com.neurosys.dao.jpa

Class QueryByObjectTransformer<T>

java.lang.Object

com.neurosys.dao.jpa.EntityManagerLookupAware

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

All Implemented Interfaces:

UpdatableContext<javax.persistence.EntityManager>, Serializable, org.apache.commons.collections.Transformer

public class QueryByObjectTransformer<T>
extends EntityManagerLookupAware
implements org.apache.commons.collections.Transformer, Serializable

Allows to query by a passed Object and convert it to Query or even take in a direct Query; fetch the List of entity from QueryableDao.

If Query.getPageInfo() is not null then QueryableDao.queryPage(Query) is used else QueryableDao.query(Query).

Author:

Arjun Dhar

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
QueryByObjectTransformer()
QueryByObjectTransformer(QueryableDao<T> dao)

Method Summary

Modifier and Type	Method and Description
QueryableDao<T>	getDao() AbstractQueryableDaoImpl type dao to support Query by object
Class	getType() If not null then, then will try to convert output row into Object type
void	setDao(QueryableDao<T> dao) AbstractQueryableDaoImpl type dao to support Query by object
void	setType(Class type) If not null then, then will try to convert output row into Object type
Object	transform(Object input)

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

getEntityManager, getEntityManagerProvider, setEntityManager, setEntityManagerProvider, updateContext

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryByObjectTransformer

public QueryByObjectTransformer()

QueryByObjectTransformer

public QueryByObjectTransformer(QueryableDao<T> dao)

Method Detail

transform

public Object transform(Object input)

Specified by:

transform in interface org.apache.commons.collections.Transformer

getDao

public QueryableDao<T> getDao()

AbstractQueryableDaoImpl type dao to support Query by object

setDao

public void setDao(QueryableDao<T> dao)

AbstractQueryableDaoImpl type dao to support Query by object

getType

public Class getType()

If not null then, then will try to convert output row into Object type

Can be null:

true

Default value:

null

setType

public void setType(Class type)

If not null then, then will try to convert output row into Object type

Can be null:

true

Default value:

null