@Override
public ProblemSet find(long id) {
ProblemSet ps = new ProblemSet();
try {
Connection conn = ConnectionFactory.getInstance().getConnection();
String query = "SELECT * FROM sequences WHERE id = ?";
PreparedStatement pstm = conn.prepareStatement(query);
pstm.setLong(1, id);
ResultSet rs = pstm.executeQuery();
if (rs.next()) {
ps.setDecodedID(rs.getInt("id"));
ps.setName(rs.getString("name"));
ps.setHeadSectionId(rs.getLong("head_section_id"));
ps.setParameters(rs.getString("parameters"));
} else {
throw new RuntimeException("Cannot find Problem Set with this " + id);
}
if (rs != null) rs.close();
if (pstm != null) pstm.close();
if (conn != null) conn.close();
} catch (SQLException e) {
throw new RuntimeException(e);
}
return ps;
}
@Override
public boolean isPseudoSkillBuilder(long problemSetId) {
ProblemSet ps = find(problemSetId);
String parameters = ps.getParameters();
if (parameters.contains("pseudo_skill_builder: \"true\"")) {
return true;
} else {
return false;
}
}
@Override
public long getPseudoSkillBuilderId(long problemSetId) {
long id = 0;
ProblemSet ps = find(problemSetId);
String parameters = ps.getParameters();
String pattern = "arrs_skill_builder: \"(\\d+)\"";
Pattern r = Pattern.compile(pattern);
Matcher m = r.matcher(parameters);
if (m.find()) {
id = Long.valueOf(m.group(1));
} else {
throw new RuntimeException(
"Cannot find pseudo skill builder for problem set " + problemSetId);
}
return id;
}