (tokenizer.hasMoreTokens()){
                    String token = tokenizer.nextToken();
                    ForeignReferenceMapping frMapping = null;
                    DatabaseMapping mapping = descriptor.getObjectBuilder().getMappingForAttributeName(token);
                    if (mapping == null){
                        throw QueryException.queryHintNavigatedNonExistantRelationship(query, QueryHints.FETCH, valueToApply, previousToken + "." + token);
                    } else if (!mapping.isForeignReferenceMapping()){
                        while (mapping.isAggregateObjectMapping() && tokenizer.hasMoreTokens()){
                            expression = expression.get(token);
                            token = tokenizer.nextToken();
                            descriptor = ((org.eclipse.persistence.mappings.AggregateObjectMapping)mapping).getReferenceDescriptor();
                            mapping = descriptor.getObjectBuilder().getMappingForAttributeName(token);
                        }
                        if (!mapping.isForeignReferenceMapping()){
                            throw QueryException.queryHintNavigatedIllegalRelationship(query, QueryHints.FETCH, valueToApply, previousToken + "." + token);
                        }
                    }
                    frMapping = (ForeignReferenceMapping)mapping;
                    descriptor = frMapping.getReferenceDescriptor();
                    if (frMapping.isCollectionMapping()){
                        expression = expression.anyOf(token, false);
                    } else {
                        expression = expression.get(token);
                    }
                    previousToken = token;
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        ObjectBuilder objectBuilder = getDescriptor().getObjectBuilder();
        if (objectBuilder.hasJoinedAttributes()) {
            List mappingJoinedAttributes = objectBuilder.getJoinedAttributes();
            if (!hasJoinedAttributeExpressions()) {
                for (int i = 0; i < mappingJoinedAttributes.size(); i++) {
                    ForeignReferenceMapping mapping = (ForeignReferenceMapping) mappingJoinedAttributes.get(i);
                    if(fetchGroupAttributes == null || fetchGroupAttributes.contains(mapping.getAttributeName())) {
                        addAndPrepareJoinedMapping(mapping, session);
                    }
                }
            } else {
                for (int i = 0; i < mappingJoinedAttributes.size(); i++) {
                    ForeignReferenceMapping mapping = (ForeignReferenceMapping) mappingJoinedAttributes.get(i);
                    if (!isAttributeExpressionJoined(mapping)) {
                        if(fetchGroupAttributes == null || fetchGroupAttributes.contains(mapping.getAttributeName())) {
                            addAndPrepareJoinedMapping(mapping, session);
                        }
                    }
                }
            }
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                olrq.checkDescriptor(activeSession);
                ClassDescriptor descriptor = olrq.getDescriptor();
                Expression expression = olrq.getExpressionBuilder();
                while (tokenizer.hasMoreTokens()){
                    String token = tokenizer.nextToken();
                    ForeignReferenceMapping frMapping = null;
                    DatabaseMapping mapping = descriptor.getObjectBuilder().getMappingForAttributeName(token);
                    if (mapping == null){
                        throw QueryException.queryHintNavigatedNonExistantRelationship(query, QueryHints.LEFT_FETCH, valueToApply, previousToken + "." + token);
                    } else if (!mapping.isForeignReferenceMapping()){
                        while (mapping.isAggregateObjectMapping() && tokenizer.hasMoreTokens()){
                            expression = expression.get(token);
                            token = tokenizer.nextToken();
                            descriptor = ((org.eclipse.persistence.mappings.AggregateObjectMapping)mapping).getReferenceDescriptor();
                            mapping = descriptor.getObjectBuilder().getMappingForAttributeName(token);
                        }
                        if (!mapping.isForeignReferenceMapping()){
                            throw QueryException.queryHintNavigatedIllegalRelationship(query, QueryHints.LEFT_FETCH, valueToApply, previousToken + "." + token);
                        }
                    }
                    frMapping = (ForeignReferenceMapping)mapping;
                    descriptor = frMapping.getReferenceDescriptor();
                    if (frMapping.isCollectionMapping()){
                        expression = expression.anyOfAllowingNone(token, false);
                    } else {
                        expression = expression.getAllowingNull(token);
                    }
                    previousToken = token;
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            ClassDescriptor descriptor = getJpaSession().getClassDescriptor(entity.getClass());
            if (descriptor != null) {
                ((PersistenceWeavedRest) entity)._persistence_setRelationships(new ArrayList<RelationshipInfo>());
                for (DatabaseMapping mapping : descriptor.getMappings()) {
                    if (mapping.isForeignReferenceMapping()) {
                        ForeignReferenceMapping frMapping = (ForeignReferenceMapping) mapping;
                        RelationshipInfo info = new RelationshipInfo();
                        info.setAttributeName(frMapping.getAttributeName());
                        info.setOwningEntity(entity);
                        info.setOwningEntityAlias(descriptor.getAlias());
                        info.setPersistencePrimaryKey(descriptor.getObjectBuilder().extractPrimaryKeyFromObject(entity, (AbstractSession) getJpaSession()));
                        ((PersistenceWeavedRest) entity)._persistence_getRelationships().add(info);
                    } else if (mapping.isEISMapping()) {
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                    xdm = xdesc.getMappingForAttributeName(attributeName);
                }
                dm.setAttributeAccessor(new XRDynamicEntityAccessor(dm));
                if (xdm != null) {
                    if (dm.isForeignReferenceMapping()) {
                        ForeignReferenceMapping frm = (ForeignReferenceMapping)dm;
                        if (frm.usesIndirection() && frm.getIndirectionPolicy().getClass().
                            isAssignableFrom(BasicIndirectionPolicy.class)) {
                            xdm.setAttributeAccessor(new XRDynamicEntityVHAccessor(dm));
                        }
                        else {
                            // no indirection or indirection that is transparent enough (!) to work
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                        }

                        if (jpaDescriptor != null) {
                            DatabaseMapping dbMapping = jpaDescriptor.getMappingForAttributeName(mapping.getAttributeName());
                            if ((dbMapping != null) && (dbMapping instanceof ForeignReferenceMapping)) {
                                ForeignReferenceMapping jpaMapping = (ForeignReferenceMapping) dbMapping;
                                if (jpaMapping != null) {
                                    if (jpaMapping.getMappedBy() != null) {
                                        ClassDescriptor inverseDescriptor = project.getDescriptorForAlias(jpaMapping.getReferenceDescriptor().getAlias());
                                        if (inverseDescriptor != null) {
                                            DatabaseMapping inverseMapping = inverseDescriptor.getMappingForAttributeName(jpaMapping.getMappedBy());
                                            if (inverseMapping != null) {
                                                convertMappingToXMLInverseReferenceMapping(inverseDescriptor, inverseMapping, jpaMapping);
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }

            InheritancePolicy inheritancePolicy = descriptor.getInheritancePolicyOrNull();
            if ((inheritancePolicy != null) && (inheritancePolicy.isRootParentDescriptor())) {
                boolean isAbstract = Modifier.isAbstract(descriptor.getJavaClass().getModifiers());
                if (isAbstract) {
                    Class subClassToInstantiate = null;
                    Map<?, ?> classIndicatorMapping = inheritancePolicy.getClassIndicatorMapping();
                    // get one of subclasses that extends this abstract class
                    for (Map.Entry<?, ?> entry : classIndicatorMapping.entrySet()) {
                        Object value = entry.getValue();
                        if (value instanceof Class) {
                            subClassToInstantiate = (Class) value;
                            isAbstract = Modifier.isAbstract(subClassToInstantiate.getModifiers());
                            if ((subClassToInstantiate != null) && (!isAbstract)) {
                                InstantiationPolicy instantiationPolicy = new InstantiationPolicy();
                                instantiationPolicy.useFactoryInstantiationPolicy(new ConcreteSubclassFactory(subClassToInstantiate), "createConcreteSubclass");
                                descriptor.setInstantiationPolicy(instantiationPolicy);
                                break;
                            }
                        }
                    }
                }
            }
        }

        for (Object descriptorAlias : project.getAliasDescriptors().keySet()) {
            ClassDescriptor descriptor = (ClassDescriptor) project.getAliasDescriptors().get(descriptorAlias);
            ClassDescriptor jpaDescriptor = jpaSession.getDescriptorForAlias(descriptor.getAlias());
            Vector<DatabaseMapping> descriptorMappings = (Vector<DatabaseMapping>) descriptor.getMappings().clone();

            for (DatabaseMapping mapping : descriptorMappings) {
                if (mapping.isXMLMapping()) {
                    if (mapping.isAbstractCompositeObjectMapping() || mapping.isAbstractCompositeCollectionMapping()) {
                        if (jpaDescriptor != null) {
                            DatabaseMapping dbMapping = jpaDescriptor.getMappingForAttributeName(mapping.getAttributeName());
                            if ((dbMapping instanceof ForeignReferenceMapping)) {
                                ForeignReferenceMapping jpaMapping = (ForeignReferenceMapping) dbMapping;
                                if (jpaMapping != null) {
                                    ClassDescriptor jaxbDescriptor = project.getDescriptorForAlias(jpaMapping.getDescriptor().getAlias());
                                    if (jaxbDescriptor != null) {
                                        convertMappingToXMLChoiceMapping(jaxbDescriptor, jpaMapping, cl, jpaSession);
                                    }
                                }
                            }
                        } else if (mapping instanceof XMLCompositeObjectMapping) {
                            // Fix for Bug 403113 - JPA-RS Isn't Serializing an Embeddable defined in an ElementCollection to JSON Correctly
                            // add choice mapping for one-to-one relationships within embeddables
                            // Based on (http://wiki.eclipse.org/EclipseLink/Examples/JPA/NoSQL#Step_2_:_Map_the_data),
                            // the mappedBy option on relationships is not supported for NoSQL data, so no need to add inverse mapping
                            XMLCompositeObjectMapping jpaMapping = (XMLCompositeObjectMapping) mapping;
                            if (jpaMapping != null) {
                                ClassDescriptor jaxbDescriptor = project.getDescriptorForAlias(jpaMapping.getDescriptor().getAlias());
                                if (jaxbDescriptor != null) {
                                    Class clazz = jpaMapping.getReferenceClass();
                                    if (clazz != null) {
                                        if ((jpaSession.getDescriptor(clazz) != null) && (jpaSession.getDescriptor(clazz).isEISDescriptor()))
                                            convertMappingToXMLChoiceMapping(jaxbDescriptor, jpaMapping, cl, jpaSession);
                                    }
                                }
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     * weaving requirement that demands that we avoid loading domain classes into
     * the main class loader until after weaving occurs.
     */
    protected Method getSetMethod() {
        if (setMethod == null) {
            ForeignReferenceMapping sourceMapping = (ForeignReferenceMapping)mapping;
            // The parameter type for the set method must always be the return type of the get method.
            Class[] parameterTypes = new Class[1];
            parameterTypes[0] = sourceMapping.getReferenceClass();
            try {
                setMethod = Helper.getDeclaredMethod(sourceMapping.getDescriptor().getJavaClass(), setMethodName, parameterTypes);
            } catch (NoSuchMethodException e){
                throw DescriptorException.errorAccessingSetMethodOfEntity(sourceMapping.getDescriptor().getJavaClass(), setMethodName ,sourceMapping.getDescriptor(), e);
            }
        }
        return setMethod;
    }
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Related Classes of org.eclipse.persistence.mappings.ForeignReferenceMapping

  • org.eclipse.persistence.annotations.BatchFetchType
  • org.eclipse.persistence.descriptors.ClassDescriptor
  • org.eclipse.persistence.descriptors.partitioning.PartitioningPolicy
  • org.eclipse.persistence.dynamic.DynamicTypeBuilder
  • org.eclipse.persistence.expressions.Expression
  • org.eclipse.persistence.expressions.ExpressionBuilder
  • org.eclipse.persistence.indirection.ValueHolder
  • org.eclipse.persistence.internal.dynamic.DynamicPropertiesInitializatonPolicy
  • org.eclipse.persistence.internal.dynamic.DynamicTypeInstantiationPolicy
  • org.eclipse.persistence.internal.dynamic.ValuesAccessor
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