/**
* Write a CSV wordIndex to a {@link MLCell} writen to a .mat data file
*
* @param path
* @throws IOException
*/
public static void writeToMatlab(String path) throws IOException {
Path wordMatPath = new Path(path + "/words/wordIndex.mat");
FileSystem fs = HadoopToolsUtil.getFileSystem(wordMatPath);
LinkedHashMap<String, IndependentPair<Long, Long>> wordIndex = readWordCountLines(path);
MLCell wordCell = new MLCell("words", new int[] {wordIndex.size(), 2});
System.out.println("... reading words");
for (Entry<String, IndependentPair<Long, Long>> ent : wordIndex.entrySet()) {
String word = ent.getKey();
int wordCellIndex = (int) (long) ent.getValue().secondObject();
long count = ent.getValue().firstObject();
wordCell.set(new MLChar(null, word), wordCellIndex, 0);
wordCell.set(new MLDouble(null, new double[][] {new double[] {count}}), wordCellIndex, 1);
}
ArrayList<MLArray> list = new ArrayList<MLArray>();
list.add(wordCell);
new MatFileWriter(fs.create(wordMatPath), list);
}
private void decomposePassPaths(Map<Link, Set<Path>> routes, MLCell j) {
Network network = optimContext.network;
Map<Id<Node>, ? extends Node> nodenetwork = network.getNodes();
ArrayList<MLArray> paths = j.cells();
for (MLArray path : paths) {
MLCell cellpath = (MLCell) path;
if (path.getM() != 0) {
List<Node> nodelist = new ArrayList<Node>();
List<Link> linklist = new ArrayList<Link>();
MLDouble route = (MLDouble) (cellpath.get(0));
double[][] nodes = route.getArray();
for (int i = 0; i < nodes.length - 1; i++) {
int currnode = (int) nodes[i][0];
int nextnode = (int) nodes[i + 1][0];
Node start = nodenetwork.get(Id.createNodeId(Integer.toString(currnode)));
Node finish = nodenetwork.get(Id.createNodeId(Integer.toString(nextnode)));
nodelist.add(start);
Collection<? extends Link> possiblelinks = start.getOutLinks().values();
for (Link l : possiblelinks) {
if (l.getToNode().equals(finish)) {
linklist.add(l);
break;
}
}
if (i == nodes.length - 2) {
nodelist.add(finish);
}
Path temppath = convertNodeListtoPath(nodelist, linklist);
if (routes.get(linklist.get(0)) == null) { // add path to routelist
routes.put(linklist.get(0), new HashSet<Path>());
}
routes.get(linklist.get(0)).add(temppath);
}
}
}
}