private SymbolHash buildSubGroups_Org(short s4sVersion) { SubstitutionGroupHandler sgHandler = new SubstitutionGroupHandler(null); for (int i = 0 ; i < fGrammarCount; i++) { sgHandler.addSubstitutionGroup(fGrammarList[i].getSubstitutionGroups()); } final XSNamedMap elements = getComponents(XSConstants.ELEMENT_DECLARATION); final int len = elements.getLength(); final SymbolHash subGroupMap = new SymbolHash(len*2); XSElementDecl head; XSElementDeclaration[] subGroup; for (int i = 0; i < len; i++) { head = (XSElementDecl)elements.item(i); subGroup = sgHandler.getSubstitutionGroup(head, s4sVersion); subGroupMap.put(head, subGroup.length > 0 ? new XSObjectListImpl(subGroup, subGroup.length) : XSObjectListImpl.EMPTY_LIST); } return subGroupMap; }