Ah ha. I finally got the debugger to work again. The NullPointerException
is in DependencyConstraints in this method:
private static void addDependency(Module fromModule, Module toModule,
Set<Module> dependencies) {
if (!toModule.equals(fromModule)) {
if (dependencies.add(toModule)) {
// recursive call, when m not used before
collectDependencies(toModule, dependencies);
}
}
}
In that first "if" statement, "toModule" is null because I only imported
"a-model", but "a-model" has a reference to something in "b-model". Since I
did not import "b-model", the system could not resolve that reference
correctly. So my "app" project's design file, I need to import both
"a-model" and "b-model". Is there a way to print out the Java stacktrace
when an Xtend template encounters an error? oAW's default Xtend stacktrace
was a bit vague.
Having both imports gets me past this blocking error, but what I really want
is for the user to be able to just import the common "main-model.design"
file and have that Application's objects loaded automatically. I'll keep
investigating. This thread looks useful for creating a hook for loading
everything in the common project's "main-model.design":
http://www.openarchitectureware.org/forum/viewtopic.php?showtopic=9521
Thanks,
Polly
amphoras wrote:
>
> Hi,
>
> I have some questions about the "import" statement. In my workspace, I
> have two projects. I have a "common" project and my "app" project. My
> app project has a design file that imports a design file from the "common"
> project. I use an import statement like this:
>
> import
> "platform:/resource/com.foo.common.model/src/main/resources/main-model.design"
>
> I noticed that it isn't enough that the project "com.foo.common.model" is
> in my workspace. It has to physically be in the same directory as my
> "app" project. When I used Eclipse's "import project" function to import
> this project from another directory into my workspace, I got all kinds of
> errors complaining about not being able to find the design file that I
> want to import. Is this to be expected? It was confusing since I could
> see the project and oAW/Sculptor could not.
>
> Then there was another weird problem. In my "common" project, I have
> several design files like this:
> main-model.design:
>
> import
> "platform:/resource/com.foo.common.model/src/main/resources/a-model.design"
> import
> "platform:/resource/com.foo.common.model/src/main/resources/b-model.design"
> import
> "platform:/resource/com.foo.common.model/src/main/resources/c-model.design"
>
> Application CommonModel {
> basePackage=com.foo.common.model
> }
>
> a-model, b-model, and c-model files each contain one ApplicationPart with
> one Module like this:
>
> ApplicationPart A {
>
> Module a {
> ...
> }
> }
>
> The Modules define enums, ValueObjects, BasicTypes, etc.
>
> In my "app" project, I thought that I could just import my "common"
> main-model.design file, but it turns out to not be true. The DSL editor
> shows validation errors unless I import the exact model.design file where
> the Domain Object is defined. This is a bit unwieldy because now I need
> an import statement for each module design files.
>
> So when I do import the correct module design file, then the validation
> error goes away, but I get a NullPointerException when I run the
> generator:
>
> 0 INFO WorkflowRunner -
> --------------------------------------------------------------------------------------
> 453 INFO WorkflowRunner - openArchitectureWare 4.3.0, Build
> 20080508-1430PRD
> 453 INFO WorkflowRunner - (c) 2005-2008 openarchitectureware.org and
> contributors
> 453 INFO WorkflowRunner -
> --------------------------------------------------------------------------------------
> 453 INFO WorkflowRunner - running workflow: workflow.oaw
> 453 INFO WorkflowRunner -
> 18473 INFO StandaloneSetup - Registering platform uri
> 'C:\projects\InforBUS\runtime-mdd3'
> 18707 INFO CompositeComponent - Workflow: executing workflow
> sculptorworkflow.oaw in workflow.oaw:3
> 18707 INFO CompositeComponent - Workflow: executing workflow
> org/fornax/cartridges/sculptor/dsl/parser/Parser.oaw in
> sculptorworkflow.oaw:29
> 18707 INFO CompositeComponent - ParserComponent(sculptordsl-parser)
> 20504 INFO CompositeComponent - IfComponent: executing if
> org/fornax/cartridges/sculptor/dsl/parser/Parser.oaw in
> org/fornax/cartridges/sculptor/dsl/parser/Parser.oaw:9
> 20504 INFO ConditionalComponent - CheckComponent(sculptordsl-checker):
> expression dslModel.eAllContents.union({dslModel}) check file(s):
> org::fornax::cartridges::sculptor::dsl::GenChecks
> org::fornax::cartridges::sculptor::dsl::Checks
> 20692 INFO CompositeComponent - XtendComponent(dslTransformation):
> executing 'transformation::DslTransformation'
> 21583 INFO CompositeComponent - CheckComponent: slot model check file(s):
> constraints/constraints
> 239909 ERROR AbstractExpressionsUsingWorkflowComponent - Error in
> Component of type org.openarchitectureware.check.CheckComponent:
> EvaluationException : java.lang.NullPointerException
> constraints::constraints.chk[1378,30] on line 33
> 'this.checkCyclicDependencies()'
>
> 244081 ERROR WorkflowRunner - Workflow interrupted. Reason:
> EvaluationException : java.lang.NullPointerException
> constraints::constraints.chk[1378,30] on line 33
> 'this.checkCyclicDependencies()'
>
> 244081 ERROR WorkflowRunner - ERROR in Component of type
> org.openarchitectureware.check.CheckComponent
> java.lang.NullPointerException [boolean checkCyclicDependencies(Module
> module)] in workflow: CheckComponent: slot model check file(s):
> constraints/constraints
> 244081 ERROR WorkflowRunner - ERROR in Component of type
> org.openarchitectureware.check.CheckComponent
> java.lang.NullPointerException [this.checkCyclicDependencies()] in
> workflow: CheckComponent: slot model check file(s):
> constraints/constraints
>
> My "app" project has an Entity that is referencing a ValueObject inside
> the "common" project, which seems like it should work. I haven't changed
> any code in the DependencyConstraints.java file either. Any idea why I am
> getting this error?
>
> Thanks,
> Polly
>
>
>
>
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