public boolean generationRequired(SModelDescriptor sm, IOperationContext operationContext) {
if (!sm.isGeneratable()) return false;
if (sm instanceof EditableSModelDescriptor && ((EditableSModelDescriptor) sm).isChanged())
return true;
String currentHash = ModelDigestHelper.getInstance().getModelHashFast(sm, operationContext);
if (currentHash == null) return true;
String generatedHash = getGenerationHash(sm);
if (generatedHash == null) return true;
return !generatedHash.equals(currentHash);
}
