ValueExtractor (Stored Procedure Proxy 0.12.0 API)

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
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method 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