com.elasticpath.persistence.impl
Class HibernatePersistenceEngineImpl

java.lang.Object
  org.springframework.dao.support.DaoSupport
      org.springframework.orm.hibernate3.support.HibernateDaoSupport
          com.elasticpath.persistence.impl.HibernatePersistenceEngineImpl

All Implemented Interfaces:

PersistenceEngine, org.springframework.beans.factory.InitializingBean

public class HibernatePersistenceEngineImpl
extends org.springframework.orm.hibernate3.support.HibernateDaoSupport
implements PersistenceEngine

A wrapper of Hibernate to provide implementation of PersistenceEngine.

Constructor Summary

HibernatePersistenceEngineImpl()

Method Summary

int	bulkUpdate(java.lang.String query) Update/delete all objects according to the given query.
int	bulkUpdate(java.lang.String query, java.lang.Object[] parameters) Update/delete all objects according to the given query.
void	clear() Clear the cache.
void	delete(Persistence object) Delete the given persistent instance.
int	executeSessionUpdate(java.lang.String sql) Excute the bulk update with the specified query.
java.util.List	find(java.lang.Class objClass, java.util.List propertyCriteria) Retrieve a list of persistent instances of the specified class with the specified property criteria.
java.util.List	find(java.lang.Class objClass, PropertyCriterion propertyCriterion) Retrieve a list of persistent instances of the specified class with the specified property criterion.
java.util.List	find(java.lang.Class objClass, RelationCriterion relationCriterion) Retrieve a list of persistent instances of the specified class with the specified relation criterion.
void	flush() Flush the cache.
Persistence	get(java.lang.Class persistenceClass, long uidPk) Get a persistent instance with the given id.
PersistenceSession	getPersistenceSession() Returns hibernate session.
void	initialize(java.lang.Object object) Initialize the given object.
Persistence	load(java.lang.Class persistenceClass, long uidPk) Load a persistent instance with the given id.
void	merge(Persistence object) Merge the given persistent instance.
java.util.List	retrieve(java.util.List queries) Retrieve a list of persistent instances with the given list of queries.
java.util.List	retrieve(java.util.List queries, java.lang.Object[] parameters) Retrieve a list of persistent instances with the given list of queries.
java.util.List	retrieve(java.lang.String query) Retrieve a list of persistent instances with the specified query.
java.util.List	retrieve(java.lang.String queryStr, int firstResult, int maxRestuls) Retrieve a list of persistent instances with the specified query and bounds, namely, the maximum number of rows to retrieve and / or the first row to retrieve.
java.util.List	retrieve(java.lang.String query, java.lang.Object[] parameters) Retrieve a list of persistent instances with the specified query.
java.util.List	retrieve(java.lang.String query, java.lang.Object[] parameters, boolean cacheQuery) Retrieve a list of persistent instances with the specified query.
java.util.List	retrieve(java.lang.String queryStr, java.lang.Object[] parameters, int firstResult, int maxRestuls) Retrieve a list of persistent instances with the specified query and bounds, namely, the maximum number of rows to retrieve and / or the first row to retrieve.
void	save(Persistence object) Persist the given instance.
void	saveOrMerge(Persistence object) Save the persistence instance if it's new or merge the persistent instance if it exists.
void	saveOrUpdate(Persistence object) Save the persistence instance if it's new or update the persistent instance if it exists.
void	update(Persistence object) Update the given persistent instance.

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

getHibernateTemplate, getSessionFactory, setHibernateTemplate, setSessionFactory

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

afterPropertiesSet

Methods inherited from class java.lang.Object

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

Constructor Detail

HibernatePersistenceEngineImpl

public HibernatePersistenceEngineImpl()

Method Detail

bulkUpdate

public int bulkUpdate(java.lang.String query)
               throws EpPersistenceException

Update/delete all objects according to the given query.

Specified by:

bulkUpdate in interface PersistenceEngine

Parameters:

query - the HQL query

Returns:

the number of instances updated/deleted

Throws:

EpPersistenceException - - in case of persistence errors

bulkUpdate

public int bulkUpdate(java.lang.String query,
                      java.lang.Object[] parameters)
               throws EpPersistenceException

Update/delete all objects according to the given query.

Specified by:

bulkUpdate in interface PersistenceEngine

Parameters:

query - the HQL query

parameters - the prameters to be used with the criteria

Returns:

the number of instances updated/deleted

Throws:

EpPersistenceException - - in case of persistence errors

clear

public void clear()

Clear the cache.

Specified by:

clear in interface PersistenceEngine

delete

public void delete(Persistence object)
            throws EpPersistenceException

Delete the given persistent instance.

Specified by:

delete in interface PersistenceEngine

Parameters:

object - the instance to delete

Throws:

EpPersistenceException - - in case of persistence errors

executeSessionUpdate

public int executeSessionUpdate(java.lang.String sql)
                         throws EpPersistenceException

Excute the bulk update with the specified query.

Parameters:

sql - the HQL sql statement

Returns:

the number of entities effective by the operation.

Throws:

EpPersistenceException - - in case of persistence errors

find

public java.util.List find(java.lang.Class objClass,
                           java.util.List propertyCriteria)
                    throws EpPersistenceException

Retrieve a list of persistent instances of the specified class with the specified property criteria.

Specified by:

find in interface PersistenceEngine

Parameters:

objClass - Class of the object

propertyCriteria - property criteria for retrieving

Returns:

list of persistence instatnce

Throws:

EpPersistenceException - - in case of persistence errors

find

public java.util.List find(java.lang.Class objClass,
                           PropertyCriterion propertyCriterion)
                    throws EpPersistenceException

Retrieve a list of persistent instances of the specified class with the specified property criterion.

Specified by:

find in interface PersistenceEngine

Parameters:

objClass - Class of the object

propertyCriterion - property criterion for retrieving

Returns:

list of persistence instatnce

Throws:

EpPersistenceException - - in case of persistence errors

find

public java.util.List find(java.lang.Class objClass,
                           RelationCriterion relationCriterion)
                    throws EpPersistenceException

Retrieve a list of persistent instances of the specified class with the specified relation criterion.

Specified by:

find in interface PersistenceEngine

Parameters:

objClass - Class of the object

relationCriterion - relation criterion for retrieving

Returns:

list of persistence instatnce

Throws:

EpPersistenceException - - in case of persistence errors

flush

public void flush()

Flush the cache.

Specified by:

flush in interface PersistenceEngine

get

public Persistence get(java.lang.Class persistenceClass,
                       long uidPk)
                throws EpPersistenceException

Get a persistent instance with the given id. Return null if no matching record exists.

Specified by:

get in interface PersistenceEngine

Parameters:

persistenceClass - the persistent class of the given id.

uidPk - the persistent instance id.

Returns:

the persistent instance

Throws:

EpPersistenceException - - in case of persistence errors

getPersistenceSession

public PersistenceSession getPersistenceSession()

Returns hibernate session.

Specified by:

getPersistenceSession in interface PersistenceEngine

Returns:

hibernate session

initialize

public void initialize(java.lang.Object object)

Initialize the given object.

Specified by:

initialize in interface PersistenceEngine

Parameters:

object - the object to initialize.

load

public Persistence load(java.lang.Class persistenceClass,
                        long uidPk)
                 throws EpPersistenceException

Load a persistent instance with the given id. Throw an unrecoverable exception if there is no matching database row.

Specified by:

load in interface PersistenceEngine

Parameters:

persistenceClass - the persistent class of the given id.

uidPk - The persistent instance id.

Returns:

the persistent instance

Throws:

EpPersistenceException - - in case of persistence errors

merge

public void merge(Persistence object)
           throws EpPersistenceException

Merge the given persistent instance.

Specified by:

merge in interface PersistenceEngine

Parameters:

object - the instance to merge

Throws:

EpPersistenceException - - in case of persistence errors

retrieve

public java.util.List retrieve(java.util.List queries)
                        throws EpPersistenceException

Retrieve a list of persistent instances with the given list of queries.

Note: all queries must return the same type of data. Their results will be merged into the list returned by this method.

Specified by:

retrieve in interface PersistenceEngine

Parameters:

queries - the list of queries

Returns:

a list of persistent instances.

Throws:

EpPersistenceException - - in case of persistence errors

retrieve

public java.util.List retrieve(java.util.List queries,
                               java.lang.Object[] parameters)
                        throws EpPersistenceException

Retrieve a list of persistent instances with the given list of queries.

Note: all queries must return the same type of data. Their results will be merged into the list returned by this method.

Specified by:

retrieve in interface PersistenceEngine

Parameters:

queries - the list of queries

parameters - the prameters to be used with the given query

Returns:

a list of persistent instances.

Throws:

EpPersistenceException - - in case of persistence errors

retrieve

public java.util.List retrieve(java.lang.String query)
                        throws EpPersistenceException

Retrieve a list of persistent instances with the specified query.

Specified by:

retrieve in interface PersistenceEngine

Parameters:

query - the HQL query

Returns:

a list of persistent instances.

Throws:

EpPersistenceException - - in case of persistence errors

retrieve

public java.util.List retrieve(java.lang.String queryStr,
                               int firstResult,
                               int maxRestuls)
                        throws EpPersistenceException

Retrieve a list of persistent instances with the specified query and bounds, namely, the maximum number of rows to retrieve and / or the first row to retrieve. This help to support pagination.

Specified by:

retrieve in interface PersistenceEngine

Parameters:

queryStr - the HQL query string to be executed.

firstResult - the first row to retrieve.

maxRestuls - the maximum number of rows to retrieve.

Returns:

a list of persistent instances.

Throws:

EpPersistenceException - - in case of persistence errors

retrieve

public java.util.List retrieve(java.lang.String query,
                               java.lang.Object[] parameters)
                        throws EpPersistenceException

Retrieve a list of persistent instances with the specified query.

Specified by:

retrieve in interface PersistenceEngine

Parameters:

query - the HQL query

parameters - the prameters to be used with the criteria

Returns:

a list of persistent instances.

Throws:

EpPersistenceException - - in case of persistence errors

retrieve

public java.util.List retrieve(java.lang.String query,
                               java.lang.Object[] parameters,
                               boolean cacheQuery)
                        throws EpPersistenceException

Retrieve a list of persistent instances with the specified query.

Specified by:

retrieve in interface PersistenceEngine

Parameters:

query - the HQL query

parameters - the prameters to be used with the criteria

cacheQuery - set it to true to cache the query result

Returns:

a list of persistent instances.

Throws:

EpPersistenceException - - in case of persistence errors

retrieve

public java.util.List retrieve(java.lang.String queryStr,
                               java.lang.Object[] parameters,
                               int firstResult,
                               int maxRestuls)
                        throws EpPersistenceException

Retrieve a list of persistent instances with the specified query and bounds, namely, the maximum number of rows to retrieve and / or the first row to retrieve. This help to support pagination.

Specified by:

retrieve in interface PersistenceEngine

Parameters:

queryStr - the HQL query string to be executed.

firstResult - the first row to retrieve.

maxRestuls - the maximum number of rows to retrieve.

parameters - the prameters to be used with the criteria

Returns:

a list of persistent instances.

Throws:

EpPersistenceException - - in case of persistence errors

save

public void save(Persistence object)
          throws EpPersistenceException

Persist the given instance.

Specified by:

save in interface PersistenceEngine

Parameters:

object - the instance to save.

Throws:

EpPersistenceException - - in case of persistence errors

saveOrMerge

public void saveOrMerge(Persistence object)
                 throws EpPersistenceException

Save the persistence instance if it's new or merge the persistent instance if it exists.

Specified by:

saveOrMerge in interface PersistenceEngine

Parameters:

object - the instance to save or merge

Throws:

EpPersistenceException - - in case of persistence errors

saveOrUpdate

public void saveOrUpdate(Persistence object)
                  throws EpPersistenceException

Save the persistence instance if it's new or update the persistent instance if it exists.

Specified by:

saveOrUpdate in interface PersistenceEngine

Parameters:

object - the instance to save or update

Throws:

EpPersistenceException - - in case of persistence errors

update

public void update(Persistence object)
            throws EpPersistenceException

Update the given persistent instance.

Specified by:

update in interface PersistenceEngine

Parameters:

object - the instance to update

Throws:

EpPersistenceException - - in case of persistence errors