// look up and apply coarts for given rels to each sign in result private void applyCoarts(List<String> coartRels, Collection<Sign> result) { List<Sign> inputSigns = new ArrayList<Sign>(result); result.clear(); List<Sign> outputSigns = new ArrayList<Sign>(inputSigns.size()); // for each rel, lookup coarts and apply to input signs, storing results in output signs for (Iterator<String> it = coartRels.iterator(); it.hasNext(); ) { String rel = it.next(); Collection<String> preds = (Collection<String>) _coartRelsToPreds.get(rel); if (preds == null) continue; // not expected Collection<Sign> coartResult = getSignsFromRelAndPreds(rel, preds); if (coartResult == null) continue; for (Iterator<Sign> it2 = coartResult.iterator(); it2.hasNext(); ) { Sign coartSign = it2.next(); // apply to each input for (int j = 0; j < inputSigns.size(); j++) { Sign sign = inputSigns.get(j); grammar.rules.applyCoart(sign, coartSign, outputSigns); } } // switch output to input for next iteration inputSigns.clear(); inputSigns.addAll(outputSigns); outputSigns.clear(); } // add results back result.addAll(inputSigns); }