org.hibernate.loader.custom

Class ConstructorResultColumnProcessor

java.lang.Object

org.hibernate.loader.custom.ConstructorResultColumnProcessor

public class ConstructorResultColumnProcessor
extends Object

Represents a ConstructorResult within the custom query.

Constructor Summary

Constructors

Constructor and Description
ConstructorResultColumnProcessor(Class targetClass, ScalarResultColumnProcessor[] scalarProcessors)

Method Summary

Methods

Modifier and Type	Method and Description
Object	extract(Object[] data, ResultSet resultSet, SessionImplementor session) Perform The extraction
void	performDiscovery(org.hibernate.loader.custom.JdbcResultMetadata metadata, List<Type> types, List<String> aliases) Perform discovery, if needed.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ConstructorResultColumnProcessor

public ConstructorResultColumnProcessor(Class targetClass,
                                ScalarResultColumnProcessor[] scalarProcessors)

Method Detail

performDiscovery

public void performDiscovery(org.hibernate.loader.custom.JdbcResultMetadata metadata,
                    List<Type> types,
                    List<String> aliases)
                      throws SQLException

Perform discovery, if needed. Typically discovery activities include looking up the column name in the ResultSet or JDBC type codes.

Parameters:

metadata - Delegate for accessing metadata about the JDBC ResultSet

types - The building List of types

aliases - The building list of column names/aliases

Throws:

SQLException - Indicates a problem accessing the JDBC objects

extract

public Object extract(Object[] data,
             ResultSet resultSet,
             SessionImplementor session)
               throws SQLException,
                      HibernateException

Perform The extraction

Parameters:

data - All non-scalar results (handled at a higher level than these processors)

resultSet - The JDBC result set.

session - The Hibernate Session

Returns:

The extracted value

Throws:

SQLException - Indicates a problem accessing the JDBC objects

HibernateException - Indicates a higher-level problem already categorized by Hibernate