cn.crane4j.core.support.expression

类 MethodBasedExpressionEvaluator

java.lang.Object

cn.crane4j.core.support.expression.MethodBasedExpressionEvaluator

public class MethodBasedExpressionEvaluator
extends Object

A delegate class for executing expressions in the method aspect, generally supporting the awareness of method parameters and return values in expressions.

作者:

huangchengxing

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	MethodBasedExpressionEvaluator.MethodExecution Expression aspect context, which is used to build ExpressionContext for expression execution.

字段概要

字段

限定符和类型	字段和说明
protected Function<Method,ExpressionContext>	contextFactory
protected ExpressionEvaluator	expressionEvaluator
protected ParameterNameFinder	parameterNameDiscoverer
static String	RESULT

构造器概要

构造器

构造器和说明
MethodBasedExpressionEvaluator()

方法概要

限定符和类型	方法和说明
<T> T	execute(String expression, Class<T> resultType, MethodBasedExpressionEvaluator.MethodExecution execution) Execute the expression in the specified above and return the execution result.
<T> T	execute(String expression, Class<T> resultType, Method method, Object[] args, Object result) Execute the expression in the specified above and return the execution result.
protected void	registerParams(MethodBasedExpressionEvaluator.MethodExecution methodExecution, ExpressionContext context) Register the execution parameters of the method in the context.
protected ExpressionContext	resolveContext(MethodBasedExpressionEvaluator.MethodExecution methodExecution) Create a method aspect expression context.
protected Map<String,Object>	resolvedParams(String[] paramNames, Object[] args) Resolve method input parameter.

从类继承的方法 java.lang.Object

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

字段详细资料

RESULT

public static final String RESULT

另请参阅:

常量字段值

parameterNameDiscoverer

protected final ParameterNameFinder parameterNameDiscoverer

expressionEvaluator

protected final ExpressionEvaluator expressionEvaluator

contextFactory

protected final Function<Method,ExpressionContext> contextFactory

构造器详细资料

MethodBasedExpressionEvaluator

public MethodBasedExpressionEvaluator()

方法详细资料

execute

public <T> T execute(String expression,
                     Class<T> resultType,
                     MethodBasedExpressionEvaluator.MethodExecution execution)

Execute the expression in the specified above and return the execution result.

参数:

expression - expression

resultType - result type

execution - execution

返回:

execution result

execute

public <T> T execute(String expression,
                     Class<T> resultType,
                     Method method,
                     Object[] args,
                     Object result)

Execute the expression in the specified above and return the execution result.

参数:

expression - expression

resultType - result type

method - method

args - args

result - result

返回:

execution result

resolveContext

protected ExpressionContext resolveContext(MethodBasedExpressionEvaluator.MethodExecution methodExecution)

Create a method aspect expression context.

参数:

methodExecution - the function argument

返回:

the function result

registerParams

protected void registerParams(MethodBasedExpressionEvaluator.MethodExecution methodExecution,
                              ExpressionContext context)

Register the execution parameters of the method in the context.

参数:

methodExecution - method execution

context - context

resolvedParams

protected Map<String,Object> resolvedParams(String[] paramNames,
                                            Object[] args)

Resolve method input parameter.

参数:

paramNames - param names

args - args

返回:

A collection of parameter names and input parameters