Module is.codion.common.db

Package is.codion.common.db.result

Interface ResultPacker<T>

Type Parameters:

T - the type of object resulting from the packing

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface ResultPacker<T>

A ResultPacker packs the contents of a ResultSet into a List.

Method Summary

Modifier and Type	Method	Description
T	get(ResultSet resultSet)	Fetches a single instance from the given ResultSet, assuming ResultSet.next() has been called
default List<T>	pack(ResultSet resultSet)	Iterates through the given ResultSet, packing its contents into a List using get(ResultSet) in the order they appear.

Method Details

pack

default List<T> pack(ResultSet resultSet)
              throws SQLException

Iterates through the given ResultSet, packing its contents into a List using get(ResultSet) in the order they appear. This method does not close the ResultSet.

Parameters:

resultSet - the ResultSet instance containing the query result to process

Returns:

a List containing the data from the query result

Throws:

SQLException - thrown if anything goes wrong during the packing

NullPointerException - in case resultSet is null

get

T get(ResultSet resultSet)
throws SQLException

Fetches a single instance from the given ResultSet, assuming ResultSet.next() has been called

Parameters:

resultSet - the ResultSet

Returns:

the instance fetched from the ResultSet

Throws:

SQLException - in case of failure