com.gisgraphy.dao.hibernate

Class UniversalDaoHibernate

java.lang.Object

org.springframework.dao.support.DaoSupport

org.springframework.orm.hibernate3.support.HibernateDaoSupport

com.gisgraphy.dao.hibernate.UniversalDaoHibernate

All Implemented Interfaces:

UniversalDao, org.springframework.beans.factory.InitializingBean

Direct Known Subclasses:

LookupDaoHibernate

public class UniversalDaoHibernate
extends org.springframework.orm.hibernate3.support.HibernateDaoSupport
implements UniversalDao

This class serves as the a class that can CRUD any object witout any Spring configuration. The only downside is it does require casting from Object to the object class.

Author:

Bryan Noll

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.commons.logging.Log	log Log variable for all child classes.

Fields inherited from class org.springframework.dao.support.DaoSupport

logger

Constructor Summary

Constructors

Constructor and Description
UniversalDaoHibernate()

Method Summary

Methods

Modifier and Type	Method and Description
Object	get(Class<?> clazz, Serializable id) Generic method to get an object based on class and identifier.
List<?>	getAll(Class<?> clazz) Generic method used to get all objects of a particular type.
void	remove(Class<?> clazz, Serializable id) Generic method to delete an object based on class and id
Object	save(Object o) Generic method to save an object - handles both update and insert.

Methods inherited from class org.springframework.orm.hibernate3.support.HibernateDaoSupport

checkDaoConfig, convertHibernateAccessException, createHibernateTemplate, getHibernateTemplate, getSession, getSession, getSessionFactory, releaseSession, setHibernateTemplate, setSessionFactory

Methods inherited from class org.springframework.dao.support.DaoSupport

afterPropertiesSet, initDao

Methods inherited from class java.lang.Object

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

Field Detail

log

protected final org.apache.commons.logging.Log log

Log variable for all child classes. Uses LogFactory.getLog(getClass()) from Commons Logging

Constructor Detail

UniversalDaoHibernate

public UniversalDaoHibernate()

Method Detail

save

public Object save(Object o)

Generic method to save an object - handles both update and insert.

Specified by:

save in interface UniversalDao

Parameters:

o - the object to save

Returns:

a populated object

get

public Object get(Class<?> clazz,
         Serializable id)

Generic method to get an object based on class and identifier. An ObjectRetrievalFailureException Runtime Exception is thrown if nothing is found.

Specified by:

get in interface UniversalDao

Parameters:

clazz - model class to lookup

id - the identifier (primary key) of the class

Returns:

a populated object

See Also:

ObjectRetrievalFailureException

getAll

public List<?> getAll(Class<?> clazz)

Generic method used to get all objects of a particular type. This is the same as lookup up all rows in a table.

Specified by:

getAll in interface UniversalDao

Parameters:

clazz - the type of objects (a.k.a. while table) to get data from

Returns:

List of populated objects

remove

public void remove(Class<?> clazz,
          Serializable id)

Generic method to delete an object based on class and id

Specified by:

remove in interface UniversalDao

Parameters:

clazz - model class to lookup

id - the identifier (primary key) of the class