December 2004
Intermediate to advanced
354 pages
8h 4m
English
Content preview from AspectJ Cookbook
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Appendix A. The AspectJ Runtime API
It is sometimes useful to access information about the join points
that trigger an advice in your aspects at runtime, and AspectJ
provides a runtime API in the org.aspectj.*
packages that can be used for just this purpose. ??? shows the package breakdown for the
AspectJ runtime API.
 |
Figure A-1. The package structure of the AspectJ runtime API
The main packages of the AspectJ runtime API contain:
-
org.aspectj.lang Provides interfaces and support classes for discovering runtime information about join points.
-
org.aspectj.lang.reflect Contains interfaces that provide more specialized information concerning join point signatures.
-
org.aspectj.weaver.tools Provides interfaces to support a JVM class loader in performing load-time weaving.
This appendix focuses on the contents of
org.aspectj.lang and
org.aspectj.lang.reflect and gives a brief
overview of each of the main components in those packages. If you
want to delve into the API, then the full documentation is available
within your AspectJ installation at
%ASPECTJ_INSTALLATION_DIR%/doc/api/index.html.
org.aspectj.lang
Similar to the familiar java.lang package that
conatins the most fundamental constructs for the Java language, the
org.aspectj.lang package provides a set of classes
for interacting with join points at the most basic and common level.
JoinPoint and JoinPoint.StaticPart
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