com.neurosys.amorphous.dao.jpa

Class GenericObjectDaoImpl

java.lang.Object

com.neurosys.domain.GenericAware<T>

com.neurosys.dao.jpa.GenericDaoImpl<T>

com.neurosys.dao.jpa.AbstractQueryableDaoImpl<GenericObject>

com.neurosys.amorphous.dao.jpa.GenericObjectDaoImpl

All Implemented Interfaces:

GenericObjectDao, FreeQuery, GenericDao<GenericObject>, QueryableDao<GenericObject>

@Component(value="genericDaoImpl")
 @Transactional
public class GenericObjectDaoImpl
extends AbstractQueryableDaoImpl<GenericObject>
implements GenericObjectDao

AbstractQueryableDaoImpl for GenericObject

Author:

Arjun Dhar

Field Summary

Fields inherited from class com.neurosys.dao.jpa.GenericDaoImpl

em

Fields inherited from class com.neurosys.domain.GenericAware

ct, t

Constructor Summary

Constructors

Constructor and Description
GenericObjectDaoImpl()

Method Summary

Modifier and Type	Method and Description
void	delete(GenericObject persistentObject)
Long	delete(Long id) A special Delete operation on the entity that will remove the entity and related entities based on id.
GenericObject	load(Object id)
GenericObject	load(Object id, Class entityClass) In some situations the DAO represents an Interface or perhaps a parent of the actual Entity./ The exact type of the entity would have to be Supplied.
List	query(String ql, String dialect, Object... params) Execute a raw Query in the native implementation language.
Page	query(String ql, String dialect, PageInfo pageInfo, Object... params) Execute a raw Query in the native implementation language.
GenericObject	save(GenericObject transientObject)

Methods inherited from class com.neurosys.dao.jpa.AbstractQueryableDaoImpl

conditionConstruct, count, ensureRowIsEntity, ensureRowIsEntity, getEntityInstance, getQueryObject, query, query, queryPage, queryPage

Methods inherited from class com.neurosys.dao.jpa.GenericDaoImpl

getEntityManager, getNativeEntityName, paginate, setEntityManager, update

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.neurosys.dao.jpa.QueryableDao

count, getEntityInstance, query, query, queryPage, queryPage

Methods inherited from interface com.neurosys.dao.FreeQuery

update

Constructor Detail

GenericObjectDaoImpl

public GenericObjectDaoImpl()

Method Detail

delete

@Transactional(readOnly=false)
public void delete(GenericObject persistentObject)

Specified by:

delete in interface GenericDao<GenericObject>

Overrides:

delete in class GenericDaoImpl<GenericObject>

load

@Transactional(readOnly=true)
public GenericObject load(Object id,
                                                        Class entityClass)

Description copied from interface: GenericDao

In some situations the DAO represents an Interface or perhaps a parent of the actual Entity./ The exact type of the entity would have to be Supplied.

Specified by:

load in interface GenericDao<GenericObject>

Overrides:

load in class GenericDaoImpl<GenericObject>

Parameters:

id - as Id for Entity

entityClass - as Class of entity

Returns:

load

@Transactional(readOnly=true)
public GenericObject load(Object id)

Specified by:

load in interface GenericDao<GenericObject>

Overrides:

load in class GenericDaoImpl<GenericObject>

save

@Transactional(readOnly=false)
public GenericObject save(GenericObject transientObject)

Specified by:

save in interface GenericDao<GenericObject>

Overrides:

save in class GenericDaoImpl<GenericObject>

delete

@Transactional(readOnly=false)
public Long delete(Long id)

Description copied from interface: GenericDao

A special Delete operation on the entity that will remove the entity and related entities based on id. If the number of records deleted can be determined, that is returned else -1

Specified by:

delete in interface GenericDao<GenericObject>

Overrides:

delete in class GenericDaoImpl<GenericObject>

Returns:

Long

query

@Transactional(readOnly=true)
public List query(String ql,
                                                String dialect,
                                                Object... params)
                                         throws Exception

Description copied from class: GenericDaoImpl

Execute a raw Query in the native implementation language.
WARNING : Be careful these methods are not called by any service API as it can create a level of direct dependence on the provider/schema.
Dependent on what the implementation layers

Specified by:

query in interface FreeQuery

Overrides:

query in class GenericDaoImpl<GenericObject>

Parameters:

ql - as String in native Schema language

dialect - as String. NULL or empty or "NATIVE" implies NATIVE, "JPA" implies JPA will be used. Additional dialects can be supported but they will be implementation dependent.

params - as Query parameters to the string.
Impl specific:When using params the Query string can refer to them like ?1, ?2 etc

Returns:

List

Throws:

Exception

query

@Transactional(readOnly=true)
public Page query(String ql,
                                                String dialect,
                                                PageInfo pageInfo,
                                                Object... params)
                                         throws Exception

Description copied from class: GenericDaoImpl

Execute a raw Query in the native implementation language.
WARNING : Be careful these methods are not called by any service API as it can create a level of direct dependence on the provider/schema.
Dependent on what the implementation layers

Specified by:

query in interface FreeQuery

Overrides:

query in class GenericDaoImpl<GenericObject>

Parameters:

ql - as String in native Schema language

dialect - as String. NULL or empty or "NATIVE" implies NATIVE, "JPA" implies JPA will be used. Additional dialects can be supported but they will be implementation dependent.

pageInfo - as PageInfo for pagination of result

params - as Query parameters to the string
Impl specific:When using params the Query string can refer to them like ?1, ?2 etc

Returns:

Page

Throws:

Exception