public void updateGraph(
List<ClusterRectangle> clusterRectangles, List<Period> indoorPeriods, String android_id) {
// Graph Update
// Make Graph
Configuration conf = new BaseConfiguration();
conf.setProperty("storage.backend", "cassandra");
conf.setProperty("storage.hostname", "127.0.0.1");
TitanGraph g = TitanFactory.open(conf);
// Get Smartphone Vertex
Vertex v = TitanHelper.getVertex(g, "android_id", android_id);
if (v == null) {
v = g.addVertex(null);
v.setProperty("android_id", android_id);
v.setProperty("ltype", "Object");
}
// Process Outdoor Cluster
for (int i = 0; i < clusterRectangles.size(); i++) {
ClusterRectangle clusterRectangle = clusterRectangles.get(i);
double minLon = clusterRectangle.getMinLon();
double minLat = clusterRectangle.getMinLat();
double maxLon = clusterRectangle.getMaxLon();
double maxLat = clusterRectangle.getMaxLat();
for (int j = 0; j < clusterRectangle.getPeriods().size(); j++) {
Vertex place = g.addVertex(null);
place.setProperty("ltype", "Place.outdoor");
place.setProperty("minLon", minLon);
place.setProperty("minLat", minLat);
place.setProperty("maxLon", maxLon);
place.setProperty("maxLat", maxLat);
Period period = clusterRectangle.getPeriods().get(j);
long from = period.getFrom() * 1000;
long to = period.getTo() * 1000;
Edge isLocatedIn = g.addEdge(null, v, place, "isLocatedIn");
Edge isContaining = g.addEdge(null, place, v, "isContaining");
isLocatedIn.setProperty("from", from);
isLocatedIn.setProperty("to", to);
isContaining.setProperty("from", from);
isContaining.setProperty("to", to);
}
}
// Process Indoor Points
for (int i = 0; i < indoorPeriods.size(); i++) {
Period indoor = indoorPeriods.get(i);
Vertex place = g.addVertex(null);
place.setProperty("ltype", "Place.indoor");
place.setProperty("longitude", indoor.getLongitude());
place.setProperty("latitude", indoor.getLatitude());
place.setProperty("from", indoor.getFrom());
place.setProperty("to", indoor.getTo());
}
g.commit();
g.shutdown();
}
/**
* @param string
* @param indoorPeriods
*/
private void makeRIndoorPoint(String path, List<Period> indoorPeriods) {
String outStr = "lon\tlat\n";
for (int i = 0; i < indoorPeriods.size(); i++) {
Period period = indoorPeriods.get(i);
double longitude = period.getLongitude();
double latitude = period.getLatitude();
outStr += "\t" + longitude + "\t" + latitude + "\n";
}
try {
BufferedWriter writer = new BufferedWriter(new FileWriter(path));
writer.write(outStr);
writer.close();
} catch (Exception ex) {
}
}