org.jdal.hibernate

Class HibernateUtils

java.lang.Object

org.jdal.hibernate.HibernateUtils

public abstract class HibernateUtils
extends Object

Hibernate Utility library

Author:

Jose Luis Martin - (jlm@joseluismartin.info)

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_DEPTH

Constructor Summary

Constructors

Constructor and Description
HibernateUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static Example	excludeBooleanFields(Object instance) Get a hibernate Example object that excludes zeroes values and excludes all boolean -primitive and wrapper class- attributes of a given object.
static String	findAliasForPropertyPath(Criteria criteria, String propertyPath) Return a existing alias for propertyPath on Criteria or null if none
static Set<String>	getFieldNamesByType(Object obj, Class<?> type) Get all name attributes from a object that are of the given class
static String	getIdentifierPropertyName(SessionFactory sessionFactory, Object obj) Gets the identifier property name of persistent object
static void	initialize(SessionFactory sessionFactory, Object obj) Initialize a Object for use with closed sessions, Use with care, will recurse on all properties.
static void	initialize(SessionFactory sessionFactory, Object obj, int depth) Initialize a Object for use whith closed session.
static void	initializeCollection(Collection collection, Session session) Initialize Collection (detached or not)

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_DEPTH

public static final int DEFAULT_DEPTH

See Also:

Constant Field Values

Constructor Detail

HibernateUtils

public HibernateUtils()

Method Detail

initialize

public static void initialize(SessionFactory sessionFactory,
              Object obj,
              int depth)

Initialize a Object for use whith closed session. Will recurse on properties at maximum of n depth.

Parameters:

sessionFactory - the Hibernate SessionFactory to use

obj - Object to initialize

depth - max depth in recursion

initialize

public static void initialize(SessionFactory sessionFactory,
              Object obj)

Initialize a Object for use with closed sessions, Use with care, will recurse on all properties.

Parameters:

sessionFactory - the hibernate SessionFactory

obj - persistent object to initialize

initializeCollection

public static void initializeCollection(Collection collection,
                        Session session)

Initialize Collection (detached or not)

Parameters:

collection - collection to initialize

session - Session to use for initialization

getIdentifierPropertyName

public static String getIdentifierPropertyName(SessionFactory sessionFactory,
                               Object obj)

Gets the identifier property name of persistent object

Parameters:

sessionFactory - the hibernate SessionFactory

obj - the persistent object

Returns:

the identifier property name

getFieldNamesByType

public static Set<String> getFieldNamesByType(Object obj,
                              Class<?> type)

Get all name attributes from a object that are of the given class

Parameters:

obj - Object to get fields

type - type of the class to find.

Returns:

name attributes with the class type specified

excludeBooleanFields

public static Example excludeBooleanFields(Object instance)

Get a hibernate Example object that excludes zeroes values and excludes all boolean -primitive and wrapper class- attributes of a given object.

Parameters:

instance - given object for a build a Example object.

Returns:

a hibernate Example object.

findAliasForPropertyPath

public static String findAliasForPropertyPath(Criteria criteria,
                              String propertyPath)

Return a existing alias for propertyPath on Criteria or null if none

Parameters:

criteria - Hibernate Criteria

propertyPath - the property path

Returns:

alias or null if none