/**
* Stores an entry in the hall of fame.
*
* @param transaction Transaction
* @param charname name of the player
* @param fametype type of the hall of fame
* @param points points to store
* @throws SQLException in case of an database error
*/
public void setHallOfFamePoints(
final DBTransaction transaction,
final String charname,
final String fametype,
final int points)
throws SQLException {
try {
// first try an update
String query =
"UPDATE halloffame SET points='[points]'"
+ " WHERE charname='[charname]' AND fametype='[fametype]';";
Map<String, Object> params = new HashMap<String, Object>();
params.put("points", Integer.toString(points));
params.put("charname", charname);
params.put("fametype", fametype);
final int count = transaction.execute(query, params);
if (count == 0) {
// no row was modified, so we need to do an insert
query =
"INSERT INTO halloffame (charname, fametype, points)"
+ " VALUES ('[charname]', '[fametype]', '[points]')";
transaction.execute(query, params);
}
} catch (final SQLException sqle) {
logger.warn("error adding game event", sqle);
throw sqle;
}
}
/**
* gets the characters who have taken part in the specified fametype
*
* @param transaction a DBTransaction
* @param fametype type of fame
* @param max maximum number of returned characters
* @param ascending sort ascending or descending
* @return list of character names
* @throws SQLException in case of an database error
*/
public List<String> getCharactersByFametype(
DBTransaction transaction, String fametype, int max, boolean ascending) throws SQLException {
List<String> res = new LinkedList<String>();
Map<String, Object> params = new HashMap<String, Object>();
params.put("fametype", fametype);
// generate SQL statement
StringBuilder sql = new StringBuilder();
sql.append("SELECT charname FROM halloffame");
sql.append(" WHERE fametype = '[fametype]'");
sql.append(" ORDER BY points");
if (!ascending) {
sql.append(" DESC");
}
if (max > 0) {
sql.append(" LIMIT " + max);
}
// read result
ResultSet resultSet = transaction.query(sql.toString(), params);
while (resultSet.next()) {
res.add(resultSet.getString(1));
}
return res;
}
/**
* Returns the points in the specified hall of fame.
*
* @param transaction Transaction
* @param charname name of the player
* @param fametype type of the hall of fame
* @return points or 0 in case there is no entry
*/
public int getHallOfFamePoints(
final DBTransaction transaction, final String charname, final String fametype) {
int res = 0;
try {
final String query =
"SELECT points FROM halloffame WHERE charname="
+ "'[charname]' AND fametype='[fametype]'";
Map<String, Object> params = new HashMap<String, Object>();
params.put("charname", charname);
params.put("fametype", fametype);
final ResultSet result = transaction.query(query, params);
if (result.next()) {
res = result.getInt("points");
}
result.close();
} catch (final Exception sqle) {
logger.warn("Error reading hall of fame", sqle);
}
return res;
}