Ejemplo n.º 1
0
  public void loadTables(String tableNames, String procNames)
      throws SQLException, IOException, InterruptedException, ExecutionException {
    String[] tableNameArray =
        tableNames != null && !"".equals(tableNames) ? tableNames.split(",") : null;
    String[] procNameArray =
        procNames != null && !"".equals(procNames) ? procNames.split(",") : null;

    ExecutorService executor = Executors.newFixedThreadPool(tableNameArray.length * 3);
    CompletionService completion = new ExecutorCompletionService(executor);

    for (int j = 0; j < tableNameArray.length && tableNameArray != null; j++) {
      String tableName = tableNameArray[j];
      String procName = procNameArray != null ? procNameArray[j] : "";

      // if procName not provided, use the default VoltDB TABLENAME.insert procedure
      if (procName.length() == 0) {
        if (tableName.contains("..")) {
          procName = tableName.split("\\.\\.")[1].toUpperCase() + ".insert";
        } else {
          procName = tableName.toUpperCase() + ".insert";
        }
      }

      // query the table
      String jdbcSelect = "SELECT * FROM " + tableName + ";";

      // create query to find count
      String countquery = jdbcSelect.replace("*", "COUNT(*)");
      int pages = 1;
      String base = "";
      if (config.srisvoltdb) {
        if (config.isPaginated) {
          try {
            // find count
            if (countquery.contains("<") || countquery.contains(">")) {
              int bracketOpen = countquery.indexOf("<");
              int bracketClose = countquery.indexOf(">");
              String orderCol = countquery.substring(bracketOpen + 1, bracketClose);
              countquery = countquery.replace("<" + orderCol + ">", "");
            }
            VoltTable vcount = client.callProcedure("@AdHoc", countquery).getResults()[0];
            int count = Integer.parseInt(vcount.toString());
            // determine number of pages from total data and page size
            pages = (int) Math.ceil((double) count / config.pageSize);
            System.out.println(pages);
          } catch (Exception e) {
            System.out.println("Count formation failure!");
          }
        }
      } else {
        // find count
        Connection conn =
            DriverManager.getConnection(config.jdbcurl, config.jdbcuser, config.jdbcpassword);
        base = conn.getMetaData().getDatabaseProductName().toLowerCase();
        Statement jdbcStmt =
            conn.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY);
        if (countquery.contains("<") || countquery.contains(">")) {
          int bracketOpen = countquery.indexOf("<");
          int bracketClose = countquery.indexOf(">");
          String orderCol = countquery.substring(bracketOpen + 1, bracketClose);
          countquery = countquery.replace("<" + orderCol + ">", "");
        }
        ResultSet rcount =
            jdbcStmt.executeQuery(
                countquery); // determine number of pages from total data and page size
        if (base.contains("postgres") && config.isPaginated) {
          int count = Integer.parseInt(rcount.toString());
          pages = (int) Math.ceil((double) count / config.pageSize);
        }
      }

      // establish new SourceReaders and DestinationWriters for pages
      SourceReader[] sr = new SourceReader[pages];
      DestinationWriter[] cr = new DestinationWriter[pages];
      for (int i = 0; i < pages; i++) {
        sr[i] = new SourceReader();
        cr[i] = new DestinationWriter();
      }
      Controller processor =
          new Controller<ArrayList<Object[]>>(
              client, sr, cr, jdbcSelect, procName, config, pages, base);
      completion.submit(processor);
    }

    // wait for all tasks to complete.
    for (int i = 0; i < tableNameArray.length; ++i) {
      logger.info(
          "****************"
              + completion.take().get()
              + " completed *****************"); // will block until the next sub task has
      // completed.
    }
    executor.shutdown();
  }
Ejemplo n.º 2
0
  public void load(String queryFile, String modules, String tables)
      throws SQLException, IOException, InterruptedException, ExecutionException {
    Properties properties = new Properties();
    properties.load(new FileInputStream(queryFile));

    Collection<String> keys = properties.stringPropertyNames();

    // Filtering by validating if property starts with any of the module names
    if (!Config.ALL.equalsIgnoreCase(modules)) {
      keys =
          Util.filter(
              keys, "^(" + modules.replaceAll(Config.COMMA_SEPARATOR, Config.MODULE_SUFFIX) + ")");
    }

    // Filtering by table names
    if (!Config.ALL.equalsIgnoreCase(tables)) {
      keys =
          Util.filter(
              keys, "(" + tables.replaceAll(Config.COMMA_SEPARATOR, Config.TABLE_SUFFIX) + ")$");
    }

    logger.info("The final modules and tables that are being considered" + keys.toString());

    ExecutorService executor = Executors.newFixedThreadPool(keys.size() * 3);
    CompletionService completion = new ExecutorCompletionService(executor);

    for (String key : keys) {
      String query = properties.getProperty(key);
      key =
          (key.contains(Config.DOT_SEPARATOR)
              ? key.substring(key.indexOf(Config.DOT_SEPARATOR) + 1)
              : key);

      while (query.contains("[:")) {
        String param = query.substring(query.indexOf("[:") + 2, query.indexOf("]"));

        query = query.replaceFirst("\\[\\:" + param + "\\]", properties.getProperty(param));
      }
      int pages = 1;
      String base = "";
      if (config.srisvoltdb) {
        if (config.isPaginated) {
          try {
            // find count
            String countquery = query;
            if (countquery.contains("<") || countquery.contains(">")) {
              int bracketOpen = countquery.indexOf("<");
              int bracketClose = countquery.indexOf(">");
              String orderCol = countquery.substring(bracketOpen + 1, bracketClose);
              countquery = countquery.replace("<" + orderCol + ">", "");
            }
            VoltTable vcount = client.callProcedure("@AdHoc", countquery).getResults()[0];
            int count = vcount.getRowCount();
            pages = (int) Math.ceil((double) count / config.pageSize);
          } catch (Exception e) {
            System.out.println("Count formation failure!");
          }
        }
        // set up data in order
      } else {
        // find count
        String countquery = query.replace("*", "COUNT(*)");
        Connection conn =
            DriverManager.getConnection(config.jdbcurl, config.jdbcuser, config.jdbcpassword);
        base = conn.getMetaData().getDatabaseProductName().toLowerCase();
        System.out.println("BASE: " + base);
        Statement jdbcStmt =
            conn.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY);
        if (countquery.contains("<") || countquery.contains(">")) {
          int bracketOpen = countquery.indexOf("<");
          int bracketClose = countquery.indexOf(">");
          String orderCol = countquery.substring(bracketOpen + 1, bracketClose);
          countquery = countquery.replace("<" + orderCol + ">", "");
        }
        ResultSet rcount = jdbcStmt.executeQuery(countquery);
        rcount.next();
        int count = Integer.parseInt(rcount.getArray(1).toString());

        // THIS IF NEEDS A WAY TO DETERMINE IF POSTGRES
        if (base.contains("postgres") && config.isPaginated) {
          pages = (int) Math.ceil((double) count / config.pageSize);
        }
        // set up data in order
      }
      // establish new SourceReaders and DestinationWriters for pages
      SourceReader[] sr = new SourceReader[pages];
      DestinationWriter[] cr = new DestinationWriter[pages];
      for (int i = 0; i < pages; i++) {
        sr[i] = new SourceReader();
        cr[i] = new DestinationWriter();
      }
      Controller processor =
          new Controller<ArrayList<Object[]>>(
              client, sr, cr, query, key.toUpperCase() + ".insert", config, pages, base);
      completion.submit(processor);
    }

    // wait for all tasks to complete.
    for (int i = 0; i < keys.size(); ++i) {
      logger.info(
          "****************"
              + completion.take().get()
              + " completed *****************"); // will block until the next sub task has
      // completed.
    }

    executor.shutdown();
  }