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

Method Summary

Modifier and Type	Method	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 Details

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 Details

getEvaluationContext

public StandardEvaluationContext getEvaluationContext(@Nullable
 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(@Nullable
 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: