private ModelDependencies updateUnchanged(
GenerationStatus genStatus, StreamHandler streamHandler) {
final ModelDependencies newDeps = genStatus.getBLDependencies();
if (newDeps == null) {
return null;
}
// update modelDependencies and generationDependencies
ModelDependencies modelDep = null;
// process unchanged files
SModel originalInputModel = genStatus.getOriginalInputModel();
for (GenerationRootDependencies rdep : genStatus.getUnchangedDependencies()) {
for (String filename : rdep.getFiles()) {
if (!streamHandler.touch(filename)) {
continue;
}
// re-register baseLanguage dependencies
if (modelDep == null) {
modelDep = BLDependenciesCache.getInstance().get(originalInputModel);
}
if (modelDep != null) {
RootDependencies root = modelDep.getDependency(filename);
if (root != null) {
newDeps.replaceRoot(root);
}
}
}
}
return newDeps;
}
@Override
public void generateCache(GenerationStatus status, StreamHandler handler) {
final ModelDependencies deps = updateUnchanged(status, handler);
if (deps == null) {
return;
}
update(status.getOriginalInputModel(), deps);
handler.saveStream(getCacheFileName(), deps.toXml());
}