Package com.impetus.kundera.metadata.model

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

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    }

    @Override
    public List<Object> findByRelation(String colName, Object colValue, Class entityClazz)
    {
        EntityMetadata m = KunderaMetadataManager.getEntityMetadata(kunderaMetadata, entityClazz);
        CQLTranslator translator = new CQLTranslator();
        String selectQuery = translator.SELECTALL_QUERY;
        selectQuery = StringUtils.replace(selectQuery, CQLTranslator.COLUMN_FAMILY,
                translator.ensureCase(new StringBuilder(), m.getTableName(), false).toString());

        StringBuilder selectQueryBuilder = new StringBuilder(selectQuery);
        selectQueryBuilder.append(CQLTranslator.ADD_WHERE_CLAUSE);

        translator.buildWhereClause(selectQueryBuilder, colValue.getClass(), colName, colValue,
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    @Override
    public List executeQuery(Class clazz, List<String> relationalField, boolean isNative, String cqlQuery)
    {
        ResultSet rSet = (ResultSet) this.execute(cqlQuery, null);
        EntityMetadata metadata = KunderaMetadataManager.getEntityMetadata(kunderaMetadata, clazz);
        return iterateAndReturn(rSet, clazz, metadata);
    }
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    }

    @Override
    public void delete(Object entity, Object pKey)
    {
        EntityMetadata m = KunderaMetadataManager.getEntityMetadata(kunderaMetadata, entity.getClass());

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

        AbstractManagedType managedType = (AbstractManagedType) metaModel.entity(m.getEntityClazz());

        // For secondary tables.
        List<String> secondaryTables = ((DefaultEntityAnnotationProcessor) managedType.getEntityAnnotation())
                .getSecondaryTablesName();
        secondaryTables.add(m.getTableName());

        for (String tableName : secondaryTables)
        {
            this.execute(onDeleteQuery(m, tableName, metaModel, pKey), null);
        }
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    public static String getLuceneQueryFromJPAQuery(final KunderaQuery kunderaQuery,
            final KunderaMetadata kunderaMetadata)
    {

        LuceneQueryBuilder queryBuilder = new LuceneQueryBuilder();
        EntityMetadata metadata = kunderaQuery.getEntityMetadata();
        MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
                metadata.getPersistenceUnit());
        Class valueClazz = null;
        EntityType entity = metaModel.entity(metadata.getEntityClazz());

        for (Object object : kunderaQuery.getFilterClauseQueue())
        {
            if (object instanceof FilterClause)
            {
                FilterClause filter = (FilterClause) object;
                String property = filter.getProperty();
                String condition = filter.getCondition();
                String valueAsString = filter.getValue().get(0).toString();
                String fieldName = metadata.getFieldName(property);
                boolean isEmbeddedId = metaModel.isEmbeddable(metadata.getIdAttribute().getBindableJavaType());
                String idColumn = ((AbstractAttribute) metadata.getIdAttribute()).getJPAColumnName();
                valueClazz = getValueType(entity, fieldName);

                if (isEmbeddedId)
                {
                    if (idColumn.equals(property))
                    {
                        valueAsString = prepareCompositeKey(metadata, metaModel, filter.getValue().get(0));
                        queryBuilder.appendIndexName(metadata.getIndexName()).appendPropertyName(idColumn)
                                .buildQuery(condition, valueAsString, valueClazz);
                    }
                    else
                    {
                        valueClazz = metadata.getIdAttribute().getBindableJavaType();
                        property = property.substring(property.indexOf(".") + 1);
                        queryBuilder.appendIndexName(metadata.getIndexName())
                                .appendPropertyName(getPropertyName(metadata, property, kunderaMetadata))
                                .buildQuery(condition, valueAsString, valueClazz);
                    }
                }
                else
                {
                    queryBuilder.appendIndexName(metadata.getIndexName())
                            .appendPropertyName(getPropertyName(metadata, property, kunderaMetadata))
                            .buildQuery(condition, valueAsString, valueClazz);
                }
            }
            else
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                            if (colValue != null)
                            {
                                String colFieldName = m.getFieldName(jpaColumnName);
                                Attribute attribute = colFieldName != null ? entityType.getAttribute(colFieldName)
                                        : null;
                                EntityMetadata relationMetadata = KunderaMetadataManager.getEntityMetadata(kunderaMetadata, attribute
                                        .getJavaType());
                                colValue = MongoDBUtils.getTranslatedObject(colValue, colValue.getClass(),
                                        relationMetadata.getIdAttribute().getJavaType());
                            }
                            relationValue.put(jpaColumnName, colValue);
                        }
                    }
                }
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     */
    @Override
    public Object[] findIdsByColumn(String schemaName, String tableName, String pKeyName, String columnName,
            Object columnValue, Class entityClazz)
    {
        EntityMetadata metadata = KunderaMetadataManager.getEntityMetadata(kunderaMetadata, entityClazz);

        List<Object> primaryKeys = new ArrayList<Object>();

        DBCollection dbCollection = mongoDb.getCollection(tableName);
        BasicDBObject query = new BasicDBObject();

        query.put(columnName, MongoDBUtils.populateValue(columnValue, columnValue.getClass()));

        DBCursor cursor = dbCollection.find(query);
        KunderaCoreUtils.printQuery("Find id by column:" + query, showQuery);
        DBObject fetchedDocument = null;

        while (cursor.hasNext())
        {
            fetchedDocument = cursor.next();
            Object primaryKey = fetchedDocument.get(pKeyName);
            primaryKey = MongoDBUtils.getTranslatedObject(primaryKey, primaryKey.getClass(), metadata.getIdAttribute()
                    .getJavaType());
            primaryKeys.add(primaryKey);
        }

        if (primaryKeys != null && !primaryKeys.isEmpty())
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     * java.lang.String, com.impetus.kundera.metadata.EntityMetadata)
     */
    @Override
    public Object find(Class entityClass, Object key)
    {
        EntityMetadata entityMetadata = KunderaMetadataManager.getEntityMetadata(kunderaMetadata, entityClass);

        List<String> relationNames = entityMetadata.getRelationNames();

        BasicDBObject query = new BasicDBObject();

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

        AbstractManagedType managedType = (AbstractManagedType) metaModel.entity(entityMetadata.getEntityClazz());

        if (metaModel.isEmbeddable(entityMetadata.getIdAttribute().getBindableJavaType()))
        {
            MongoDBUtils.populateCompoundKey(query, entityMetadata, metaModel, key);
        }
        else
        {
            query.put("_id", MongoDBUtils.populateValue(key, key.getClass()));
        }

        // For secondary tables.
        List<String> secondaryTables = ((DefaultEntityAnnotationProcessor) managedType.getEntityAnnotation())
                .getSecondaryTablesName();
        secondaryTables.add(entityMetadata.getTableName());

        Object enhancedEntity = null;
        Map<String, Object> relationValue = null;
        // Here you need to fetch by sub managed type.

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

        for (String tableName : secondaryTables)
        {
            DBCollection dbCollection = mongoDb.getCollection(tableName);
            KunderaCoreUtils.printQuery("Find document:" + query, showQuery);
            DBObject fetchedDocument = dbCollection.findOne(query);

            if (fetchedDocument != null)
            {
                List<AbstractManagedType> subManagedType = ((AbstractManagedType) entityType).getSubManagedType();

                EntityMetadata subEntityMetadata = null;
                if (!subManagedType.isEmpty())
                {
                    for (AbstractManagedType subEntity : subManagedType)
                    {
                        String discColumn = subEntity.getDiscriminatorColumn();
                        String disColValue = subEntity.getDiscriminatorValue();
                        Object value = fetchedDocument.get(discColumn);
                        if (value != null && value.toString().equals(disColValue))
                        {
                            subEntityMetadata = KunderaMetadataManager.getEntityMetadata(kunderaMetadata,
                                    subEntity.getJavaType());
                            break;
                        }
                    }

                    enhancedEntity = instantiateEntity(subEntityMetadata.getEntityClazz(), enhancedEntity);
                    relationValue = handler.getEntityFromDocument(subEntityMetadata.getEntityClazz(), enhancedEntity,
                            subEntityMetadata, fetchedDocument, subEntityMetadata.getRelationNames(), relationValue,
                            kunderaMetadata);
                }
                else
                {
                    enhancedEntity = instantiateEntity(entityClass, enhancedEntity);
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     * java.lang.Object[])
     */
    @Override
    public <E> List<E> findAll(Class<E> entityClass, String[] columnsToSelect, Object... keys)
    {
        EntityMetadata entityMetadata = KunderaMetadataManager.getEntityMetadata(kunderaMetadata, entityClass);

        log.debug("Fetching data from " + entityMetadata.getTableName() + " for Keys " + keys);

        DBCollection dbCollection = mongoDb.getCollection(entityMetadata.getTableName());

        BasicDBObject query = new BasicDBObject();

        query.put("_id", new BasicDBObject("$in", keys));

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     * java.lang.Object)
     */
    @Override
    public void delete(Object entity, Object pKey)
    {
        EntityMetadata entityMetadata = KunderaMetadataManager.getEntityMetadata(kunderaMetadata, entity.getClass());

        // Find the DBObject to remove first
        BasicDBObject query = new BasicDBObject();

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

        if (metaModel.isEmbeddable(entityMetadata.getIdAttribute().getBindableJavaType()))
        {
            MongoDBUtils.populateCompoundKey(query, entityMetadata, metaModel, pKey);
        }
        else
        {

            query.put("_id", MongoDBUtils.populateValue(pKey, pKey.getClass()));
        }

        AbstractManagedType managedType = (AbstractManagedType) metaModel.entity(entityMetadata.getEntityClazz());
        // For secondary tables.
        List<String> secondaryTables = ((DefaultEntityAnnotationProcessor) managedType.getEntityAnnotation())
                .getSecondaryTablesName();
        secondaryTables.add(entityMetadata.getTableName());

        for (String collectionName : secondaryTables)
        {
            KunderaCoreUtils.printQuery("Drop existing collection:" + query, showQuery);
            DBCollection dbCollection = mongoDb.getCollection(collectionName);
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     *            the m
     * @return the list
     */
    public List<Object> findByRelation(String colName, Object colValue, Class entityClazz)
    {
        EntityMetadata m = KunderaMetadataManager.getEntityMetadata(kunderaMetadata, entityClazz);
        // you got column name and column value.
        DBCollection dbCollection = mongoDb.getCollection(m.getTableName());

        BasicDBObject query = new BasicDBObject();

        query.put(colName, MongoDBUtils.populateValue(colValue, colValue.getClass()));
        KunderaCoreUtils.printQuery("Find by relation:" + query, showQuery);
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