org.springframework.data.jpa.repository.query

Class AbstractJpaQuery

java.lang.Object

org.springframework.data.jpa.repository.query.AbstractJpaQuery

All Implemented Interfaces:

RepositoryQuery

Direct Known Subclasses:

PartTreeJpaQuery

public abstract class AbstractJpaQuery
extends Object
implements RepositoryQuery

Abstract base class to implement RepositoryQuerys.

Author:

Oliver Gierke, Thomas Darimont

Constructor Summary

Constructors

Constructor and Description
AbstractJpaQuery(JpaQueryMethod method, javax.persistence.EntityManager em) Creates a new AbstractJpaQuery from the given JpaQueryMethod.

Method Summary

Modifier and Type	Method and Description
protected <T extends javax.persistence.Query> T	applyHints(T query, JpaQueryMethod method) Applies the declared query hints to the given query.
protected <T extends javax.persistence.Query> void	applyQueryHint(T query, javax.persistence.QueryHint hint) Protected to be able to customize in sub-classes.
protected ParameterBinder	createBinder(Object[] values)
protected javax.persistence.Query	createCountQuery(Object[] values)
protected javax.persistence.Query	createQuery(Object[] values)
protected abstract javax.persistence.Query	doCreateCountQuery(Object[] values) Creates a TypedQuery for counting using the given values.
protected abstract javax.persistence.Query	doCreateQuery(Object[] values) Creates a Query instance for the given values.
Object	execute(Object[] parameters)
protected javax.persistence.EntityManager	getEntityManager() Returns the EntityManager.
protected JpaQueryExecution	getExecution()
JpaQueryMethod	getQueryMethod()

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractJpaQuery

public AbstractJpaQuery(JpaQueryMethod method,
                        javax.persistence.EntityManager em)

Creates a new AbstractJpaQuery from the given JpaQueryMethod.

Parameters:

method -

resultFactory -

em -

Method Detail

getQueryMethod

public JpaQueryMethod getQueryMethod()

Specified by:

getQueryMethod in interface RepositoryQuery

getEntityManager

protected javax.persistence.EntityManager getEntityManager()

Returns the EntityManager.

Returns:

will never be null.

execute

public Object execute(Object[] parameters)

Specified by:

execute in interface RepositoryQuery

getExecution

protected JpaQueryExecution getExecution()

applyHints

protected <T extends javax.persistence.Query> T applyHints(T query,
                                                           JpaQueryMethod method)

Applies the declared query hints to the given query.

Parameters:

query -

Returns:

applyQueryHint

protected <T extends javax.persistence.Query> void applyQueryHint(T query,
                                                                  javax.persistence.QueryHint hint)

Protected to be able to customize in sub-classes.

Parameters:

query - must not be null.

hint - must not be null.

createBinder

protected ParameterBinder createBinder(Object[] values)

createQuery

protected javax.persistence.Query createQuery(Object[] values)

createCountQuery

protected javax.persistence.Query createCountQuery(Object[] values)

doCreateQuery

protected abstract javax.persistence.Query doCreateQuery(Object[] values)

Creates a Query instance for the given values.

Parameters:

values - must not be null.

Returns:

doCreateCountQuery

protected abstract javax.persistence.Query doCreateCountQuery(Object[] values)

Creates a TypedQuery for counting using the given values.

Parameters:

values - must not be null.

Returns: