org.springframework.aop.support.ComposablePointcut Java Examples

/**
 * build pointcut instance
 */
private Pointcut buildPointcut() {
    // class
    Pointcut cpc = new AnnotationMatchingPointcut(DataSourceSwitch.class, true);
    // method
    Pointcut mpc = AnnotationMatchingPointcut.forMethodAnnotation(DataSourceSwitch.class);

    //union
    ComposablePointcut pointcut = new ComposablePointcut(cpc);
    return pointcut.union(mpc);
}
 

/**
 * Build a 'safe' pointcut that excludes the AspectJ advice method itself.
 * @return a composable pointcut that builds on the original AspectJ expression pointcut
 * @see #getPointcut()
 */
public final Pointcut buildSafePointcut() {
	Pointcut pc = getPointcut();
	MethodMatcher safeMethodMatcher = MethodMatchers.intersection(
			new AdviceExcludingMethodMatcher(this.aspectJAdviceMethod), pc.getMethodMatcher());
	return new ComposablePointcut(pc.getClassFilter(), safeMethodMatcher);
}
 

/**
 * Build a 'safe' pointcut that excludes the AspectJ advice method itself.
 * @return a composable pointcut that builds on the original AspectJ expression pointcut
 * @see #getPointcut()
 */
public final Pointcut buildSafePointcut() {
	Pointcut pc = getPointcut();
	MethodMatcher safeMethodMatcher = MethodMatchers.intersection(
			new AdviceExcludingMethodMatcher(this.aspectJAdviceMethod), pc.getMethodMatcher());
	return new ComposablePointcut(pc.getClassFilter(), safeMethodMatcher);
}
 

/**
 * build pointcut instance
 * use {@link DataSourceSwitch} as a {@link Pointcut}
 * scope：
 * 1. {@link DataSourceSwitch} on the class
 * 2. {@link DataSourceSwitch} on the method
 */
private Pointcut buildPointcut() {
    // class
    Pointcut cpc = new AnnotationMatchingPointcut(DataSourceSwitch.class, true);
    // method
    Pointcut mpc = AnnotationMatchingPointcut.forMethodAnnotation(DataSourceSwitch.class);

    //union
    ComposablePointcut pointcut = new ComposablePointcut(cpc);
    return pointcut.union(mpc);
}
 

/**
 * Build a 'safe' pointcut that excludes the AspectJ advice method itself.
 * @return a composable pointcut that builds on the original AspectJ expression pointcut
 * @see #getPointcut()
 */
public final Pointcut buildSafePointcut() {
	Pointcut pc = getPointcut();
	MethodMatcher safeMethodMatcher = MethodMatchers.intersection(
			new AdviceExcludingMethodMatcher(this.aspectJAdviceMethod), pc.getMethodMatcher());
	return new ComposablePointcut(pc.getClassFilter(), safeMethodMatcher);
}
 

/**
 * Build a 'safe' pointcut that excludes the AspectJ advice method itself.
 * @return a composable pointcut that builds on the original AspectJ expression pointcut
 * @see #getPointcut()
 */
public final Pointcut buildSafePointcut() {
	Pointcut pc = getPointcut();
	MethodMatcher safeMethodMatcher = MethodMatchers.intersection(
			new AdviceExcludingMethodMatcher(this.aspectJAdviceMethod), pc.getMethodMatcher());
	return new ComposablePointcut(pc.getClassFilter(), safeMethodMatcher);
}
 

/**
 * Calculate a pointcut for the given async annotation types, if any.
 * @param asyncAnnotationTypes the async annotation types to introspect
 * @return the applicable Pointcut object, or {@code null} if none
 */
protected Pointcut buildPointcut(Set<Class<? extends Annotation>> asyncAnnotationTypes) {
	ComposablePointcut result = null;
	for (Class<? extends Annotation> asyncAnnotationType : asyncAnnotationTypes) {
		Pointcut cpc = new AnnotationMatchingPointcut(asyncAnnotationType, true);
		Pointcut mpc = AnnotationMatchingPointcut.forMethodAnnotation(asyncAnnotationType);
		if (result == null) {
			result = new ComposablePointcut(cpc).union(mpc);
		}
		else {
			result.union(cpc).union(mpc);
		}
	}
	return result;
}
 

ShardingTransactionTypeAdvisor() {
    Pointcut classPointcut = new ComposablePointcut(AnnotationMatchingPointcut.forClassAnnotation(ShardingTransactionType.class));
    Pointcut methodPointcut = new ComposablePointcut(AnnotationMatchingPointcut.forMethodAnnotation(ShardingTransactionType.class));
    transactionTypePointcut = new ComposablePointcut(classPointcut).union(methodPointcut);
    transactionTypeInterceptor = new ShardingTransactionTypeInterceptor();
    setOrder(Ordered.LOWEST_PRECEDENCE - 1);
}
 

/**
 * Create a new AspectMetadata instance for the given aspect class.
 * @param aspectClass the aspect class
 * @param aspectName the name of the aspect
 */
public AspectMetadata(Class<?> aspectClass, String aspectName) {
	this.aspectName = aspectName;

	Class<?> currClass = aspectClass;
	AjType<?> ajType = null;
	while (currClass != Object.class) {
		AjType<?> ajTypeToCheck = AjTypeSystem.getAjType(currClass);
		if (ajTypeToCheck.isAspect()) {
			ajType = ajTypeToCheck;
			break;
		}
		currClass = currClass.getSuperclass();
	}
	if (ajType == null) {
		throw new IllegalArgumentException("Class '" + aspectClass.getName() + "' is not an @AspectJ aspect");
	}
	if (ajType.getDeclarePrecedence().length > 0) {
		throw new IllegalArgumentException("DeclarePrecendence not presently supported in Spring AOP");
	}
	this.aspectClass = ajType.getJavaClass();
	this.ajType = ajType;

	switch (this.ajType.getPerClause().getKind()) {
		case SINGLETON:
			this.perClausePointcut = Pointcut.TRUE;
			return;
		case PERTARGET:
		case PERTHIS:
			AspectJExpressionPointcut ajexp = new AspectJExpressionPointcut();
			ajexp.setLocation(aspectClass.getName());
			ajexp.setExpression(findPerClause(aspectClass));
			ajexp.setPointcutDeclarationScope(aspectClass);
			this.perClausePointcut = ajexp;
			return;
		case PERTYPEWITHIN:
			// Works with a type pattern
			this.perClausePointcut = new ComposablePointcut(new TypePatternClassFilter(findPerClause(aspectClass)));
			return;
		default:
			throw new AopConfigException(
					"PerClause " + ajType.getPerClause().getKind() + " not supported by Spring AOP for " + aspectClass);
	}
}
 

/**
 * Create a new AspectMetadata instance for the given aspect class.
 * @param aspectClass the aspect class
 * @param aspectName the name of the aspect
 */
public AspectMetadata(Class<?> aspectClass, String aspectName) {
	this.aspectName = aspectName;

	Class<?> currClass = aspectClass;
	AjType<?> ajType = null;
	while (currClass != Object.class) {
		AjType<?> ajTypeToCheck = AjTypeSystem.getAjType(currClass);
		if (ajTypeToCheck.isAspect()) {
			ajType = ajTypeToCheck;
			break;
		}
		currClass = currClass.getSuperclass();
	}
	if (ajType == null) {
		throw new IllegalArgumentException("Class '" + aspectClass.getName() + "' is not an @AspectJ aspect");
	}
	if (ajType.getDeclarePrecedence().length > 0) {
		throw new IllegalArgumentException("DeclarePrecendence not presently supported in Spring AOP");
	}
	this.aspectClass = ajType.getJavaClass();
	this.ajType = ajType;

	switch (this.ajType.getPerClause().getKind()) {
		case SINGLETON:
			this.perClausePointcut = Pointcut.TRUE;
			return;
		case PERTARGET:
		case PERTHIS:
			AspectJExpressionPointcut ajexp = new AspectJExpressionPointcut();
			ajexp.setLocation(aspectClass.getName());
			ajexp.setExpression(findPerClause(aspectClass));
			ajexp.setPointcutDeclarationScope(aspectClass);
			this.perClausePointcut = ajexp;
			return;
		case PERTYPEWITHIN:
			// Works with a type pattern
			this.perClausePointcut = new ComposablePointcut(new TypePatternClassFilter(findPerClause(aspectClass)));
			return;
		default:
			throw new AopConfigException(
					"PerClause " + ajType.getPerClause().getKind() + " not supported by Spring AOP for " + aspectClass);
	}
}
 

/**
 * build pointcut instance
 */
private Pointcut buildPointcut() {
    // method
    Pointcut mpc = AnnotationMatchingPointcut.forMethodAnnotation(ResourceLoad.class);
    return new ComposablePointcut(mpc);
}
 

/**
 * Create a new AspectMetadata instance for the given aspect class.
 * @param aspectClass the aspect class
 * @param aspectName the name of the aspect
 */
public AspectMetadata(Class<?> aspectClass, String aspectName) {
	this.aspectName = aspectName;

	Class<?> currClass = aspectClass;
	AjType<?> ajType = null;
	while (currClass != Object.class) {
		AjType<?> ajTypeToCheck = AjTypeSystem.getAjType(currClass);
		if (ajTypeToCheck.isAspect()) {
			ajType = ajTypeToCheck;
			break;
		}
		currClass = currClass.getSuperclass();
	}
	if (ajType == null) {
		throw new IllegalArgumentException("Class '" + aspectClass.getName() + "' is not an @AspectJ aspect");
	}
	if (ajType.getDeclarePrecedence().length > 0) {
		throw new IllegalArgumentException("DeclarePrecendence not presently supported in Spring AOP");
	}
	this.aspectClass = ajType.getJavaClass();
	this.ajType = ajType;

	switch (this.ajType.getPerClause().getKind()) {
		case SINGLETON:
			this.perClausePointcut = Pointcut.TRUE;
			return;
		case PERTARGET:
		case PERTHIS:
			AspectJExpressionPointcut ajexp = new AspectJExpressionPointcut();
			ajexp.setLocation(aspectClass.getName());
			ajexp.setExpression(findPerClause(aspectClass));
			ajexp.setPointcutDeclarationScope(aspectClass);
			this.perClausePointcut = ajexp;
			return;
		case PERTYPEWITHIN:
			// Works with a type pattern
			this.perClausePointcut = new ComposablePointcut(new TypePatternClassFilter(findPerClause(aspectClass)));
			return;
		default:
			throw new AopConfigException(
					"PerClause " + ajType.getPerClause().getKind() + " not supported by Spring AOP for " + aspectClass);
	}
}
 

/**
 * Create a new AspectMetadata instance for the given aspect class.
 * @param aspectClass the aspect class
 * @param aspectName the name of the aspect
 */
public AspectMetadata(Class<?> aspectClass, String aspectName) {
	this.aspectName = aspectName;

	Class<?> currClass = aspectClass;
	AjType<?> ajType = null;
	while (currClass != Object.class) {
		AjType<?> ajTypeToCheck = AjTypeSystem.getAjType(currClass);
		if (ajTypeToCheck.isAspect()) {
			ajType = ajTypeToCheck;
			break;
		}
		currClass = currClass.getSuperclass();
	}
	if (ajType == null) {
		throw new IllegalArgumentException("Class '" + aspectClass.getName() + "' is not an @AspectJ aspect");
	}
	this.ajType = ajType;
	if (this.ajType.getDeclarePrecedence().length > 0) {
		throw new IllegalArgumentException("DeclarePrecendence not presently supported in Spring AOP");
	}

	switch (this.ajType.getPerClause().getKind()) {
		case SINGLETON :
			this.perClausePointcut = Pointcut.TRUE;
			return;
		case PERTARGET : case PERTHIS :
			AspectJExpressionPointcut ajexp = new AspectJExpressionPointcut();
			ajexp.setLocation("@Aspect annotation on " + aspectClass.getName());
			ajexp.setExpression(findPerClause(aspectClass));
			this.perClausePointcut = ajexp;
			return;
		case PERTYPEWITHIN :
			// Works with a type pattern
			this.perClausePointcut = new ComposablePointcut(new TypePatternClassFilter(findPerClause(aspectClass)));
			return;
		default :
			throw new AopConfigException(
					"PerClause " + ajType.getPerClause().getKind() + " not supported by Spring AOP for " + aspectClass);
	}
}
 

/**
 * build breakthrough point
 * <p>
 * According to {@link RateLimiter} annotation pointcut
 *
 * @return {@link Pointcut}
 */
private Pointcut buildPointcut() {
    // method
    Pointcut mpc = AnnotationMatchingPointcut.forMethodAnnotation(RateLimiter.class);
    return new ComposablePointcut(mpc);
}