Join points may contain other join points.
joinpoint可以包含其它join point。
This is called defining join points in AspectJ.
这被称作在AspectJ中定义连接点。
Typically, there are many join points for each concern.
典型的，对每一个关注点存在着许多连接点。
Control flow — Join points within certain program control flows.
控制流程(Control flow)——在某个流程控制流程中的连接点。
A pointcut is in essence a construct to capture join points.
一个切入点(pointcut)本质上一个用于捕捉连接点的结构。
With AOP, we need a way to identify join points in a program.
使用AOP，我们需要一个在一个程序中识别连接点的方法。
Join points represent well-defined points in a program's execution.
joinpoint表示在程序执行中明确定义的点。
When you select a set of join points, you provide advice for them.
当你选择一系列连接点的时候，你可以为它们提供参考建议。
Static join points allow aspects to define new members on a class.
静态连接点允许方面定义类上的新成员。
Try to really leverage join points where objects might not be necessary.
应在可能不需要对象的地方真正利用切入点。
Pointcuts can describe sets of join points by means of explicit enumeration.
切入点可以通过显式枚举方式描述连接点集合。
Pointcuts select join points and collect the context at selected join points.
切入点选择连接点，并收集所选的连接点处的上下文。
If you want the aspect to affect many join points, pick a few representative examples.
如果方面会影响多个联结点，那么就选择几个代表例子。
Dynamic join points are where aspect execution meets the execution of the program.
动态连接点是方面执行与程序执行相遇的地方。
Conversely, when you write an aspect, you immediately see what join points it affects.
反过来，在编写方面的时候，可以立即看到这个方面影响了哪个连接点。
Join points are encapsulated in quantifiable expressions (queries) called "pointcuts."
连接点被封装在被称作“pointcuts(横切点)”的可以计量的扩展(查询)之中。
This is a useful option when there is a clear way to express participating join points.
在有明确的方法表示特定的连接点时，这是一种有用的选择。
Method execution join points correspond to the life cycle of a method until it returns.
方法执行连接点，与方法返回之前的生命周期对应。
Situations like this one invite the use of metadata to capture the required join points.
像这样的情况就要用元数据捕获所需要的连接点。
Pointcuts are then used to define the join points at which advice in the aspect applies.
然后可以用切入点来定义将在其上应用方面中的通知的连接点。
Excluded : this matches all join points within the FFDC aspect and any of its sub aspects.
excluded：它和FFDC方面和其子方面中的所有join points匹配。
For an AOP approach to be advantageous, multiple join points for a single concern must exist.
对于一个有利的AOP方法来说，用于单独一个关注的多个连接点必须存在。
Type isn't the only consideration when selecting join points: properties may also be considered.
在选择连接点时，类型不是惟一要考虑的事项：还可以考虑属性。
For example, how would you capture join points requiring transaction management or authorization?
例如，如何捕获需要事务管理或者授权的连接点呢？
Verify manually that the list is complete and does not include join points that should be omitted.
人工验证清单是否完整，并且不包含应忽略的联结点。
In such cases, the annotator-supplier design avoids the risk of missed annotations for join points.
在这种情况下，有一种注释者-供应者设计避免了错过连接点的注释的风险。
Some primitive pointcuts match only join points of a specific kind (for example, method executions).
有些原生切入点只与特定类型的连接点匹配（例如，方法执行）。
For example, an aspect related to persistence might need access to an object's initialization join points.
例如，与持久性有关的方面可能需要访问对象的初始化连接点。
Signature-based pointcuts cannot capture the join points needed to implement certain crosscutting concerns.
基于签名的切入点不能捕获实现某种横切功能所需要的连接点。
Containment — Join points that correspond to places in the code contained within certain classes or methods.
包含(Containment)——与包含在某个类或方法中的代码位置对应的连接点。
应用推荐