public void addEntries(final Collection<Entry> batch) throws IOException { if (batch.size() == 0) { return; } final Entry entry0 = batch.getElementAt(0); final String table_name = this.sql_table_name; final List<String> keys = Collections.newList(); final String stm = "INSERT INTO " + table_name + " " + this.paramString(entry0, keys, "(", ")"); final MySQLConnection connection = this.db.obtainConnection(); connection.checkIsOpen(); try { final Connection mysql_connection = connection.getConnection(); final PreparedStatement statement = mysql_connection.prepareStatement(stm); for (int b = 0; b < batch.size(); b++) { final Entry entry = batch.getElementAt(b); for (int i = 0; i < keys.size(); i++) { final String key = keys.getElementAt(i); // final String value = entry.getValue(key); final String value = entry.getValue(key); statement.setString(i + 1, value); } statement.addBatch(); } statement.executeBatch(); } catch (final SQLException e) { e.printStackTrace(); throw new IOException(e); } finally { this.db.releaseConnection(connection); } }
private Entry readEntry(final ResultSet result, final Collection<String> columns) throws SQLException { final Entry entry = this.newEntry(); final int N = columns.size(); for (int i = 0; i < N; i++) { final String key = columns.getElementAt(i); final String value = result.getString(i + 1); entry.set(this.schema, this.schema.indexOf(key), value); } return entry; }
public static void main(final String[] args) throws IOException, URISyntaxException { DesktopSetup.deploy(); Json.installComponent("com.jfixby.cmns.adopted.gdx.json.RedJson"); final File words_folder = LocalFileSystem.ApplicationHome().child("words"); final ChildrenList words_files = words_folder.listDirectChildren(); final WordsSorter sorter = new WordsSorter(false); for (int i = 0; i < words_files.size(); i++) { final File file = words_files.getElementAt(i); final String file_name = file.getName(); if (file_name.startsWith("#")) { continue; } L.d("reading", file_name); final String data = file.readToString(); L.d("parsing", file_name); final WordCollectorFile content = Json.deserializeFromString(WordCollectorFile.class, data); final List<WordCollector> split = Collections.newList(content.values); L.d(" adding", split.size()); sorter.addOthers(split); } sorter.filter(1); sorter.sort(); // sorter.print(); final Collection<WordCollector> terms_list = sorter.list(); terms_list.print("terms_list", 0, 500); final Random random = new Random(); final int EXTRACTIONS = 100; final int NUMBER_OF_TERMS = 8; for (int i = 0; ; i++) { final List<String> batch = Collections.newList(); for (int k = 0; k < EXTRACTIONS; k++) { final String request = generateRequest(NUMBER_OF_TERMS, terms_list, random); batch.add(request); } batch.print("batch generated"); for (int k = 0; k < batch.size(); k++) { final String request = batch.getElementAt(k); final String request_url = template + request.replaceAll(" ", "+"); L.d(request, request_url); openUrl(request_url); Sys.sleep(10 * 1000); } } }
private String paramString( final Entry entry, final List<String> keys, final String bracketLeft, final String bracketRight) throws IOException { final MySQLTableSchema schema = this.getSchema(); final Collection<String> colums = schema.getColumns(); for (int i = 0; i < colums.size(); i++) { final String key = colums.getElementAt(i); final String value = entry.getValue(key); if (value != null) { keys.add(key); } } final String schemaString = JUtils.wrapSequence(keys, keys.size(), bracketLeft, bracketRight); return schemaString + " VALUES " + JUtils.wrapSequence((i) -> "?", keys.size(), "(", ")"); }
private static String generateRequest( final int n, final Collection<WordCollector> terms_list, final Random random) { String result = ""; final Set<String> stack = Collections.newSet(); for (; stack.size() < n; ) { double d1 = random.nextDouble(); d1 = FloatMath.power(d1, 1.0); int index = (int) (terms_list.size() * d1); index = (int) IntegerMath.limit(0, index, terms_list.size()); final String term = terms_list.getElementAt(index).getWord(); stack.addAll(JUtils.split(term, " ")); } // stack.print(""); for (int k = 0; k < stack.size(); k++) { result = result + " " + stack.getElementAt(k); } return result; }