Top Description Methods
org.hibernate.loader.custom

pack-priv Interface ResultColumnProcessor

Known Direct Implementers
org.hibernate.loader.custom.ScalarResultColumnProcessor, org.hibernate.loader.custom.ConstructorResultColumnProcessor, org.hibernate.loader.custom.NonScalarResultColumnProcessor
Imports
java.sql.ResultSet, .SQLException, java.util.List, org.hibernate.HibernateException, org.hibernate.engine.spi.SharedSessionContractImplementor, org.hibernate.type.Type
Processor for each "column" in a custom query result. May map to more than one physical column in the JDBC ResultSert.
Author
Steve Ebersole

Method Summary

Modifier and TypeMethod and Description
public Object

Returns:

The extracted value
extract(Object[]
All non-scalar results (handled at a higher level than these processors)
data, ResultSet
The JDBC result set.
resultSet, SharedSessionContractImplementor
The Hibernate Session
session)

Perform The extraction

public void
performDiscovery(JdbcResultMetadata
Delegate for accessing metadata about the JDBC ResultSet
metadata, List<Type>
The building List of types
types, List<String>
The building list of column names/aliases
aliases)

Perform discovery, if needed.

Method Detail

extractback to summary
public Object extract(Object[] data, ResultSet resultSet, SharedSessionContractImplementor session) throws SQLException, HibernateException

Perform The extraction

Parameters
data:Object[]

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

resultSet:ResultSet

The JDBC result set.

session:SharedSessionContractImplementor

The Hibernate Session

Returns:Object

The extracted value

Exceptions
SQLException:
Indicates a problem accessing the JDBC objects
HibernateException:
Indicates a higher-level problem already categorized by Hibernate
performDiscoveryback to summary
public void performDiscovery(JdbcResultMetadata metadata, List<Type> types, List<String> aliases) throws SQLException, HibernateException

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

Parameters
metadata:JdbcResultMetadata

Delegate for accessing metadata about the JDBC ResultSet

types:List<Type>

The building List of types

aliases:List<String>

The building list of column names/aliases

Exceptions
SQLException:
Indicates a problem accessing the JDBC objects
HibernateException:
Indicates a higher-level problem already categorized by Hibernate