org.springframework.data.repository.query

Class ExtensionAwareEvaluationContextProvider

java.lang.Object

org.springframework.data.repository.query.ExtensionAwareEvaluationContextProvider

All Implemented Interfaces:

org.springframework.beans.factory.Aware, org.springframework.context.ApplicationContextAware, EvaluationContextProvider

public class ExtensionAwareEvaluationContextProvider
extends Object
implements EvaluationContextProvider, org.springframework.context.ApplicationContextAware

An EvaluationContextProvider that assembles an EvaluationContext from a list of EvaluationContextExtension instances.

Since:

1.9

Author:

Thomas Darimont, Oliver Gierke, Christoph Strobl, Jens Schauder

Constructor Summary

Constructors

Constructor and Description
ExtensionAwareEvaluationContextProvider() Creates a new ExtensionAwareEvaluationContextProvider.
ExtensionAwareEvaluationContextProvider(List<? extends EvaluationContextExtension> extensions) Creates a new ExtensionAwareEvaluationContextProvider for the given EvaluationContextExtensions.

Method Summary

Modifier and Type	Method and Description
<T extends Parameters<?,?>> org.springframework.expression.spel.support.StandardEvaluationContext	getEvaluationContext(T parameters, Object[] parameterValues) Returns an EvaluationContext built using the given Parameters and parameter values.
void	setApplicationContext(org.springframework.context.ApplicationContext applicationContext)

Methods inherited from class java.lang.Object

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

Constructor Detail

ExtensionAwareEvaluationContextProvider

public ExtensionAwareEvaluationContextProvider()

Creates a new ExtensionAwareEvaluationContextProvider. Extensions are being looked up lazily from the BeanFactory configured.

ExtensionAwareEvaluationContextProvider

public ExtensionAwareEvaluationContextProvider(List<? extends EvaluationContextExtension> extensions)

Creates a new ExtensionAwareEvaluationContextProvider for the given EvaluationContextExtensions.

Parameters:

extensions - must not be null.

Method Detail

setApplicationContext

public void setApplicationContext(org.springframework.context.ApplicationContext applicationContext)
                           throws org.springframework.beans.BeansException

Specified by:

setApplicationContext in interface org.springframework.context.ApplicationContextAware

Throws:

org.springframework.beans.BeansException

getEvaluationContext

public <T extends Parameters<?,?>> org.springframework.expression.spel.support.StandardEvaluationContext getEvaluationContext(T parameters,
                                                                                                                              Object[] parameterValues)

Description copied from interface: EvaluationContextProvider

Returns an EvaluationContext built using the given Parameters and parameter values.

Specified by:

getEvaluationContext in interface EvaluationContextProvider

Parameters:

parameters - the Parameters instance obtained from the query method the context is built for.

parameterValues - the values for the parameters.

Returns: