public int registerRule(Rules rules) {
int key = 0;
try {
PreparedStatement ps = con.prepareStatement(INSERT_RULE_QRY, Statement.RETURN_GENERATED_KEYS);
ps.setString(1, rules.getRuleName());
ps.setString(2, rules.getSource());
JsonArray ruleArray = new JsonArray();
List<Rule> rule = rules.getRules();
for (Rule rul : rule) {
JsonObject ruleObj = new JsonObject();
ruleObj.addProperty("dataField", rul.getDataField());
ruleObj.addProperty("ruleOperator", rul.getRuleOperator());
ruleObj.addProperty("ruleParameters", rul.getRuleParameters());
ruleArray.add(ruleObj);
}
ps.setString(3, "{\"rules\":" + ruleArray.toString() + "}");
ps.setString(4, rules.getExtractFields());
ps.setInt(5, rules.getUserId());
ps.executeUpdate();
ResultSet rs = ps.getGeneratedKeys();
if (rs.next()) {
// Retrieve the auto generated key(s).
key = rs.getInt(1);
}
return key;
} catch (SQLException e) {
e.printStackTrace();
return 0;
}
}
public int registerDefaultRule(DataSource ds) {
int key = 0;
Rules rules = new Rules();
rules.setRuleName(DEFAULT);
rules.setSource("ds" + ds.getSrcID());
rules.setUserId(Integer.parseInt(ds.getUserId()));
rules.setExtractFields(DEFAULT_EXTRACT_FIELD);
// Sample Rule Insert
// {"source":"ds42","extractFields":"loc,theme,value,timestamp,","rules":[{"dataField":"loc","ruleOperator":"coordinates","ruleParameters":"33,33,33,33"}]}
try {
PreparedStatement ps =
con.prepareStatement(INSERT_DEFAULT_RULE_QRY, Statement.RETURN_GENERATED_KEYS);
ps.setString(1, ds.getSrcID() + "_" + rules.getRuleName());
String ruleQuery =
"{\"rules\":[{\"ruleOperator\":\"coordinates\",\"dataField\":\"loc\",\"ruleParameters\":\""
+ ds.getInitParam().getSwLat()
+ ","
+ ds.getInitParam().getSwLong()
+ ","
+ ds.getInitParam().getNeLat()
+ ","
+ ds.getInitParam().getNeLong()
+ "\"}]}";
ps.setString(2, ruleQuery);
ps.setString(3, rules.getSource());
ps.setString(4, rules.getExtractFields());
ps.setInt(5, rules.getUserId());
ps.executeUpdate();
ResultSet rs = ps.getGeneratedKeys();
if (rs.next()) {
// Retrieve the auto generated key(s).
key = rs.getInt(1);
}
} catch (Exception ex) {
ex.printStackTrace();
}
return key;
}
