@SuppressWarnings("unchecked")
private void getByTagsOperation(DataStoreOperation op)
throws UnsupportedEncodingException, SQLException {
Set<String> tags = ((GetByTagsOperation) op).getTags();
Set<Map<String, String>> result = new HashSet<Map<String, String>>();
// int i=0;
// String auxTag;
for (String tag : tags) {
if (tag != null) {
/*if(i==0){
}
else {*/
String query = null;
if (tag.startsWith("topic")) { // TOPIC
// auxTag = "#"+tag.toString();
query =
"select tweets.tweetID,id,text,date,user from (select tweetID from tweetsTags where topic = ?) as res inner join tweets on res.tweetID = tweets.tweetID order by date DESC";
} else if (tag.startsWith("user")) { // USER
// auxTag = "@"+tag.toString();
query =
"select tweets.tweetID,id,text,date,user from (select tweetID from tweetsTags where user = ?) as res inner join tweets on res.tweetID = tweets.tweetID order by date DESC";
}
java.sql.Connection conn = null;
conn = this.borrowClient();
PreparedStatement stmt = conn.prepareStatement(query);
ResultSet results = null;
try {
stmt.setString(1, tag);
results = stmt.executeQuery();
while (results.next()) {
Map<String, String> tweet = new HashMap<String, String>();
tweet.put("id", results.getString("id"));
tweet.put("text", results.getString("text"));
tweet.put("date", results.getString("date"));
tweet.put("user", results.getString("user"));
result.add(tweet);
}
} finally {
try {
stmt.close();
} catch (Exception e) {
}
this.releaseClient(conn);
}
// }
}
// i++;
}
((GetByTagsOperation) op).setResult(result);
op.notifyListeners();
}
@SuppressWarnings("unchecked")
private void getRangeOperation(DataStoreOperation op)
throws UnsupportedEncodingException,
SQLException { /////////////// POR ISTO EM PARALELO COMO O MULIPUT
Comparable keyMax = ((GetRangeOperation) op).getMax();
Comparable keyMin = ((GetRangeOperation) op).getMin();
String tablename = ((GetRangeOperation) op).getTableName();
int idMax = this.getTweetID((String) keyMax);
int idMin = this.getTweetID((String) keyMin);
String userID = this.getUserID((String) keyMax);
if (tablename.equals("tweets")) {
java.sql.Connection conn = null;
conn = this.borrowClient();
// String query = "select id,text,date,user from "+tablename+" tweetID between ? AND ?";
String query = "select id,text,date,user from " + tablename + " where tweetID = ?";
PreparedStatement stmt = conn.prepareStatement(query);
ResultSet results = null;
Set<Map<String, String>> result = new HashSet<Map<String, String>>();
for (int i = idMin; i <= idMax; i++) {
try {
stmt.setString(1, new String(userID + "-" + this.getTweetPadding(i)));
// System.out.println(stmt.toString());
results = stmt.executeQuery();
while (results.next()) {
Map<String, String> value = new HashMap<String, String>();
value.put("id", results.getString("id"));
value.put("text", results.getString("text"));
value.put("date", results.getString("date"));
value.put("user", results.getString("user"));
result.add(value);
}
} finally {
try {
// stmt.close();
} catch (Exception e) {
}
}
}
stmt.close();
this.releaseClient(conn);
((GetRangeOperation) op).setResult(result);
op.notifyListeners();
}
}
@SuppressWarnings("unchecked")
private void getTimeLineAndTweetsOperation(DataStoreOperation op)
throws UnsupportedEncodingException, SQLException {
java.sql.Connection conn = null;
String userid = ((GetTimeLineAndTweetsOperation) op).getUserid();
int start = ((GetTimeLineAndTweetsOperation) op).getStart();
int count = ((GetTimeLineAndTweetsOperation) op).getCount();
String tablename = ((GetTimeLineAndTweetsOperation) op).getTableName();
conn = this.borrowClient();
String query =
"select tweets.tweetID,id,text,date,user from (select tweetID from friendsTimeLine where userID = ?) as res inner join tweets on res.tweetID = tweets.tweetID order by date DESC limit ?,? ";
PreparedStatement stmt = conn.prepareStatement(query);
ResultSet results = null;
LinkedHashMap<String, Map<String, String>> result;
try {
stmt.setString(1, (String) userid);
// stmt.setString(2, new String().valueOf(start));
stmt.setInt(2, start);
// stmt.setString(3, new String().valueOf(start+count));
stmt.setInt(3, start + count);
// System.out.println(start+count);
// System.out.println("QERy:"+stmt.toString());
results = stmt.executeQuery();
result = new LinkedHashMap<String, Map<String, String>>();
while (results.next()) {
Map<String, String> value = new HashMap<String, String>();
value.put("id", results.getString("id"));
value.put("text", results.getString("text"));
value.put("date", results.getString("date"));
value.put("user", results.getString("user"));
result.put(results.getString("tweetID"), value);
}
} finally {
try {
stmt.close();
} catch (Exception e) {
}
this.releaseClient(conn);
}
((GetTimeLineAndTweetsOperation) op).setResult(result);
op.notifyListeners();
}
@SuppressWarnings("unchecked")
private void getOperation(DataStoreOperation op)
throws UnsupportedEncodingException, SQLException {
java.sql.Connection conn = null;
Comparable key = ((GetOperation) op).getKey();
String tablename = ((GetOperation) op).getTableName();
if (tablename.equals("friendsTimeLine")) {
// int count = ((GetOperation) op).getCount();
conn = this.borrowClient();
String query = "select tweetID,date from " + tablename + " where userID = ?";
PreparedStatement stmt = conn.prepareStatement(query);
ResultSet results = null;
// Map<String,String> res;
ArrayList<String> res;
try {
stmt.setString(1, (String) key);
results = stmt.executeQuery();
// res = new HashMap<String,String>();
res = new ArrayList<String>();
while (results.next()) {
// res.put(results.getString("tweetID"), results.getString("date"));
res.add(results.getString("tweetID") + ":" + results.getString("date"));
}
} finally {
try {
stmt.close();
} catch (Exception e) {
}
this.releaseClient(conn);
}
((GetOperation) op).setResult(res);
op.notifyListeners();
} else {
if (tablename.equals("users")) {
String columns = new String();
List<String> cols = ((GetOperation) op).getColumns();
if (cols.isEmpty()) columns = this.userColumns; // /////SE FOR VAZIO TRAZ COLUNAS TODAS
else columns = this.listToString((ArrayList<String>) cols);
Map<String, String> value = new HashMap<String, String>();
String query = "select " + columns + " from " + tablename + " where userID = ?";
conn = this.borrowClient();
PreparedStatement stmt = conn.prepareStatement(query);
ResultSet results = null;
try {
stmt.setString(1, (String) key);
// System.out.println("Query select:"+stmt.toString());
results = stmt.executeQuery();
String[] arrStr = columns.split(",");
int size = arrStr.length;
while (results.next()) {
for (int i = 0; i < size; i++) {
value.put(arrStr[i], results.getString(arrStr[i]));
}
}
} finally {
try {
stmt.close();
} catch (Exception e) {
}
this.releaseClient(conn);
}
((GetOperation) op).setResult((Map<String, String>) value);
op.notifyListeners();
}
}
}