@Override public <T> PaginatedQueryList<T> query(Class<T> clazz, DynamoDBQueryExpression<T> queryExpression, DynamoDBMapperConfig config) { config = mergeConfig(config); QueryRequest queryRequest = createQueryRequestFromExpression(clazz, queryExpression, config); QueryResult queryResult = db.query(applyUserAgent(queryRequest)); return new PaginatedQueryList<T>(this, clazz, db, queryRequest, queryResult, config.getPaginationLoadingStrategy(), config); }
@Override public <T> int count(Class<T> clazz, DynamoDBQueryExpression<T> queryExpression, DynamoDBMapperConfig config) { config = mergeConfig(config); QueryRequest queryRequest = createQueryRequestFromExpression(clazz, queryExpression, config); queryRequest.setSelect(Select.COUNT); // Count queries can also be truncated for large datasets int count = 0; QueryResult queryResult = null; do { queryResult = db.query(applyUserAgent(queryRequest)); count += queryResult.getCount(); queryRequest.setExclusiveStartKey(queryResult.getLastEvaluatedKey()); } while (queryResult.getLastEvaluatedKey() != null); return count; }
@Override public <T> QueryResultPage<T> queryPage(Class<T> clazz, DynamoDBQueryExpression<T> queryExpression, DynamoDBMapperConfig config) { config = mergeConfig(config); QueryRequest queryRequest = createQueryRequestFromExpression(clazz, queryExpression, config); QueryResult queryResult = db.query(applyUserAgent(queryRequest)); QueryResultPage<T> result = new QueryResultPage<T>(); List<AttributeTransformer.Parameters<T>> parameters = toParameters(queryResult.getItems(), clazz, queryRequest.getTableName(), config); result.setResults(marshallIntoObjects(parameters)); result.setLastEvaluatedKey(queryResult.getLastEvaluatedKey()); result.setCount(queryResult.getCount()); result.setScannedCount(queryResult.getScannedCount()); result.setConsumedCapacity(queryResult.getConsumedCapacity()); return result; }
@Override public <T> PaginatedQueryList<T> query(Class<T> clazz, DynamoDBQueryExpression<T> queryExpression, DynamoDBMapperConfig config) { config = mergeConfig(config); QueryRequest queryRequest = createQueryRequestFromExpression(clazz, queryExpression, config); QueryResult queryResult = db.query(applyUserAgent(queryRequest)); return new PaginatedQueryList<T>(this, clazz, db, queryRequest, queryResult, config.getPaginationLoadingStrategy(), config); }
@Override public <T> int count(Class<T> clazz, DynamoDBQueryExpression<T> queryExpression, DynamoDBMapperConfig config) { config = mergeConfig(config); QueryRequest queryRequest = createQueryRequestFromExpression(clazz, queryExpression, config); queryRequest.setSelect(Select.COUNT); // Count queries can also be truncated for large datasets int count = 0; QueryResult queryResult = null; do { queryResult = db.query(applyUserAgent(queryRequest)); count += queryResult.getCount(); queryRequest.setExclusiveStartKey(queryResult.getLastEvaluatedKey()); } while (queryResult.getLastEvaluatedKey() != null); return count; }
@Override public <T> QueryResultPage<T> queryPage(Class<T> clazz, DynamoDBQueryExpression<T> queryExpression, DynamoDBMapperConfig config) { config = mergeConfig(config); QueryRequest queryRequest = createQueryRequestFromExpression(clazz, queryExpression, config); QueryResult queryResult = db.query(applyUserAgent(queryRequest)); QueryResultPage<T> result = new QueryResultPage<T>(); List<AttributeTransformer.Parameters<T>> parameters = toParameters(queryResult.getItems(), clazz, queryRequest.getTableName(), config); result.setResults(marshallIntoObjects(parameters)); result.setLastEvaluatedKey(queryResult.getLastEvaluatedKey()); result.setCount(queryResult.getCount()); result.setScannedCount(queryResult.getScannedCount()); result.setConsumedCapacity(queryResult.getConsumedCapacity()); return result; }