liquibase.executor.jvm.RowMapper Maven / Gradle / Ivy
package liquibase.executor.jvm;
import java.sql.ResultSet;
import java.sql.SQLException;
/**
* An interface used by {@link liquibase.executor.Executor} for mapping rows of a
* {@link java.sql.ResultSet} on a per-row basis. Implementations of this
* interface perform the actual work of mapping each row to a result object,
* but don't need to worry about exception handling.
* {@link java.sql.SQLException SQLExceptions} will be caught and handled
* by the calling JdbcTemplate.
*
*
* @author Spring Framework
* @see liquibase.executor.Executor
* @see RowCallbackHandler
* @see ResultSetExtractor
*/
public interface RowMapper {
/**
* Implementations must implement this method to map each row of data
* in the ResultSet. This method should not call next() on
* the ResultSet; it is only supposed to map values of the current row.
*
* @param rs the ResultSet to map (pre-initialized for the current row)
* @param rowNum the number of the current row
* @return the result object for the current row
* @throws java.sql.SQLException if a SQLException is encountered getting
* column values (that is, there's no need to catch SQLException)
*/
Object mapRow(ResultSet rs, int rowNum) throws SQLException;
}