Package org.eclipse.persistence.mappings

Examples of org.eclipse.persistence.mappings.ForeignReferenceMapping

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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);
                    }
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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());
                                        DatabaseMapping inverseMapping = inverseDescriptor.getMappingForAttributeName(jpaMapping.getMappedBy());
                                        convertMappingToXMLInverseReferenceMapping(inverseDescriptor, inverseMapping, jpaMapping.getAttributeName());
                                    }
                                }
                            }
                        }
                    }
                }
            }

            ClassLoader cl = jpaSession.getPlatform().getConversionManager().getLoader();
            descriptorMappings = (Vector<DatabaseMapping>) descriptor.getMappings().clone();

            for (DatabaseMapping mapping : descriptorMappings) {
                if (jpaDescriptor != null && mapping.isXMLMapping()){
                    if (mapping.isAbstractCompositeObjectMapping() || mapping.isAbstractCompositeCollectionMapping()) {
                        DatabaseMapping dbMapping = jpaDescriptor.getMappingForAttributeName(mapping.getAttributeName());
                        if ((dbMapping != null) && (dbMapping instanceof ForeignReferenceMapping)) {
                            ForeignReferenceMapping jpaMapping = (ForeignReferenceMapping) dbMapping;
                            if (jpaMapping != null) {
                                // Convert all ForeignReferenceMappings that are visible in JPA
                                // to ChoiceMapping to allow a link to be returned instead of the whole Object
                                // XMLInverseMappings are ignored in JAXB, so we should not convert those
                                convertMappingToXMLChoiceMapping(descriptor, jpaMapping, cl);
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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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                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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    private boolean requiresInitialization(DatabaseMapping mapping) {
        if (mapping.isDirectToFieldMapping() && mapping.getAttributeClassification() != null && mapping.getAttributeClassification().isPrimitive()) {
            return true;
        }
        if (mapping.isForeignReferenceMapping()) {
            ForeignReferenceMapping frMapping = (ForeignReferenceMapping) mapping;
            return frMapping.usesIndirection() || frMapping.isCollectionMapping();
        }
        if (mapping.isAggregateObjectMapping() && !mapping.isXMLMapping()) {
            return !((AggregateObjectMapping) mapping).isNullAllowed();
        }
        return false;
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        boolean weaveValueHolders = false;
        for (Iterator iterator = mappings.iterator(); iterator.hasNext();) {
            DatabaseMapping mapping = (DatabaseMapping)iterator.next();
            String attributeName = mapping.getAttributeName();
            if (mapping.isForeignReferenceMapping()) {
                ForeignReferenceMapping foreignReferenceMapping = (ForeignReferenceMapping)mapping;
                MetadataClass typeClass = getAttributeTypeFromClass(clz, attributeName, foreignReferenceMapping, true);
                if ((foreignReferenceMapping.getIndirectionPolicy() instanceof BasicIndirectionPolicy) &&
                        (typeClass != null)  && (!typeClass.extendsInterface(ValueHolderInterface.class))) {
                    weaveValueHolders = true;
                 }
             }
        }
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                attributeDetails.setDeclaringType(Type.getType(getAttributeDeclaringClass(metadataClass, attribute).getTypeName()));
            }

            // Check for lazy/value-holder indirection.
            if (mapping.isForeignReferenceMapping()) {
                ForeignReferenceMapping foreignReferenceMapping = (ForeignReferenceMapping)mapping;

                // repopulate the reference class with the target of this mapping
                attributeDetails.setReferenceClassName(foreignReferenceMapping.getReferenceClassName());
                if (attributeDetails.getReferenceClassName() != null) {
                    MetadataClass referenceClass = metadataClass.getMetadataFactory().getMetadataClass(attributeDetails.getReferenceClassName());
                    attributeDetails.setReferenceClassType(Type.getType(referenceClass.getTypeName()));
                }

                // This time, look up the type class and include the superclass so we can check for lazy.
                if (typeClass == null){
                    typeClass = getAttributeTypeFromClass(metadataClass, attribute, foreignReferenceMapping, true);
                }
                if (weaveValueHolders && (foreignReferenceMapping.getIndirectionPolicy() instanceof BasicIndirectionPolicy) &&
                        (typeClass != null)  && (!typeClass.extendsInterface(ValueHolderInterface.class))) {
                    if (mapping.isObjectReferenceMapping() && attributeDetails.isVirtualProperty()){
                        classDetails.setShouldWeaveValueHolders(false);
                        log(SessionLog.WARNING, CANNOT_WEAVE_VIRTUAL_ONE_TO_ONE, new Object[]{classDetails.getClassName(), attributeDetails.getAttributeName()});
                    } else {
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    private boolean requiresInitialization(DatabaseMapping mapping) {
        if (mapping.isDirectToFieldMapping() && mapping.getAttributeClassification() != null && mapping.getAttributeClassification().isPrimitive()) {
            return true;
        }
        if (mapping.isForeignReferenceMapping()) {
            ForeignReferenceMapping frMapping = (ForeignReferenceMapping) mapping;
            return frMapping.usesIndirection() || frMapping.isCollectionMapping();
        }
        if (mapping.isAggregateMapping() && !mapping.isXMLMapping()) {
            return !((AggregateObjectMapping) mapping).isNullAllowed();
        }
        return false;
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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.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.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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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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