org.springframework.data.jpa.repository.query

Class JpaQueryExecution

java.lang.Object

org.springframework.data.jpa.repository.query.JpaQueryExecution

public abstract class JpaQueryExecution
extends Object

Set of classes to contain query execution strategies. Depending (mostly) on the return type of a QueryMethod a AbstractStringBasedJpaQuery can be executed in various flavors.

Author:

Oliver Gierke, Thomas Darimont

Constructor Summary

Constructors

Constructor and Description
JpaQueryExecution()

Method Summary

Modifier and Type	Method and Description
protected abstract Object	doExecute(AbstractJpaQuery query, Object[] values) Method to implement AbstractStringBasedJpaQuery executions by single enum values.
Object	execute(AbstractJpaQuery query, Object[] values) Executes the given AbstractStringBasedJpaQuery with the given ParameterBinder.
static void	potentiallyRemoveOptionalConverter(ConfigurableConversionService conversionService) Removes the converter being able to convert any object into an Optional from the given ConversionService in case we're running on Java 8.

Methods inherited from class java.lang.Object

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

Constructor Detail

JpaQueryExecution

public JpaQueryExecution()

Method Detail

execute

public Object execute(AbstractJpaQuery query,
                      Object[] values)

Executes the given AbstractStringBasedJpaQuery with the given ParameterBinder.

Parameters:

query - must not be null.

binder - must not be null.

Returns:

doExecute

protected abstract Object doExecute(AbstractJpaQuery query,
                                    Object[] values)

Method to implement AbstractStringBasedJpaQuery executions by single enum values.

Parameters:

query -

binder -

Returns:

potentiallyRemoveOptionalConverter

public static void potentiallyRemoveOptionalConverter(ConfigurableConversionService conversionService)

Removes the converter being able to convert any object into an Optional from the given ConversionService in case we're running on Java 8.

Parameters:

conversionService - must not be null.