de.alpharogroup.db.sessionfactory

Class GenericHibernateDao<T extends BaseEntity<PK>,PK extends Serializable>

java.lang.Object

de.alpharogroup.db.sessionfactory.GenericHibernateDao<T,PK>

Type Parameters:

T - the generic type of the dao object.

PK - the generic type of the primary key from the dao object.

All Implemented Interfaces:

GenericDao<T,PK>, SessionFactoryDao<T,PK>, Serializable

public class GenericHibernateDao<T extends BaseEntity<PK>,PK extends Serializable>
extends Object
implements SessionFactoryDao<T,PK>

The Class GenericHibernateDao.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
GenericHibernateDao()

Method Summary

Modifier and Type	Method and Description
void	delete(List<T> objects) Delete all persistent objects in the given list.
void	delete(PK id) Deletes an object of a given Id.
void	delete(PK id, org.hibernate.Session session) Deletes an object of a given Id with the given session object.
void	delete(T object) Deletes the given object from persistent storage in the database.
void	delete(T object, org.hibernate.Session session) Deletes the given object from persistent storage in the database with the given session object.
void	evict(T object) Remove this instance from the session cache.
boolean	exists(PK id) Checks if an entry exists with the given id.
List<T>	find(String hqlQuery, String[] params, Object[] paramValues, org.hibernate.type.Type[] paramTypes, Integer start, Integer count) Returns a list from the result from the given hqlquery.
List<T>	findAll() Returns a list of all persistent objects.
List<T>	findByCriteria(org.hibernate.criterion.Criterion... criterion) Hibernate wrapper.
List<T>	findByExample(T exampleInstance, String... excludeProperty) Find by example.
T	get(PK id) Retrieve a persisted object with a given id from the database.
T	get(PK id, org.hibernate.Session session) Loads the given Object with the given session object.
DataSource	getDataSource() Gets the data source.
org.springframework.jdbc.core.JdbcTemplate	getJdbcTemplate() Gets the jdbc template.
Class<T>	getPersistentClass() Gets the persitent class.
org.hibernate.Query	getQuery(String hqlQuery) Gets a query object from the given String.
org.hibernate.Query	getQuery(String queryString, org.hibernate.Session session) Gets a query object from the given String with the given session object.
org.hibernate.Session	getSession() Gets the hibernate session.
org.hibernate.SessionFactory	getSessionFactory() Gets the session factory.
Class<T>	getType() Gets the class type.
T	load(PK id) Retrieve a persisted object with a given id from the database.
T	load(PK id, org.hibernate.Session session) Retrieve a persisted object with a given id from the database with the given session object.
List<T>	merge(List<T> objects) Merges all new objects in the given list.
T	merge(T object) Merges the given object.
void	refresh(T object) Re-read the state of the given instance from the underlying database.
List<PK>	save(List<T> objects) Save all new objects in the given list.
PK	save(T object) Persist the given object into database.
PK	save(T object, org.hibernate.Session session) Save the given object.
void	saveOrUpdate(List<T> objects) Save or update all transient objects in the given list.
void	saveOrUpdate(T object) Save or update the given persistent object.
void	saveOrUpdate(T object, org.hibernate.Session session) Save or update the given transient object.
void	setDataSource(DataSource dataSource) Sets the data source.
void	setJdbcTemplate(org.springframework.jdbc.core.JdbcTemplate jdbcTemplate) Sets the jdbc template.
void	setSession(org.hibernate.Session session) Sets the hibernate session.
void	setSessionFactory(org.hibernate.SessionFactory sessionFactory) Sets the session factory.
void	update(List<T> objects) Update all transient objects in the given list.
void	update(T object) Update changes made to the given object.
void	update(T object, org.hibernate.Session session) Updates the given object with the given session object.

Methods inherited from class java.lang.Object

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

Constructor Detail

GenericHibernateDao

public GenericHibernateDao()

Method Detail

getType

public Class<T> getType()

Gets the class type.

Specified by:

getType in interface GenericDao<T extends BaseEntity<PK>,PK extends Serializable>

Returns:

the class type

getDataSource

public DataSource getDataSource()

Gets the data source.

Returns:

the data source

setDataSource

public void setDataSource(DataSource dataSource)

Sets the data source.

Parameters:

dataSource - the new data source

getJdbcTemplate

public org.springframework.jdbc.core.JdbcTemplate getJdbcTemplate()

Gets the jdbc template.

Returns:

the jdbc template

setJdbcTemplate

public void setJdbcTemplate(org.springframework.jdbc.core.JdbcTemplate jdbcTemplate)

Sets the jdbc template.

Parameters:

jdbcTemplate - the new jdbc template

getSessionFactory

public org.hibernate.SessionFactory getSessionFactory()

Gets the session factory.

Returns:

SessionFactory Object

setSessionFactory

public void setSessionFactory(org.hibernate.SessionFactory sessionFactory)

Sets the session factory.

Parameters:

sessionFactory - the new session factory

getSession

public org.hibernate.Session getSession()

Gets the hibernate session.

Specified by:

getSession in interface SessionFactoryDao<T extends BaseEntity<PK>,PK extends Serializable>

Returns:

the hibernate session

setSession

public void setSession(org.hibernate.Session session)

Sets the hibernate session.

Specified by:

setSession in interface SessionFactoryDao<T extends BaseEntity<PK>,PK extends Serializable>

Parameters:

session - The hibernate session to set.

delete

public void delete(PK id)

Deletes an object of a given Id. Will load the object internally so consider using delete (T obj) directly

Specified by:

delete in interface GenericDao<T extends BaseEntity<PK>,PK extends Serializable>

Parameters:

id - the id

delete

public void delete(PK id,
                   org.hibernate.Session session)

Deletes an object of a given Id with the given session object. Note: Will load the object internally so consider using delete(T persistentObject) directly

Specified by:

delete in interface SessionFactoryDao<T extends BaseEntity<PK>,PK extends Serializable>

Parameters:

id - the id

session - the session to use for the operation.

delete

public void delete(T object)

Deletes the given object from persistent storage in the database.

Specified by:

delete in interface GenericDao<T extends BaseEntity<PK>,PK extends Serializable>

Parameters:

object - the persistent object

delete

public void delete(T object,
                   org.hibernate.Session session)

Deletes the given object from persistent storage in the database with the given session object.

Specified by:

delete in interface SessionFactoryDao<T extends BaseEntity<PK>,PK extends Serializable>

Parameters:

object - the persistent object

session - the session to use for the operation.

exists

public boolean exists(PK id)

Checks if an entry exists with the given id.

Specified by:

exists in interface GenericDao<T extends BaseEntity<PK>,PK extends Serializable>

Parameters:

id - the id to check

Returns:

true, if an entry exists with the given id, otherwise false.

findAll

public List<T> findAll()

Returns a list of all persistent objects.

Specified by:

findAll in interface GenericDao<T extends BaseEntity<PK>,PK extends Serializable>

Returns:

list of all persistent objects

findByCriteria

public List<T> findByCriteria(org.hibernate.criterion.Criterion... criterion)

Hibernate wrapper.

Specified by:

findByCriteria in interface SessionFactoryDao<T extends BaseEntity<PK>,PK extends Serializable>

Parameters:

criterion - the criterion

Returns:

list of objects

findByExample

public List<T> findByExample(T exampleInstance,
                             String... excludeProperty)

Find by example.

Specified by:

findByExample in interface SessionFactoryDao<T extends BaseEntity<PK>,PK extends Serializable>

Parameters:

exampleInstance - the example instance

excludeProperty - the exclude property

Returns:

A list of objects

get

public T get(PK id)

Retrieve a persisted object with a given id from the database.

Specified by:

get in interface GenericDao<T extends BaseEntity<PK>,PK extends Serializable>

Parameters:

id - the id

Returns:

An object of type T

get

public T get(PK id,
             org.hibernate.Session session)

Loads the given Object with the given session object.

Specified by:

get in interface SessionFactoryDao<T extends BaseEntity<PK>,PK extends Serializable>

Parameters:

id - Id to load

session - the session to use for the operation.

Returns:

An object of type T

getPersistentClass

public Class<T> getPersistentClass()

Gets the persitent class.

Returns:

the persitent class.

getQuery

public org.hibernate.Query getQuery(String hqlQuery)

Gets a query object from the given String.

Specified by:

getQuery in interface SessionFactoryDao<T extends BaseEntity<PK>,PK extends Serializable>

Parameters:

hqlQuery - the hql query as String

Returns:

A query object

getQuery

public org.hibernate.Query getQuery(String queryString,
                                    org.hibernate.Session session)

Gets a query object from the given String with the given session object.

Specified by:

getQuery in interface SessionFactoryDao<T extends BaseEntity<PK>,PK extends Serializable>

Parameters:

queryString - the hql query as String

session - the session to use for the operation.

Returns:

Query object

load

public T load(PK id)

Retrieve a persisted object with a given id from the database.

Specified by:

load in interface GenericDao<T extends BaseEntity<PK>,PK extends Serializable>

Parameters:

id - the id

Returns:

An object of type T

load

public T load(PK id,
              org.hibernate.Session session)

Retrieve a persisted object with a given id from the database with the given session object.

Specified by:

load in interface SessionFactoryDao<T extends BaseEntity<PK>,PK extends Serializable>

Parameters:

id - the id

session - the session to use for the operation.

Returns:

an object of type T

refresh

public void refresh(T object)

Re-read the state of the given instance from the underlying database.

Specified by:

refresh in interface GenericDao<T extends BaseEntity<PK>,PK extends Serializable>

Parameters:

object - the object to re-read.

save

public PK save(T object)

Persist the given object into database.

Specified by:

save in interface GenericDao<T extends BaseEntity<PK>,PK extends Serializable>

Parameters:

object - the new instance to save.

Returns:

the id of the saved object

save

public PK save(T object,
               org.hibernate.Session session)

Save the given object.

Specified by:

save in interface SessionFactoryDao<T extends BaseEntity<PK>,PK extends Serializable>

Parameters:

object - the new instance to save.

session - the session to use for the operation.

Returns:

the id of the saved object

saveOrUpdate

public void saveOrUpdate(T object)

Save or update the given persistent object.

Specified by:

saveOrUpdate in interface GenericDao<T extends BaseEntity<PK>,PK extends Serializable>

Parameters:

object - the transient object to save or update.

saveOrUpdate

public void saveOrUpdate(T object,
                         org.hibernate.Session session)

Save or update the given transient object.

Specified by:

saveOrUpdate in interface SessionFactoryDao<T extends BaseEntity<PK>,PK extends Serializable>

Parameters:

object - the transient object to save or update.

session - the session to use for the operation.

update

public void update(T object)

Update changes made to the given object.

Specified by:

update in interface GenericDao<T extends BaseEntity<PK>,PK extends Serializable>

Parameters:

object - the transient object to update.

update

public void update(T object,
                   org.hibernate.Session session)

Updates the given object with the given session object.

Specified by:

update in interface SessionFactoryDao<T extends BaseEntity<PK>,PK extends Serializable>

Parameters:

object - the transient object to save or update.

session - the session to use for the operation.

evict

public void evict(T object)

Remove this instance from the session cache.

Specified by:

evict in interface GenericDao<T extends BaseEntity<PK>,PK extends Serializable>

Parameters:

object - the object to evict.

find

public List<T> find(String hqlQuery,
                    String[] params,
                    Object[] paramValues,
                    org.hibernate.type.Type[] paramTypes,
                    Integer start,
                    Integer count)

Returns a list from the result from the given hqlquery.

Specified by:

find in interface SessionFactoryDao<T extends BaseEntity<PK>,PK extends Serializable>

Parameters:

hqlQuery - the hql query.

params - Array from the parameter for the query.

paramValues - Array from the values from the parameters for the query.

paramTypes - Array which defines what kind of type the the parameter is.

start - Defines from where to start the result.

count - Defines how much rows to get from the query.

Returns:

the result list.

merge

public T merge(T object)

Merges the given object. @see Hibernate documentation.

Specified by:

merge in interface GenericDao<T extends BaseEntity<PK>,PK extends Serializable>

Parameters:

object - the object

Returns:

the object

delete

public void delete(List<T> objects)

Delete all persistent objects in the given list.

Specified by:

delete in interface GenericDao<T extends BaseEntity<PK>,PK extends Serializable>

Parameters:

objects - the list with the persistent objects to delete

save

public List<PK> save(List<T> objects)

Save all new objects in the given list.

Specified by:

save in interface GenericDao<T extends BaseEntity<PK>,PK extends Serializable>

Parameters:

objects - the list to save

Returns:

the list with the ids of the saved objects

saveOrUpdate

public void saveOrUpdate(List<T> objects)

Save or update all transient objects in the given list.

Specified by:

saveOrUpdate in interface GenericDao<T extends BaseEntity<PK>,PK extends Serializable>

Parameters:

objects - the transient objects

update

public void update(List<T> objects)

Update all transient objects in the given list.

Specified by:

update in interface GenericDao<T extends BaseEntity<PK>,PK extends Serializable>

Parameters:

objects - the transient objects to update.

merge

public List<T> merge(List<T> objects)

Description copied from interface: GenericDao

Merges all new objects in the given list.

Specified by:

merge in interface GenericDao<T extends BaseEntity<PK>,PK extends Serializable>

Parameters:

objects - the list to save

Returns:

the list with the ids of the merged objects