com.github.marschall.storedprocedureproxy

Interface ValueExtractor<V>

Type Parameters:

V - the value type

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 ValueExtractor<V>

Extracts a value from a single row.

This class is used to extract a value object from every row in a ref cursor out parameter.

Implementations should not catch SQLException this will be done by a higher layer.

See Also:

NumberedValueExtractor

Method Summary

Modifier and Type	Method and Description
V	extractValue(ResultSet resultSet) Extract the value from the current row.

Method Detail

extractValue

V extractValue(ResultSet resultSet)
        throws SQLException

Extract the value from the current row.

Implementations should not call ResultSet.next() but instead expect to be called for every method.

Parameters:

resultSet - the ResultSet to the value of the current row from

Returns:

the value for the current row

Throws:

SQLException - propagated if a method on ResultSet throws an exception