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Polishing

This commit is contained in:
Juergen Hoeller 2018-05-07 14:17:15 +02:00
parent 321d7b0b06
commit 3917737df2
1 changed files with 14 additions and 17 deletions
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31
spring-aop/src/main/java/org/springframework/aop/aspectj/MethodInvocationProceedingJoinPoint.java
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@ -1,5 +1,5 @@
/*
* Copyright 2002-2017 the original author or authors.
* Copyright 2002-2018 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -33,17 +33,15 @@ import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
/**
* Implementation of AspectJ ProceedingJoinPoint interface
* wrapping an AOP Alliance MethodInvocation.
* An implementation of the AspectJ {@link ProceedingJoinPoint} interface
* wrapping an AOP Alliance {@link org.aopalliance.intercept.MethodInvocation}.
*
* <p><b>Note</b>: the {@code getThis()} method returns the current Spring AOP proxy.
* <p><b>Note</b>: The {@code getThis()} method returns the current Spring AOP proxy.
* The {@code getTarget()} method returns the current Spring AOP target (which may be
* {@code null} if there is no target), and is a plain POJO without any advice.
* <b>If you want to call the object and have the advice take effect, use
* {@code getThis()}.</b> A common example is casting the object to an
* introduced interface in the implementation of an introduction.
*
* <p>Of course there is no such distinction between target and proxy in AspectJ.
* {@code null} if there is no target instance) as a plain POJO without any advice.
* <b>If you want to call the object and have the advice take effect, use {@code getThis()}.</b>
* A common example is casting the object to an introduced interface in the implementation of
* an introduction. There is no such distinction between target and proxy in AspectJ itself.
*
* @author Rod Johnson
* @author Juergen Hoeller
@ -58,7 +56,7 @@ public class MethodInvocationProceedingJoinPoint implements ProceedingJoinPoint,
private final ProxyMethodInvocation methodInvocation;
@Nullable
private Object[] defensiveCopyOfArgs;
private Object[] args;
/** Lazily initialized signature object */
@Nullable
@ -79,6 +77,7 @@ public class MethodInvocationProceedingJoinPoint implements ProceedingJoinPoint,
this.methodInvocation = methodInvocation;
}
@Override
public void set$AroundClosure(AroundClosure aroundClosure) {
throw new UnsupportedOperationException();
@ -120,12 +119,10 @@ public class MethodInvocationProceedingJoinPoint implements ProceedingJoinPoint,
@Override
public Object[] getArgs() {
if (this.defensiveCopyOfArgs == null) {
Object[] argsSource = this.methodInvocation.getArguments();
this.defensiveCopyOfArgs = new Object[argsSource.length];
System.arraycopy(argsSource, 0, this.defensiveCopyOfArgs, 0, argsSource.length);
if (this.args == null) {
this.args = this.methodInvocation.getArguments().clone();
}
return this.defensiveCopyOfArgs;
return this.args;
}
@Override
@ -133,7 +130,7 @@ public class MethodInvocationProceedingJoinPoint implements ProceedingJoinPoint,
if (this.signature == null) {
this.signature = new MethodSignatureImpl();
}
return signature;
return this.signature;
}
@Override