private boolean influencesFragment(ReuseExtensionActivator rexActivator, Fragment fragment) {
ReuseExtension rex = rexActivator.getReuseExtension();
if (rex instanceof ComponentModelSpecification) {
for (EObject root : fragment.getContents()) {
for (RootElementContext rootElementContext : rex.getRootElementContexts()) {
if (rootElementContext.getEBoundClass().isInstance(root)) {
Map<String, String> args = new LinkedHashMap<String, String>();
for (Argument arg : rexActivator.getArguments()) {
args.put(arg.getParameter(), arg.getValue());
}
if (EvaluatorUtil.eval(
fragment.getUFI(), root, rootElementContext.getIsExpression(), args)) {
return true;
}
}
}
}
}
return false;
}
private void computeAndCacheCompositionInterface(
List<String> ufi,
Resource fragmentResource,
List<ReuseExtensionActivator> rexActivatorList,
ResourceSet resourceSet,
IndexMetaData metaData) {
Fragment fragment = null;
// physical or composed?
List<Constraint> constraints =
FacetUtil.buildConstraints(
IndexConstants.COLUMN_COMPOSED_FRAGMENT, ResourceUtil.idString(ufi));
FacetedRequest request = FacetUtil.buildFacetedRequest(constraints);
List<IndexRow> response = IndexUtil.INSTANCE.getIndex(request);
if (response.isEmpty()) {
fragment = FragmentFactory.eINSTANCE.createPhysicalFragment();
} else {
fragment = FragmentFactory.eINSTANCE.createComposedFragment();
}
// load
fragment.getUFI().addAll(ufi);
fragment.getContents().addAll(fragmentResource.getContents());
// find reuse extension activators
for (ReuseExtensionActivator rexActivator : rexActivatorList) {
if (rexActivator.getReuseExtension() instanceof ComponentModelSpecification) {
if (influencesFragment(rexActivator, fragment)) {
fragment.getComponentModelActivators().add(rexActivator);
}
}
}
// compute composition interface (post processors might need diagrams)
if (!fragment.getContents().isEmpty()) {
for (URI fragmentDiagramURI : ReuseResources.INSTANCE.getDiagramURIs(ufi)) {
Resource fragmentDiagramResource = null;
try {
fragmentDiagramResource = resourceSet.getResource(fragmentDiagramURI, true);
} catch (Exception e) {
// ok
}
if (fragmentDiagramResource != null) {
fragment.getDiagrams().addAll(fragmentDiagramResource.getContents());
}
}
}
CompositionInterfaceComputerUtil.compute(fragment);
// index (cache)
Resource tempXMIResource = resourceSet.createResource(URI.createURI("temp:/temp.xmi"));
tempXMIResource.getContents().add(fragment);
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
try {
tempXMIResource.save(outputStream, resourceSet.getLoadOptions());
metaData.putSingle(IndexConstants.COLUMN_FRAGMENT, outputStream.toString("UTF-8"));
} catch (IOException e) {
e.printStackTrace();
}
resourceSet.getResources().remove(tempXMIResource);
// are there external computers registered?
// TODO #1656: test this
DerivedCompositionProgram derivedCp = CompositionProgramExtractorUtil.extract(fragment);
if (derivedCp != null && derivedCp.getUCPI() != null && !derivedCp.getUCPI().isEmpty()) {
URI derivedCpURI =
SokanReuseResourceUtil.getDerivedCompositionProgramURI(
derivedCp.getUCPI(), fragment.getUFI(), null);
Resource resource =
createResourceForDerivedCompositionProgram(derivedCp, derivedCpURI, resourceSet);
ReuseResourcesUtil.completeCompositionProgram(resource);
}
}