private float getRowValueHelper(SQLiteDatabase db, String query, int index) {
Cursor cur = db.rawQuery(query, null);
cur.moveToFirst();
float val = cur.getFloat(index);
cur.close();
return val;
}
@Override
public List<STPoint> range(STRegion range) {
SQLiteDatabase db = this.getReadableDatabase();
String query = "SELECT id,minX,maxX,minY,maxY,minT,maxT from " + this.table_identifier + " ";
STPoint mins = range.getMins();
STPoint maxs = range.getMaxs();
String prefix = " WHERE ";
if (mins.hasX() && maxs.hasX()) {
query +=
prefix
+ " minX >= "
+ String.valueOf(mins.getX())
+ " AND maxX <= "
+ String.valueOf(maxs.getX());
prefix = " AND ";
}
if (mins.hasY() && maxs.hasY()) {
query +=
prefix
+ " minY >= "
+ String.valueOf(mins.getY())
+ " AND maxY <= "
+ String.valueOf(maxs.getY());
prefix = " AND ";
}
if (mins.hasT() && maxs.hasT()) {
query +=
prefix
+ " minT >= "
+ String.valueOf(mins.getT())
+ " AND maxT <= "
+ String.valueOf(maxs.getT());
prefix = " AND ";
}
Cursor cur = db.rawQuery(query, null);
List<STPoint> points = cursorToList(cur);
db.close();
return points;
}