org.springframework.data.spel

Class ExtensionAwareEvaluationContextProvider

java.lang.Object

org.springframework.data.spel.ExtensionAwareEvaluationContextProvider

All Implemented Interfaces:

EvaluationContextProvider

public class ExtensionAwareEvaluationContextProvider
extends Object
implements EvaluationContextProvider

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

Since:

2.1

Author:

Thomas Darimont, Oliver Gierke, Christoph Strobl, Jens Schauder, Mark Paluch

Field Summary

Fields inherited from interface org.springframework.data.spel.EvaluationContextProvider

DEFAULT

Constructor Summary

Constructors

Constructor and Description
ExtensionAwareEvaluationContextProvider(Collection<? extends ExtensionIdAware> extensions) Creates a new ExtensionAwareEvaluationContextProvider for the given EvaluationContextExtensions.
ExtensionAwareEvaluationContextProvider(Lazy<? extends Collection<? extends ExtensionIdAware>> extensions)
ExtensionAwareEvaluationContextProvider(ListableBeanFactory beanFactory) Creates a new ExtensionAwareEvaluationContextProvider with extensions looked up lazily from the given BeanFactory.

Method Summary

Modifier and Type	Method and Description
StandardEvaluationContext	getEvaluationContext(Object rootObject) Return a EvaluationContext built using the given parameter values.
StandardEvaluationContext	getEvaluationContext(Object rootObject, ExpressionDependencies dependencies) Return a tailored EvaluationContext built using the given parameter values and considering expression dependencies.

Methods inherited from class java.lang.Object

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

Constructor Detail

ExtensionAwareEvaluationContextProvider

public ExtensionAwareEvaluationContextProvider(ListableBeanFactory beanFactory)

Creates a new ExtensionAwareEvaluationContextProvider with extensions looked up lazily from the given BeanFactory.

Parameters:

beanFactory - the ListableBeanFactory to lookup extensions from.

ExtensionAwareEvaluationContextProvider

public ExtensionAwareEvaluationContextProvider(Collection<? extends ExtensionIdAware> extensions)

Creates a new ExtensionAwareEvaluationContextProvider for the given EvaluationContextExtensions.

Parameters:

extensions - must not be null.

ExtensionAwareEvaluationContextProvider

public ExtensionAwareEvaluationContextProvider(Lazy<? extends Collection<? extends ExtensionIdAware>> extensions)

Method Detail

getEvaluationContext

public StandardEvaluationContext getEvaluationContext(Object rootObject)

Description copied from interface: EvaluationContextProvider

Return a EvaluationContext built using the given parameter values.

Specified by:

getEvaluationContext in interface EvaluationContextProvider

Parameters:

rootObject - the root object to set in the EvaluationContext.

Returns:

getEvaluationContext

public StandardEvaluationContext getEvaluationContext(Object rootObject,
                                                      ExpressionDependencies dependencies)

Description copied from interface: EvaluationContextProvider

Return a tailored EvaluationContext built using the given parameter values and considering expression dependencies. The returned EvaluationContext may contain a reduced visibility of methods and properties/fields according to the required expression dependencies.

Specified by:

getEvaluationContext in interface EvaluationContextProvider

Parameters:

rootObject - the root object to set in the EvaluationContext.

dependencies - the requested expression dependencies to be available.

Returns: