org.apache.empire.spring

Interface DBReaderExtractor<K>

public interface DBReaderExtractor<K>

Callback interface to use with EmpireTemplate's query methods. Implementations of this interface perform the actual work of extracting results from a DBReader. This class is the Empire equivalent of Spring's ResultSetExtractor.

Method Summary

Methods

Modifier and Type	Method and Description
K	process(DBReader reader) Implementations must implement this method to process the entire DBReader.

Method Detail

process

K process(DBReader reader)

Implementations must implement this method to process the entire DBReader. Unlike DBRecordMapper and DBRecordCallbackHandler it's the developer's response to iterate through the reader calling reader.next();

Parameters:

reader - to process

Returns:

the result object, can be null