Package org.springframework.data.spel

Interface EvaluationContextProvider

All Known Subinterfaces:

ReactiveEvaluationContextProvider

All Known Implementing Classes:

ExtensionAwareEvaluationContextProvider, ReactiveExtensionAwareEvaluationContextProvider, SpELContext

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface EvaluationContextProvider

Provides a way to access a centrally defined potentially shared StandardEvaluationContext.

Since:

2.1

Author:

Thomas Darimont, Oliver Gierke, Christoph Strobl, Mark Paluch

Field Summary

Fields

Modifier and Type	Field	Description
static final EvaluationContextProvider	DEFAULT	A simple default EvaluationContextProvider returning a StandardEvaluationContext with the given root object.

Method Summary

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

Field Details

DEFAULT

static final EvaluationContextProvider DEFAULT

A simple default EvaluationContextProvider returning a StandardEvaluationContext with the given root object.

Method Details

getEvaluationContext

EvaluationContext getEvaluationContext(@Nullable
 Object rootObject)

Return a EvaluationContext built using the given parameter values.

Parameters:

rootObject - the root object to set in the EvaluationContext.

Returns:

getEvaluationContext

default EvaluationContext getEvaluationContext(@Nullable
 Object rootObject,
 ExpressionDependencies dependencies)

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.

Parameters:

rootObject - the root object to set in the EvaluationContext.

dependencies - the requested expression dependencies to be available.

Returns:

Since:

2.4