com.mysema.query.jpa

Interface QueryHandler

All Known Implementing Classes:

DefaultQueryHandler, EclipseLinkHandler, HibernateHandler

public interface QueryHandler

QueryHandler provides injection of provider specific functionality into the query logic

Author:

tiwe

Method Summary

Methods

Modifier and Type	Method and Description
void	addEntity(javax.persistence.Query query, String alias, Class<?> type) Add the given entity to the given native query
void	addScalar(javax.persistence.Query query, String alias, Class<?> type) Add the given scalar to the given native query
<T> com.mysema.commons.lang.CloseableIterator<T>	iterate(javax.persistence.Query query, FactoryExpression<?> projection) Iterate the results with the optional projection
boolean	transform(javax.persistence.Query query, FactoryExpression<?> projection) Transform the results of the given query using the given factory expression

Method Detail

iterate

<T> com.mysema.commons.lang.CloseableIterator<T> iterate(javax.persistence.Query query,
                                                       @Nullable
                                                       FactoryExpression<?> projection)

Iterate the results with the optional projection

Parameters:

query -

Returns:

addScalar

void addScalar(javax.persistence.Query query,
             String alias,
             Class<?> type)

Add the given scalar to the given native query

Parameters:

query -

alias -

type -

addEntity

void addEntity(javax.persistence.Query query,
             String alias,
             Class<?> type)

Add the given entity to the given native query

Parameters:

query -

alias -

type -

transform

boolean transform(javax.persistence.Query query,
                FactoryExpression<?> projection)

Transform the results of the given query using the given factory expression

Parameters:

query -

projection -

Returns: