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 Rules getRules(int ruleId) {
PreparedStatement ps = null;
ResultSet rs = null;
Rules rules = new Rules();
try {
ps = con.prepareStatement(SELECT_RULE_QRY);
ps.setInt(1, ruleId);
rs = ps.executeQuery();
String sourceID = "";
String ruleString = "";
String sourceFields = "";
String ruleName = "";
int userId = 0;
if (rs.next()) {
ruleId = rs.getInt("RuleID");
ruleName = rs.getString(RULE_NAME);
sourceID = rs.getString(SOURCE_ID);
ruleString = rs.getString(RULE_QUERIES);
sourceFields = rs.getString(SOURCE_FIELDS);
userId = rs.getInt("user_id");
LOGGER.debug(ruleString);
}
rules.setRuleID(ruleId);
rules.setRuleName(ruleName);
rules.setSource(sourceID);
rules.setUserId(userId);
rules.setExtractFields(sourceFields);
// objectMapper.convertValue(ruleString, Rule.class);
List<Rule> ruless = new ArrayList<Rule>();
JsonObject rulesObj = (new JsonParser()).parse(ruleString).getAsJsonObject();
JsonArray rulesJson = rulesObj.get("rules").getAsJsonArray();
for (int i = 0; i < rulesJson.size(); i++) {
JsonObject tempObj = rulesJson.get(i).getAsJsonObject();
Rule rule = new Rule();
rule.setRuleOperator(tempObj.get("ruleOperator").getAsString());
rule.setDataField(tempObj.get("dataField").getAsString());
rule.setRuleParameters(tempObj.get("ruleParameters").getAsString());
ruless.add(rule);
}
rules.setRules(ruless);
// rulesObj.get("")
// {"source":"ds59","rules":[{"ruleOperator":"coordinates","dataField":"loc","ruleParameters":"-120.2,40.1,-118.2,32.4"},{"ruleOperator":">","dataField":"value","ruleParameters":"100"}],"extractFields":"loc,value,timestamp"}
LOGGER.debug(rules.toString());
} catch (Exception e) {
e.printStackTrace();
} finally {
}
return rules;
}
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;
}
public List<Rules> getAllRules(User user) {
PreparedStatement ps = null;
ResultSet rs = null;
List<Rules> rulesList = new ArrayList<>();
try {
ps = con.prepareStatement(SELECT_ALL_RULE_QRY);
ps.setInt(1, user.getId());
rs = ps.executeQuery();
while (rs.next()) {
Rules rules = new Rules();
int ruleID;
String ruleName;
String sourceID;
String ruleString;
String sourceFields;
int userId;
ruleID = rs.getInt(RULE_ID);
ruleName = rs.getString(RULE_NAME);
if (ruleName == null) {
ruleName = "";
}
sourceID = rs.getString(SOURCE_ID);
ruleString = rs.getString(RULE_QUERIES);
if (ruleString == null) {
ruleString = "";
}
sourceFields = rs.getString(SOURCE_FIELDS);
if (sourceFields == null) {
sourceFields = "";
}
userId = rs.getInt(USER_ID);
rules.setRuleID(ruleID);
rules.setRuleName(ruleName);
rules.setUserId(userId);
rules.setSource(sourceID);
rules.setExtractFields(sourceFields);
List<Rule> ruless = new ArrayList<Rule>();
if (!ruleString.equals("")) {
JsonObject rulesObj = (new JsonParser()).parse(ruleString).getAsJsonObject();
JsonArray rulesJson = rulesObj.get("rules").getAsJsonArray();
for (int i = 0; i < rulesJson.size(); i++) {
Rule rule = new Rule();
JsonObject tempObj = rulesJson.get(i).getAsJsonObject();
rule.setRuleOperator(tempObj.get("ruleOperator").getAsString());
rule.setDataField(tempObj.get("dataField").getAsString());
rule.setRuleParameters(tempObj.get("ruleParameters").getAsString());
ruless.add(rule);
}
}
rules.setRules(ruless);
rulesList.add(rules);
}
for (int i = 0; i < rulesList.size(); i++) {
LOGGER.debug(rulesList.get(i).toString());
}
} catch (Exception e) {
e.printStackTrace();
} finally {
}
return rulesList;
}
