Examples of com.impetus.kundera.metadata.model.MetamodelImpl

Package com.impetus.kundera.metadata.model

Examples of com.impetus.kundera.metadata.model.MetamodelImpl

com.impetus.kundera.metadata.model.MetamodelImpl
The Class MetamodelImpl implements MetaModel interface. Responsible for holding reference to complete metamodel and relative information, in the form of: a) EntityTypes b) Embeddables c)MappedSuperClassTypes @author vivek.mishra

     */
    public final void write(EntityMetadata metadata, Object entity, String parentId, Class<?> clazz)
    {
        if (indexer != null)
        {
            MetamodelImpl metamodel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
                    metadata.getPersistenceUnit());
            ((com.impetus.kundera.index.lucene.Indexer) indexer).index(metadata, metamodel, entity, parentId, clazz);
        }
    }

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            if (schemaStr != null) {
                Schema schema = new Schema();
                schema.setSchemaName(schemaStr);


                
                MetamodelImpl metamodel = (MetamodelImpl) em.getEntityManagerFactory().getMetamodel();
                Map<String, EntityMetadata> metamodelMap = metamodel.getEntityMetadataMap();


                for (String clazz : metamodelMap.keySet()) {
                    EntityMetadata m = metamodelMap.get(clazz);
                    Table table = new Table();
                    table.setEntityClassName(clazz);

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    static JsonObject getJsonOfEntity(EntityMetadata m, Object entity, Object id, List<RelationHolder> relations,
            final KunderaMetadata kunderaMetadata) throws OperationNotSupportedException
    {
        JsonObject jsonObject = new JsonObject();


        MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
                m.getPersistenceUnit());
        EntityType entityType = metaModel.entity(m.getEntityClazz());


        // Add discriminator column and value.
        String discrColumn = ((AbstractManagedType) entityType).getDiscriminatorColumn();
        String discrValue = ((AbstractManagedType) entityType).getDiscriminatorValue();


        if (discrValue != null)
        {
            jsonObject.add(discrColumn, getJsonPrimitive(discrValue, discrValue.getClass()));
        }


        // Populate id attribute.
        SingularAttribute idAttribute = m.getIdAttribute();
        if (metaModel.isEmbeddable(idAttribute.getBindableJavaType()))
        {
            Field field = (Field) idAttribute.getJavaMember();
            EmbeddableType embeddableType = metaModel.embeddable(idAttribute.getBindableJavaType());
            String _id = get_Id(field, PropertyAccessorHelper.getObject(entity, field), embeddableType,
                    m.getTableName());
            jsonObject.addProperty("_id", _id);
            Object embeddedObject = PropertyAccessorHelper.getObject(entity, (Field) idAttribute.getJavaMember());
            Set<Attribute> embeddableAttributes = embeddableType.getAttributes();


            jsonObject.add(((AbstractAttribute) idAttribute).getJPAColumnName(),
                    getJsonObject(field.getType().getDeclaredFields(), embeddableType, embeddedObject));
        }
        else
        {
            jsonObject.addProperty("_id", m.getTableName() + PropertyAccessorHelper.getString(id));
            jsonObject.add(((AbstractAttribute) idAttribute).getJPAColumnName(),
                    getJsonPrimitive(id, idAttribute.getJavaType()));
        }
        // Populate columns
        Set<Attribute> columns = entityType.getAttributes();
        for (Attribute column : columns)
        {
            if (!column.equals(idAttribute))
            {
                try
                {
                    Class javaType = ((AbstractAttribute) column).getBindableJavaType();
                    if (metaModel.isEmbeddable(javaType))
                    {
                        onEmbeddable(entityType, column, entity, metaModel.embeddable(javaType), jsonObject);
                    }
                    else if (!column.isAssociation())
                    {
                        Object valueObject = PropertyAccessorHelper.getObject(entity, (Field) column.getJavaMember());
                        jsonObject.add(((AbstractAttribute) column).getJPAColumnName(),

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            if (rowKey == null)
            {
                return null;
            }
            Class<?> idClass = null;
            MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
                    m.getPersistenceUnit());
            Map<String, Object> relationValue = null;
            idClass = m.getIdAttribute().getJavaType();
            if (metaModel.isEmbeddable(m.getIdAttribute().getBindableJavaType()))
            {
                Class javaType = m.getIdAttribute().getBindableJavaType();
                PropertyAccessorHelper.setId(
                        entity,
                        m,
                        getObjectFromJson(rowKey.getAsJsonObject(), javaType, metaModel.embeddable(javaType)
                                .getAttributes()));
            }
            else
            {
                PropertyAccessorHelper.setId(entity, m,
                        PropertyAccessorHelper.fromSourceToTargetClass(idClass, String.class, rowKey.getAsString()));
            }


            EntityType entityType = metaModel.entity(entityClass);


            String discriminatorColumn = ((AbstractManagedType) entityType).getDiscriminatorColumn();


            Set<Attribute> columns = entityType.getAttributes();


            for (Attribute column : columns)
            {
                JsonElement value = jsonObj.get(((AbstractAttribute) column).getJPAColumnName());
                if (!column.equals(m.getIdAttribute())
                        && !((AbstractAttribute) column).getJPAColumnName().equals(discriminatorColumn)
                        && value != null && !value.equals(JsonNull.INSTANCE))
                {
                    String fieldName = ((AbstractAttribute) column).getJPAColumnName();


                    Class javaType = ((AbstractAttribute) column).getBindableJavaType();
                    if (metaModel.isEmbeddable(javaType))
                    {
                        onViaEmbeddable(entityType, column, m, entity, metaModel.embeddable(javaType), jsonObj);
                    }
                    else if (!column.isAssociation())
                    {
                        setFieldValue(entity, column, value);
                    }

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        {
            throw new PersistenceException("PelopsClient is closed.");
        }
        EntityMetadata metadata = KunderaMetadataManager.getEntityMetadata(kunderaMetadata, entity.getClass());


        MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
                metadata.getPersistenceUnit());
        AbstractManagedType managedType = (AbstractManagedType) metaModel.entity(metadata.getEntityClazz());
        // For secondary tables.
        List<String> secondaryTables = ((DefaultEntityAnnotationProcessor) managedType.getEntityAnnotation())
                .getSecondaryTablesName();
        secondaryTables.add(metadata.getTableName());

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                log.warn("Error while retrieving entities for given column {} for class {}.", colName, clazz);
                return entities;
            }
            entities = new ArrayList<Object>(qResults.size());
            // iterate through complete map and populateData
            MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
                    m.getPersistenceUnit());


            EntityType entityType = metaModel.entity(m.getEntityClazz());


            List<AbstractManagedType> subManagedType = ((AbstractManagedType) entityType).getSubManagedType();


            if (subManagedType.isEmpty())
            {

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                {
                    Map<Bytes, List<SuperColumn>> qResults = selector.getSuperColumnsFromRows(m.getTableName(),
                            selector.newKeyRange("", "", maxResult), slicePredicate, getConsistencyLevel());
                    entities = new ArrayList<Object>(qResults.size());


                    MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
                            m.getPersistenceUnit());


                    EntityType entityType = metaModel.entity(m.getEntityClazz());


                    List<AbstractManagedType> subManagedType = ((AbstractManagedType) entityType).getSubManagedType();


                    for (Bytes key : qResults.keySet())
                    {
                        onSuperColumn(m, isRelation, relations, entities, qResults.get(key), key.getBytes());
                    }
                }
                else
                {
                    Map<Bytes, List<Column>> qResults = selector.getColumnsFromRows(m.getTableName(),
                            selector.newKeyRange("", "", maxResult), slicePredicate, getConsistencyLevel());
                    entities = new ArrayList<Object>(qResults.size());
                    MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
                            m.getPersistenceUnit());


                    EntityType entityType = metaModel.entity(m.getEntityClazz());


                    List<AbstractManagedType> subManagedType = ((AbstractManagedType) entityType).getSubManagedType();
                    for (Bytes key : qResults.keySet())
                    {
                        onColumn(m, isRelation, relations, entities, qResults.get(key), subManagedType, key.getBytes());
                    }
                }


            }
        }
        else
        {
            entities = new ArrayList<Object>();
            for (IndexClause ix : ixClause)
            {
                Map<Bytes, List<Column>> qResults = selector.getIndexedColumns(m.getTableName(), ix, slicePredicate,
                        getConsistencyLevel());


                MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
                        m.getPersistenceUnit());


                EntityType entityType = metaModel.entity(m.getEntityClazz());


                List<AbstractManagedType> subManagedType = ((AbstractManagedType) entityType).getSubManagedType();


                for (Bytes key : qResults.keySet())
                {

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            if (metadata == null)
            {
                return source;
            }


            MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
                    metadata.getPersistenceUnit());


            EntityType entityType = metaModel.entity(sourceObjectClass);


            // May break for mapped super class.


            Object id = null;
            if (metadata.getRelations() != null && !metadata.getRelations().isEmpty())
            {


                id = PropertyAccessorHelper.getId(source, metadata);


                StringBuilder keyBuilder = new StringBuilder(sourceObjectClass.getName());
                keyBuilder.append("#");
                keyBuilder.append(id);
                Object copiedObjectInMap = copiedObjectMap.get(keyBuilder.toString());
                if (copiedObjectInMap != null)
                {
                    return copiedObjectInMap;
                }
            }
            // Copy Columns (in a table that doesn't have any embedded objects


            target = sourceObjectClass.newInstance();


            Iterator<Attribute> iter = entityType.getAttributes().iterator();
            while (iter.hasNext())
            {
                Attribute attrib = iter.next();


                Field columnField = (Field) attrib.getJavaMember();
                if (attrib.getPersistentAttributeType().equals(PersistentAttributeType.EMBEDDED)
                        || attrib.getPersistentAttributeType().equals(PersistentAttributeType.ELEMENT_COLLECTION))
                {
                    EmbeddableType embeddedColumn = metaModel.embeddable(((AbstractAttribute) attrib)
                            .getBindableJavaType());


                    Object sourceEmbeddedObj = PropertyAccessorHelper.getObject(source, columnField);
                    if (sourceEmbeddedObj != null)
                    {
                        if (metaModel.isEmbeddable(((AbstractAttribute) attrib).getBindableJavaType()))
                        {
                            if (attrib.isCollection())
                            {
                                Class<?> ecDeclaredClass = columnField.getType();
                                Class<?> actualEcObjectClass = sourceEmbeddedObj.getClass();

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        reader.addValidAnnotations(Entity.class.getName());


        Metamodel metamodel = appMetadata.getMetamodel(persistenceUnit);
        if (metamodel == null)
        {
            metamodel = new MetamodelImpl();
        }


        Map<String, EntityMetadata> entityMetadataMap = ((MetamodelImpl) metamodel).getEntityMetadataMap();
        Map<String, Class<?>> entityNameToClassMap = ((MetamodelImpl) metamodel).getEntityNameToClassMap();
        Map<String, List<String>> puToClazzMap = new HashMap<String, List<String>>();

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            // Top level node
            Node node = mapper.getNodeFromEntity(entity, id, graphDb, entityMetadata, isUpdate);


            if (node != null)
            {
                MetamodelImpl metamodel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
                        getPersistenceUnit());


                ((Neo4JTransaction) resource).addProcessedNode(id, node);


                if (!rlHolders.isEmpty())

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