public ProcessInfo query(String startTime, String endTime, String packageName) {
Cursor cursor;
if (endTime == null) {
cursor =
db.query(
TABLE_NAME,
new String[] {"send", "receive", "package_name"},
"time >= ? and package_name = ?",
new String[] {startTime, packageName},
null,
null,
null,
null);
} else {
cursor =
db.query(
TABLE_NAME,
new String[] {"send", "receive", "package_name"},
"time >= ? and time <= ? and package_name = ?",
new String[] {startTime, endTime, packageName},
null,
null,
null,
null);
}
if (cursor.getCount() > 0) {
cursor.moveToFirst();
ProcessInfo firstInfo = new ProcessInfo();
firstInfo.setSend(cursor.getLong(0));
firstInfo.setReceive(cursor.getLong(1));
cursor.moveToLast();
ProcessInfo lastInfo = new ProcessInfo();
lastInfo.setSend(cursor.getLong(0));
lastInfo.setReceive(cursor.getLong(1));
ProcessInfo info = new ProcessInfo();
info.setSend(lastInfo.getSend() - firstInfo.getSend());
info.setReceive(lastInfo.getReceive() - firstInfo.getReceive());
info.setPackageName(cursor.getString(2));
return info;
}
cursor.close();
return null;
}
public void insert(ProcessInfo info) {
try {
db.beginTransaction();
ContentValues values = new ContentValues();
values.put("receive", info.getReceive());
values.put("send", info.getSend());
DateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.CANADA);
values.put("time", format.format(info.getTime()));
values.put("package_name", info.getPackageName());
db.insert(TABLE_NAME, null, values);
db.setTransactionSuccessful();
} catch (Exception e) {
LogUtil.e("insert", e.getMessage());
} finally {
db.endTransaction();
}
}