Creator’s help guide to constructing hardware over AJDT and AspectJ
This site is intended to aid any individual creating knowledge to increase or use AJDT/AspectJ. Please play a role in this page with any appropriate facts, instance instance rule utilising the AJDT and/or AspectJ APIs.
This site is out of date. Our very own intent will be upgrade these pages for AJDT 1.6.1, but we have maybe not have times for this yet. Kindly understand that the what’s with this webpage might no much longer getting appropriate. When you yourself have any questions, please submit them to the mailing list ajdt-dev.
Items
- 1 getting crosscutting partnership suggestions from AJDT
- 2 Collection Products in AJDT
- 2.1 obtaining the belongings in an AJCompilationUnit
- 3 by using the AspectJ AST parser
- 4 recognized restrictions, pests, and exceptional problems
- 5 The screen gear are required to utilize to-drive the AspectJ compiler
Obtaining crosscutting union info from AJDT
If you are building an eclipse plug-in and require the means to access crosscutting details whenever a task is created, it is possible to sign up a listener with AJDT. Your own plug-in will have to be determined by org.eclipse.ajdt.core, org.eclipse.core.resources and org.eclipse.jdt.core, and org.aspectj.weaver. During the org.eclipse.ajdt.core plug-in there is certainly an IAdviceChangedListener interface with one adviceChanged() process.
Sign-up this making use of the AJBuilder lessons along these lines (in your plug-in’s start() method for sample):
Presently (AJDT 1.6) this might be known as after each build of an AspectJ project (in other words. every *potential* suggestions changes). In the next release this may be enhanced becoming best labeled as if advice possess actually changed. AJDT/UI utilizes this process to update the lime arrow picture decorator.
Crosscutting info may then feel obtained from the AJProjectModelFacade class. Here’s an illustration with some pseudo code you’ll be able to adjust:
Several notes about that:
- The API have some slight alterations in the future. Kindly submit an email into the ajdt-dev email list if anything on this webpage may be out of date.
- The AJProjectModelFacade item was a light entrance into the AspectJ community. It can be legitimate before then build. Thus, do not save all of them. Utilize them and dispose as required.
- AJProjectModelFacade items just contain information following the earliest effective create. It is possible to contact the possessModel() approach to find out if an AspectJ product is available for all the venture.
- As you can see, you receive the partnership in directions. Read AJRelationshipManager when it comes to full listing of interactions, so you’re able to simply require the relationship kinds you’re interested in.
- IRelationship.getSourceHandle() and IRelationship.getTargets() return chain that represent AspectJ factor manages. You need to use here AJProjectModelFacade strategies to convert to model areas:
- toProgramElement(sequence) — returns IProgramElement. From this point you’ll be able to obtain information regarding the pointcut, intertype element, or declare factor.
- programElementToJavaElement(String) or programElementToJavaElement(IProgramElement) — profits IJavaElement. From this point you can hook into JDT tooling.
- There’s absolutely no necessity to join up a suggestions changed listener. You can aquire use of the crosscutting unit whenever you want (provided that your panels has received an effective develop) using the preceding laws:
Collection Units in AJDT
JDT creates collection units (cases of ICompilationproduct) for .java data files. AJDT creates compilation models for .aj files, that are cases of AJCompilationUnit (which implements ICompilationUnit). The class AJCompilationUnitManager (for the org.eclipse.ajdt.core plug-in) contains some helpful practices with this, including:
From an AJCompilationUnit you are able to get different architectural ideas eg getAllTypes(). The main kind for “.aj” data is typically an element, in fact it is displayed by AspectElement lessons, containing aspect-specific means particularly getPointcuts() and getAdvice(). These return further aspect-specific areas such as for example PointcutElement and AdviceElement.
Since AJDT 1.6.2 for Eclispe 3.4, we make use of the Eclipse weaving solution to incorporate into JDT. One group of join guidelines which are encouraged are the ones associated with the production of CompilationUnit items. In the event that document keeps was *.aj document, AJCompilationUnit is made instead of a general Java collectionproduct.
Obtaining the items in an AJCompilationUnit
Because JDT anticipates that every origin it really works with is true Java laws, JDT doesn’t work well with AspectJ. In order to get surrounding this, AJCompilationUnits uphold two buffers that contain origin materials. The very first is a java compatible buffer and second will be the initial material buffer. The java compatible buffer could be the buffer this is certainly came back automatically when AJCompilationUnit.getContents() is known as. This buffer contains the AspectJ rule along with aspect-specific syntax stripped aside. The original contents buffer contains (as you would count on) the first contents associated with file.
For example when the initial contents buffer looks like:
the Java appropriate buffer becomes
Realize that the foundation locations in the identifiers are identical both in https://datingranking.net/cs/faceflow-recenze buffers. This helps to ensure that resource receiving and hyperlinking work not surprisingly.
Should you decide need working with the first material of an AspectJ CompilationUnit ajUnit, you can certainly do the annotated following:
What this process does requests the AJCU to briefly switch their buffer towards the AJ buffer from the Java buffer. It’s always best to do this in a synchronized block so that you never exposure other posts coming by and accidentally by using the incorrect buffer (AJDT by itself doesn’t incorporate a synchronized block for this, nevertheless should).
By using the AspectJ AST parser
Practical instance, taken from insect 88861
Gather the aforementioned and operate it:
Understood limits, pests, and outstanding problems
Restriction: There is presently no AST help for resolving means bindings: bug 146528