org.springframework.context.expression

类 MethodBasedEvaluationContext

java.lang.Object

org.springframework.expression.spel.support.StandardEvaluationContext

org.springframework.context.expression.MethodBasedEvaluationContext

所有已实现的接口:

org.springframework.expression.EvaluationContext

public class MethodBasedEvaluationContext
extends org.springframework.expression.spel.support.StandardEvaluationContext

A method-based EvaluationContext that provides explicit support for method-based invocations.

Expose the actual method arguments using the following aliases:

1. pX where X is the index of the argument (p0 for the first argument)
2. aX where X is the index of the argument (a1 for the second argument)
3. the name of the parameter as discovered by a configurable ParameterNameDiscoverer

从以下版本开始:

4.2

作者:

Stephane Nicoll, Juergen Hoeller

构造器概要

构造器

构造器和说明
MethodBasedEvaluationContext(Object rootObject, Method method, Object[] arguments, org.springframework.core.ParameterNameDiscoverer parameterNameDiscoverer)

方法概要

限定符和类型	方法和说明
protected void	lazyLoadArguments() Load the param information only when needed.
Object	lookupVariable(String name)

从类继承的方法 org.springframework.expression.spel.support.StandardEvaluationContext

addConstructorResolver, addMethodResolver, addPropertyAccessor, getBeanResolver, getConstructorResolvers, getMethodResolvers, getOperatorOverloader, getPropertyAccessors, getRootObject, getTypeComparator, getTypeConverter, getTypeLocator, registerFunction, registerMethodFilter, removeConstructorResolver, removeMethodResolver, removePropertyAccessor, setBeanResolver, setConstructorResolvers, setMethodResolvers, setOperatorOverloader, setPropertyAccessors, setRootObject, setRootObject, setTypeComparator, setTypeConverter, setTypeLocator, setVariable, setVariables

从类继承的方法 java.lang.Object

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

构造器详细资料

MethodBasedEvaluationContext

public MethodBasedEvaluationContext(Object rootObject,
                                    Method method,
                                    Object[] arguments,
                                    org.springframework.core.ParameterNameDiscoverer parameterNameDiscoverer)

方法详细资料

lookupVariable

@Nullable
public Object lookupVariable(String name)

指定者:

lookupVariable 在接口中 org.springframework.expression.EvaluationContext

覆盖:

lookupVariable 在类中 org.springframework.expression.spel.support.StandardEvaluationContext

lazyLoadArguments

protected void lazyLoadArguments()

Load the param information only when needed.