org.springframework.expression

接口 ConstructorResolver

所有已知实现类:

ReflectiveConstructorResolver

函数接口:

这是一个函数接口, 因此可用作 lambda 表达式或方法引用的赋值目标。

@FunctionalInterface
public interface ConstructorResolver

A constructor resolver attempts locate a constructor and returns a ConstructorExecutor that can be used to invoke that constructor. The ConstructorExecutor will be cached but if it 'goes stale' the resolvers will be called again.

从以下版本开始:

3.0

作者:

Andy Clement

方法概要

限定符和类型	方法和说明
ConstructorExecutor	resolve(EvaluationContext context, String typeName, List<org.springframework.core.convert.TypeDescriptor> argumentTypes) Within the supplied context determine a suitable constructor on the supplied type that can handle the specified arguments.

方法详细资料

resolve

@Nullable
ConstructorExecutor resolve(EvaluationContext context,
                                       String typeName,
                                       List<org.springframework.core.convert.TypeDescriptor> argumentTypes)
                                throws AccessException

Within the supplied context determine a suitable constructor on the supplied type that can handle the specified arguments. Return a ConstructorExecutor that can be used to invoke that constructor (or null if no constructor could be found).

参数:

context - the current evaluation context

typeName - the type upon which to look for the constructor

argumentTypes - the arguments that the constructor must be able to handle

返回:

a ConstructorExecutor that can invoke the constructor, or null if non found

抛出:

AccessException